C90 · Register istilah

299 keputusan istilah dipertahankan: 298 disetujui dan satu provisional. Status provisional bukan persetujuan diam-diam.

himpunan

set

Status: approved · Core term

O003-T001

subhimpunan

subset

Status: approved · Himpunan bagian is an accepted introductory alias attested in Indonesian teaching sources; use proper subset only when the source means strict inclusion

O003-T002

gabungan

union

Status: approved · Set operation

O003-T003

irisan

intersection

Status: approved · Set operation

O003-T004

komplemen

complement

Status: approved · Relative to the stated universal set

O003-T005

hasil kali Kartesius

Cartesian product

Status: approved · Capitalize Kartesius

O003-T006

interval

interval

Status: approved · Standard Indonesian mathematical loanword

O003-T007

interval terbuka

open interval

Status: approved · Do not anticipate topological openness where the source is purely order notation

O003-T008

interval tertutup

closed interval

Status: approved · Do not conflate with closed set before introduced

O003-T009

topologi

topology

Status: approved · Core term

O003-T010

ruang topologi

topological space

Status: approved · Preferred field form in the inspected ITB Universitas Terbuka and UNDIP teaching witnesses; ruang topologis remains intelligible but is not the house term

O003-T011

ruang metrik

metric space

Status: approved · Core term

O003-T012

lingkungan

neighborhood

Status: approved · Established consistently in the substantive Chapter 7 metric-space unit; do not imply the neighborhood itself must be open

O003-T013

tutupan

closure

Status: approved · Topological closure of a set; keep distinct from himpunan tertutup and from ordinary-process penutupan

O003-T014

keterhubungan

connectedness

Status: provisional · Recheck against later chapter context

O003-T015

fungsi

function

Status: approved · Core Chapter 2 term

O003-T016

domain

domain

Status: approved · Use domain consistently; explain daerah asal only if pedagogically useful

O003-T017

kodomain

codomain

Status: approved · Keep distinct from range

O003-T018

daerah hasil

range

Status: approved · Never collapse into codomain

O003-T019

citra

image

Status: approved · For the image of an element or subset under a function; UNDIP Ruang Topologi Fuzzy attests the untranslated variant image but the edition retains the natural Indonesian house term

O003-T020

prapeta

preimage; inverse image

Status: approved · Prefer prapeta for a subset under a function and reserve invers for inverse functions; UNDIP Ruang Topologi Fuzzy attests the untranslated variant preimage

O003-T021

injeksi; injektif

injection; injective

Status: approved · Use the noun/adjective forms according to grammar

O003-T022

surjeksi; surjektif

surjection; surjective

Status: approved · Use the noun/adjective forms according to grammar

O003-T023

bijeksi; bijektif

bijection; bijective

Status: approved · Use the noun/adjective forms according to grammar

O003-T024

komposisi; komposit

composition; composite

Status: approved · Use komposisi fungsi for the operation

O003-T025

fungsi invers

inverse function

Status: approved · Keep distinct from prapeta

O003-T026

pembatasan

restriction

Status: approved · Function restricted to a smaller domain

O003-T027

perluasan

extension

Status: approved · Function extended to a larger domain

O003-T028

fungsi identitas

identity function

Status: approved · Core Chapter 2 term

O003-T029

pasangan terurut

ordered pair

Status: approved · Use for graph-of-function pairs

O003-T030

invertibel

invertible

Status: approved · Property of a function admitting an inverse function

O003-T031

kardinalitas

cardinality

Status: approved · Size of a finite or infinite set

O003-T032

himpunan berhingga

finite set

Status: approved · Chapter 2 cardinality term

O003-T033

himpunan tak berhingga

infinite set

Status: approved · Chapter 2 cardinality term

O003-T034

himpunan indeks

index set

Status: approved · Parameter set for an indexed family

O003-T035

keluarga terindeks

indexed family

Status: approved · Prefer explicit diindeks oleh wording in prose

O003-T036

unsur

element

Status: approved · Default formal term; the UT Module 1 indexed opening attests elemen as an accepted synonym which may remain in natural cardinality and basis collocations while anggota remains appropriate for membership statements

O003-T037

contoh tandingan

counterexample

Status: approved · Avoid contoh penyangkal

O003-T038

metrik Euklides

Euclidean metric

Status: approved · Capitalize Euklides

O003-T039

metrik taksi

taxicab metric

Status: approved · Use consistently for d_T

O003-T040

metrik maksimum

max metric

Status: approved · Use consistently for d_M

O003-T041

metrik diskret

discrete metric

Status: approved · Use consistently for the zero-one metric

O003-T042

definit positif

positive definite

Status: approved · Metric property

O003-T043

simetris

symmetric

Status: approved · Metric property

O003-T044

pertidaksamaan segitiga

triangle inequality

Status: approved · Prefer pertidaksamaan over ketaksamaan in this edition

O003-T045

bola terbuka

open ball

Status: approved · Bola buka is an attested Indonesian alias; retain the edition's adjective form consistently

O003-T046

lingkaran satuan

unit circle

Status: approved · Set of points at distance one from the origin

O003-T047

Pertidaksamaan Cauchy-Schwarz

Cauchy-Schwarz inequality

Status: approved · Capitalize in the named result

O003-T048

cekung

concave

Status: approved · Real-analysis term used in Chapter 3 exercises

O003-T049

graf

graph

Status: approved · Use graph only in protected code or source identifiers

O003-T050

simpul

vertex

Status: approved · Graph-theory term

O003-T051

sisi

edge

Status: approved · Graph-theory term

O003-T052

lintasan terpendek

shortest path

Status: approved · Weighted-graph metric term

O003-T053

metrik Hamming

Hamming metric

Status: approved · Named coding-theory metric

O003-T054

jarak Hamming

Hamming distance

Status: approved · Distance value induced by the Hamming metric

O003-T055

sistem biner

binary system

Status: approved · Digital-coding term

O003-T056

kata

word (coding theory)

Status: approved · An element of X^n in the coding-theory context

O003-T057

kode

code

Status: approved · A designated subset of words

O003-T058

kata kode

code word

Status: approved · An admissible word belonging to a code

O003-T059

pengodean

encoding

Status: approved · Digital-message operation

O003-T060

pendekodean

decoding

Status: approved · Recovery of a message from its encoded or received form

O003-T061

galat

error

Status: approved · Use for transmission and mathematical errors; retain salah only for ordinary misspelling

O003-T062

untai

string

Status: approved · Computer-science and finite-alphabet term; introduce context explicitly

O003-T063

alfabet

alphabet

Status: approved · Fixed set of allowable symbols

O003-T064

penghapusan

deletion

Status: approved · Levenshtein edit operation

O003-T065

penyisipan

insertion

Status: approved · Levenshtein edit operation

O003-T066

substitusi

substitution

Status: approved · Levenshtein edit operation

O003-T067

metrik Levenshtein

Levenshtein metric

Status: approved · Named edit-distance metric

O003-T068

jarak Levenshtein

Levenshtein distance

Status: approved · Minimum number of permitted edits

O003-T069

pemeriksa ejaan

spell checker

Status: approved · Application of edit distance

O003-T070

pengenalan wicara

speech recognition

Status: approved · Application of edit distance

O003-T071

untai DNA

DNA strand

Status: approved · Biological string-model term

O003-T072

batas bawah

lower bound

Status: approved · Order-theoretic term for subsets of the reals

O003-T073

terbatas di bawah

bounded below

Status: approved · Property of a set having a lower bound

O003-T074

batas bawah terbesar

greatest lower bound

Status: approved · Use alongside infimum at first introduction

O003-T075

infimum

infimum

Status: approved · Standard Indonesian mathematical loanword

O003-T076

batas atas

upper bound

Status: approved · Order-theoretic dual of lower bound

O003-T077

terbatas di atas

bounded above

Status: approved · Property of a set having an upper bound

O003-T078

batas atas terkecil

least upper bound

Status: approved · Use alongside supremum at first introduction

O003-T079

supremum

supremum

Status: approved · Standard Indonesian mathematical loanword

O003-T080

aksioma kelengkapan

completeness axiom

Status: approved · Completeness property of the real number system

O003-T081

jarak dari titik ke himpunan

distance from a point to a set

Status: approved · Point-to-set distance defined by an infimum

O003-T082

terbatas

bounded

Status: approved · For a real subset bounded above and below

O003-T083

rapat

dense

Status: approved · Topological density term

O003-T084

sifat Archimedes

Archimedean property

Status: approved · Standard Indonesian name for the real-number property

O003-T085

Prinsip Pengurutan Baik

Well-Ordering Principle

Status: approved · Capitalize as the named principle

O003-T086

metrik supremum

supremum metric

Status: approved · Metric on continuous functions over a compact interval

O003-T087

metrik seragam

uniform metric

Status: approved · Alternative name for the supremum metric

O003-T088

bilangan rasional

rational number

Status: approved · Number-system term

O003-T089

bilangan irasional

irrational number

Status: approved · Number-system term

O003-T090

bilangan asli

natural number

Status: approved · Positive integers in the source convention

O003-T091

bilangan bulat positif

positive integer

Status: approved · Explicitly distinguishes from nonnegative integers

O003-T092

fungsi kontinu

continuous function

Status: approved · Standard Indonesian mathematical term also attested in both inspected UNDIP topology catalog witnesses

O003-T093

kekontinuan

continuity

Status: approved · Property of being continuous; kontinuitas is attested but is not the edition's nominal house term

O003-T094

kontinu di suatu titik

continuous at a point

Status: approved · Use in epsilon-delta definitions

O003-T095

definisi epsilon-delta

epsilon-delta definition

Status: approved · Use ASCII names in prose and preserve Greek symbols in mathematics

O003-T096

Teorema Nilai Antara

Intermediate Value Theorem

Status: approved · Capitalize as the named theorem

O003-T097

himpunan terbuka

open set

Status: approved · Himpunan buka is an attested Indonesian alias; retain the edition's adjective form consistently

O003-T098

jari-jari

radius

Status: approved · Open-ball radius

O003-T099

berpusat di

centered at

Status: approved · Use for balls and metric diagrams

O003-T100

graf berbobot

weighted graph

Status: approved · Finite graph carrying positive edge weights

O003-T101

himpunan indeks

indexing set

Status: approved · Index family terminology

O003-T102

pemetaan terbuka

open map

Status: approved · Map that sends every open set to an open set

O003-T103

interior; interior suatu himpunan

interior; interior of a set

Status: approved · Set of all interior points; keep distinct from closure

O003-T104

titik interior

interior point

Status: approved · A point for which the containing set is a neighborhood

O003-T105

fungsi afin; pemetaan afin

affine function; affine map

Status: approved · Use for x maps to ax plus b when b is arbitrary; reserve fungsi linear for b equal to zero over the reals

O003-T106

basis

basis for open sets

Status: approved · Family of open balls or other generators whose unions give the open sets

O003-T107

gabungan sebarang

arbitrary union

Status: approved · Topology closure property with no finiteness restriction on the indexed family

O003-T108

irisan sebarang

arbitrary intersection

Status: approved · Need not preserve openness

O003-T109

irisan berhingga

finite intersection

Status: approved · Preserves openness

O003-T110

pernyataan bikondisional

biconditional statement

Status: approved · Statement whose forward and reverse implications must both be proved

O003-T111

inklusi sebaliknya

reverse containment; reverse inclusion

Status: approved · Proof terminology for the opposite set inclusion

O003-T112

barisan

sequence

Status: approved · Use for functions from the positive integers into a space

O003-T113

suku barisan

term of a sequence

Status: approved · Individual value indexed by n

O003-T114

konvergen ke

converges to

Status: approved · Relational wording for a sequence and its limit

O003-T115

divergen

divergent

Status: approved · Use when a sequence has no limit in the stated metric space

O003-T116

konvergensi titik demi titik

pointwise convergence

Status: approved · Function-sequence convergence evaluated separately at each input; konvergen per titik is an attested relational alias

O003-T117

pada akhirnya konstan

eventually constant

Status: approved · All terms equal one fixed value beyond some index

O003-T118

ruang ambien

ambient space

Status: approved · Larger space used to distinguish ambient convergence from convergence inside a subspace

O003-T119

barisan terbatas

bounded sequence

Status: approved · A sequence whose range is a bounded subset

O003-T120

limit barisan

limit of a sequence

Status: approved · Use consistently rather than batas barisan

O003-T121

konvergensi

convergence

Status: approved · Kekonvergenan is an attested Indonesian alias; retain konvergensi as the edition's concise nominal house term

O003-T122

himpunan tertutup

closed set

Status: approved · Keep distinct from tutupan of a set

O003-T123

kekompakan

compactness

Status: approved · Property corresponding to a compact space

O003-T124

ruang kompak

compact space

Status: approved · Attested in the Universitas Terbuka topology overview

O003-T125

topologi hasil kali

product topology

Status: approved · Attested in the inspected ITB teaching witness

O003-T126

topologi seragam

uniform topology

Status: approved · Use when the topology is induced by a uniform metric or uniform structure

O003-T127

subbasis

subbasis

Status: approved · Standard Indonesian mathematical loanword

O003-T128

titik batas

boundary point

Status: approved · Attested in official Indonesian university mathematics curricula; keep distinct from limit barisan

O003-T129

titik limit (sinonim: titik akumulasi)

limit point; accumulation point

Status: approved · The GVSU metric-space chapter explicitly uses the two source terms synonymously; titik limit is the attested canonical form and titik akumulasi is retained only where the source itself presents the synonym pair

O003-T130

titik terasing

isolated point

Status: approved · Attested alongside titik limit and titik batas in the official UGM mathematics curriculum

O003-T131

batas suatu himpunan

boundary of a set

Status: approved · The set of all boundary points; keep distinct from limit barisan and topological tutupan

O003-T132

subruang; subruang metrik

subspace; metric subspace

Status: approved · Use subruang dari ruang metrik when the ambient space must be explicit

O003-T133

ruang metrik hasil kali

product metric space

Status: approved · Align with hasil kali Kartesius and topologi hasil kali; avoid the unnecessary loanword produk

O003-T134

metrik hasil kali

product metric

Status: approved · Keep distinct from topologi hasil kali

O003-T135

ruang koordinat

coordinate space

Status: approved · A factor in a finite metric product

O003-T136

ruang faktor

factor space

Status: approved · Use only in the product context here; do not use it for a quotient space

O003-T137

ruang Hilbert

Hilbert space

Status: approved · Standard named-space form

O003-T138

norma

norm

Status: approved · The square-sum norm on the displayed sequence space

O003-T139

barisan tak menurun

non-decreasing sequence

Status: approved · Equality is allowed; do not strengthen to a strictly increasing sequence

O003-T140

pembenaman; tertanam

embedding; embedded

Status: approved · In prose use ditanamkan sebagai subruang

O003-T141

basis untuk topologi

basis for a topology

Status: approved · Use basis as the established Indonesian mathematical term; specify untuk topologi at first definition

O003-T142

himpunan terbuka

open set

Status: approved · Core topology term; do not shorten to terbuka when the noun is needed

O003-T143

topologi indiskret

indiscrete topology

Status: approved · Preferred Indonesian rendering alongside topologi diskret

O003-T144

topologi komplemen berhingga; topologi kofinit

finite complement topology; cofinite topology

Status: approved · Use topologi komplemen berhingga in exposition and retain kofinit as the standard synonym

O003-T145

termetriskan

metrizable

Status: approved · Use for a topological space realizable by a metric

O003-T146

ruang Golomb

Golomb space

Status: approved · Named space; retain Golomb unchanged

O003-T147

topologi lebih kasar; topologi lebih lemah

coarser topology; weaker topology

Status: approved · Order terminology for inclusion of topologies

O003-T148

topologi lebih halus; topologi lebih kuat

finer topology; stronger topology

Status: approved · Order terminology dual to coarser/weaker

O003-T149

topologi garis digital

digital line topology

Status: approved · Use garis digital for the associated one-dimensional pixel model

O003-T150

topologi titik tertentu

particular point topology

Status: approved · Standard descriptive Indonesian rendering

O003-T151

topologi titik yang dikecualikan

excluded point topology

Status: approved · Keep distinct from particular point topology

O003-T152

topologi Zariski

Zariski topology

Status: approved · Named topology; retain Zariski unchanged

O003-T153

himpunan tertutup dalam ruang topologi

closed set in a topological space

Status: approved · Extends the established metric-space term without implying metrizability

O003-T154

ruang Hausdorff

Hausdorff space

Status: approved · Standard proper-name form; retain Hausdorff unchanged

O003-T155

aksioma separasi

separation axiom

Status: approved · Official Indonesian topology teaching and journal sources use aksioma separasi; use with unchanged symbols T_1 through T_4

O003-T156

topologi trivial

trivial topology

Status: approved · Retain as the explicit synonym paired with topologi indiskret

O003-T157

himpunan beranggota tunggal

singleton set

Status: approved · Use the natural descriptive Indonesian form in reader prose

O003-T158

himpunan buka-tutup

clopen set

Status: approved · Introduce the transparent Indonesian form and retain clopen once as the source's closed-open portmanteau

O003-T159

himpunan turunan

derived set

Status: approved · Use for the set A' of all limit points of A; keep distinct from closure

O003-T160

ruang reguler

regular space

Status: approved · Official UGM topology curriculum uses ruang reguler; record regular as an encountered spelling variant only

O003-T161

ruang normal

normal space

Status: approved · Official Indonesian topology teaching and journal sources use ruang normal

O003-T162

ruang Fréchet

Fréchet space

Status: approved · Retain the proper name and diacritic in reader prose and index terms

O003-T163

topologi K

K-topology

Status: approved · Use Indonesian head-first order and retain the mathematical symbol K

O003-T164

bidang Niemytzki

Niemytzki plane

Status: approved · Retain the proper name and translate the geometric noun

O003-T165

topologi Titik Asal Ganda

Double Origin topology

Status: approved · Use a transparent Indonesian name while preserving the two distinguished origins in the definition

O003-T166

homeomorfisme

homeomorphism

Status: approved · Standard Indonesian mathematical loanword for a bicontinuous bijection; UNDIP Ruang Topologi Fuzzy attests homeomorphisma as a variant but does not justify corpus-wide replacement

O003-T167

homeomorfik

homeomorphic

Status: approved · Adjectival form paired consistently with homeomorfisme

O003-T168

ekuivalensi metrik

metric equivalence

Status: approved · Use for equivalence induced by an isometry and keep distinct from topological equivalence

O003-T169

ekuivalensi topologis

topological equivalence

Status: approved · Use for equivalence induced by a homeomorphism

O003-T170

invarian topologis

topological invariant

Status: approved · Property preserved under homeomorphism

O003-T171

pemetaan terbuka

open map; open function

Status: approved · Use pemetaan as the natural mathematical noun while retaining the source's function concept

O003-T172

pemetaan tertutup

closed map; closed function

Status: approved · Parallel term to pemetaan terbuka

O003-T173

ekuivalen secara metrik

metrically equivalent

Status: approved · Adjectival form paired with ekuivalensi metrik

O003-T174

isometri

isometry

Status: approved · Standard Indonesian mathematical loanword for the book's bijective distance-preserving map convention

O003-T175

ekuivalen secara topologis

topologically equivalent

Status: approved · Adjectival form paired with ekuivalensi topologis

O003-T176

pemetaan identitas

identity mapping

Status: approved · Standard term for the map sending every point to itself

O003-T177

himpunan dasar

underlying set

Status: approved · Use for the common carrier set beneath one or more structures

O003-T178

deformasi

deformation

Status: approved · Use only in the informal topological sense and do not imply differentiable smoothness

O003-T179

relasi

relation

Status: approved · Standard Indonesian term for a subset of a Cartesian square

O003-T180

berelasi dengan

related to

Status: approved · Use for the notation a ~ b and distinguish it from equality

O003-T181

refleksif

reflexive

Status: approved · Standard property of a relation

O003-T182

simetris

symmetric

Status: approved · Standard property of a relation

O003-T183

transitif

transitive

Status: approved · Standard property of a relation

O003-T184

relasi ekuivalensi

equivalence relation

Status: approved · Stable term for reflexive symmetric transitive relation

O003-T185

kelas ekuivalensi

equivalence class

Status: approved · Use for the blocks in the partition induced by an equivalence relation

O003-T186

gabungan saling lepas

disjoint union

Status: approved · Use for a union of pairwise disjoint subsets

O003-T187

relasi kesamaan

equals relation

Status: approved · Use for the equality relation on the integers example

O003-T188

kelas homeomorfisme

homeomorphism class

Status: approved · Use for equivalence classes under homeomorphism

O003-T189

invarian topologis

topological invariant

Status: approved · Stable noun for a property preserved by homeomorphism

O003-T190

sifat topologis

topological property

Status: approved · Parallel reader term for an invariant property

O003-T191

topologi indiskret

indiscrete topology

Status: approved · Standard Indonesian topology term

O003-T192

topologi diskret

discrete topology

Status: approved · Standard Indonesian topology term

O003-T193

topologi komplemen berhingga

finite complement topology

Status: approved · Normalized to the earlier controlling O003-T145 term; topologi kofinit remains an accepted synonym

O003-T194

subruang

subspace

Status: approved · Standard Indonesian topology term; preserve the source convention that a subspace is nonempty

O003-T195

topologi subruang

subspace topology

Status: approved · Topology inherited by a subset from the ambient topological space

O003-T196

terbuka relatif

relatively open

Status: approved · On first use state the ambient subset explicitly as terbuka relatif terhadap A

O003-T197

tertutup relatif

relatively closed

Status: approved · On first use state the ambient subset explicitly as tertutup relatif terhadap A

O003-T198

topologi relatif

relative topology

Status: approved · Synonym for topologi subruang when the source uses relative topology; directly attested in the UNDIP Ruang Topologi Fuzzy synopsis

O003-T199

topologi terinduksi

induced topology

Status: approved · Use when the source emphasizes that the ambient topology induces the subspace topology

O003-T200

basis untuk subruang

basis for a subspace

Status: approved · Preserve basis macro and intersection formulas

O003-T201

pembatasan metrik atau fungsi

restriction of a metric or function

Status: approved · Use pembatasan for a map or metric restricted to a subset

O003-T202

subhimpunan tak kosong

nonempty subset

Status: approved · Stable formulation for the upstream chapter's explicit nonempty-subspace convention

O003-T203

ruang kuosien

quotient space

Status: approved · Standard topology term; do not conflate with ruang faktor in the product-space context

O003-T204

kuosien atau hasil bagi

quotient

Status: approved · Use hasil bagi for elementary arithmetic and kuosien for the topological construction

O003-T205

kongruensi modulo n

congruence modulo n

Status: approved · Standard number-theoretic formulation; modulo corrects the upstream typo module

O003-T206

mengidentifikasi titik

identify points

Status: approved · Use for declaring points equivalent in a quotient construction

O003-T207

merekatkan titik atau sisi

glue points or edges

Status: approved · Geometric reader term for quotient identification

O003-T208

topologi kuosien

quotient topology

Status: approved · Topology placed on the quotient codomain by the inverse-image criterion

O003-T209

penciutan atau menciutkan

collapse or collapsing

Status: approved · Use the noun or verb according to grammar when quotient identification contracts a subspace

O003-T210

pemetaan kuosien

quotient map

Status: approved · Surjective map characterized by openness of inverse images; use pemetaan consistently with open and closed maps

O003-T211

ruang identifikasi

identification space

Status: approved · Synonym emphasizing the equivalence-class construction of a quotient space

O003-T212

fungsi lantai

floor function

Status: approved · Standard term for the greatest-integer function represented by floor brackets

O003-T213

pita Möbius

Möbius strip

Status: approved · Standard Indonesian name; retain the proper name with diaeresis

O003-T214

torus

torus

Status: approved · Standard topology term for the pairwise same-direction quotient of opposite square edges

O003-T215

botol Klein

Klein bottle

Status: approved · Standard Indonesian name for the nonorientable quotient surface

O003-T216

persegi satuan

unit square

Status: approved · The Cartesian product of the closed unit interval with itself

O003-T217

proyeksi kuosien kanonis

canonical quotient projection

Status: approved · Use for the distinguished map sending each point to its equivalence class

O003-T218

terdefinisi dengan baik

well-defined

Status: approved · Use when a formula on equivalence classes is independent of the representative

O003-T219

menghormati relasi ekuivalensi

respects an equivalence relation

Status: approved · A function has equal values on equivalent points and therefore descends to the quotient

O003-T220

busur terbuka

open arc

Status: approved · Use for a basic open connected proper subset of the circle

O003-T221

himpunan terbuka basis

basic open set

Status: approved · Reader term for a member of a chosen basis

O003-T222

permukaan bola

sphere

Status: approved · Use for the topological sphere and distinguish it from a metric open or closed ball

O003-T223

cakram satuan

unit disk

Status: approved · Qualify as cakram satuan tertutup or terbuka when the defining inequality requires it; do not use lingkaran

O003-T224

titik-titik berseberangan secara diametral; titik-titik antipodal

diametrically opposite points; antipodal points

Status: approved · Introduce both once and thereafter prefer titik antipodal

O003-T225

bidang proyektif real

real projective plane

Status: approved · Align real with the edition's bilangan real usage

O003-T226

titik di tak hingga

point at infinity

Status: approved · Preferred natural phrase for an adjoined ideal point

O003-T227

hemisfer

hemisphere

Status: approved · At first use optionally gloss as belahan permukaan bola to avoid confusion with a solid half-ball

O003-T228

ekuator

equator

Status: approved · Boundary circle shared by the two hemispheres

O003-T229

tak dapat diorientasikan

nonorientable

Status: approved · Semantically stronger and safer than tak terorientasi because the latter can merely mean no orientation was chosen

O003-T230

jumlah terhubung

connected sum

Status: approved · Use for the surface operation; do not translate as ordinary union

O003-T231

permukaan tertutup

closed surface

Status: approved · Closed means compact without boundary in the classification context

O003-T232

klasifikasi permukaan tertutup

classification of closed surfaces

Status: approved · Use Teorema Klasifikasi Permukaan Tertutup when naming the theorem

O003-T233

retrak

retract

Status: approved · A subspace A that is the image fixed pointwise by a retraction

O003-T234

retraksi

retraction

Status: approved · The map r:X to A satisfying its restriction to A equals the identity

O003-T235

retrak deformasi

deformation retract

Status: approved · Use A adalah retrak deformasi dari X

O003-T236

retraksi deformasi

deformation retraction

Status: approved · Use for the deformation or homotopy realizing a deformation retract

O003-T237

merekatkan sepanjang batas

attach or adjoin along the boundary

Status: approved · In a sentence use direkatkan sepanjang batasnya; for adjoin use menambahkan dengan merekatkannya sepanjang batas

O003-T238

ruang dua titik

two-point space

Status: approved · Transparent finite-space term

O003-T239

topologi terbesar

largest topology

Status: approved · Means largest under inclusion; topologi paling halus is an equivalent explanatory gloss

O003-T240

selimut

cover

Status: approved · Use for a family of sets whose union contains the target set; distinct from topological closure or tutupan

O003-T241

selimut buka

open cover

Status: approved · Attested in the Universitas Terbuka Pengantar Topologi course overview

O003-T242

subselimut

subcover

Status: approved · A subfamily that remains a cover; formed transparently from the attested selimut term

O003-T243

subselimut berhingga

finite subcover

Status: approved · A finite subfamily that remains a cover

O003-T244

subhimpunan kompak

compact subset

Status: approved · Use for a subset compact in the ambient or subspace context as specified

O003-T245

subhimpunan terbatas

bounded subset

Status: approved · Use in Euclidean and metric-space boundedness statements

O003-T246

kubus standar berdimensi n

standard n-dimensional cube

Status: approved · Keep n as protected mathematics when it is displayed

O003-T247

Teorema Heine-Borel

Heine-Borel theorem

Status: approved · Retain the conventional theorem name

O003-T248

sifat irisan berhingga

finite intersection property

Status: approved · Standard compactness-equivalent property for families of closed sets

O003-T249

kompak lokal

locally compact

Status: approved · Use as a predicate for a topological space

O003-T250

jarak Hausdorff

Hausdorff distance

Status: approved · Use for the symmetric distance between nonempty compact subsets

O003-T251

metrik Hausdorff

Hausdorff metric

Status: approved · Use when the Hausdorff distance is treated as a metric

O003-T252

sistem fungsi teriterasi

iterated function system

Status: approved · Use for the contraction-based fractal construction

O003-T253

atraktor

attractor

Status: approved · Use for the limiting invariant compact set of an iterated function system

O003-T254

pemetaan kontraksi

contraction mapping

Status: approved · Use for a map with contraction factor below one

O003-T255

faktor kontraksi

contraction factor

Status: approved · Express the scale ratio directly such as one half

O003-T256

barisan Cauchy

Cauchy sequence

Status: approved · Retain the mathematician name and Indonesian sequence term

O003-T257

ruang metrik lengkap

complete metric space

Status: approved · A metric space in which every Cauchy sequence converges

O003-T258

fraktal

fractal

Status: approved · Established Indonesian mathematical spelling

O003-T259

segitiga Sierpinski

Sierpinski triangle

Status: approved · Retain the conventional proper name without diacritic normalization

O003-T260

topologi kotak

box topology

Status: approved · Use for the topology generated by products of open factor sets in the finite-product setting

O003-T400

peta proyeksi

projection map

Status: approved · Use for the canonical map from a product to one factor

O003-T401

bidang digital

digital plane

Status: approved · Use for the integer lattice viewed with a digital topology

O003-T402

tetangga-4

4-neighbor

Status: approved · Use the numeral after the noun consistently in prose

O003-T403

tetangga-8

8-neighbor

Status: approved · Use the numeral after the noun consistently in prose

O003-T404

lintasan-k

k-path

Status: approved · Use the parameter after the path noun and retain k as mathematics when marked up

O003-T405

terhubung-k

k-connected

Status: approved · Use the parameter after the connectedness adjective and retain k as mathematics when marked up

O003-T406

kurva Jordan digital

digital Jordan curve

Status: approved · Retain the proper name Jordan and place digital after the noun phrase

O003-T407

topologi Khalimsky

Khalimsky topology

Status: approved · Retain the proper name Khalimsky

O003-T408

interval digital

digital interval

Status: approved · Use for an integer interval equipped with the digital-line topology

O003-T409

lintasan digital

digital path

Status: approved · Use for the range of a continuous function from a digital interval

O003-T410

busur digital

digital arc

Status: approved · Use for the range of a homeomorphism from a digital interval

O003-T411

titik murni

pure point

Status: approved · Use for a lattice point whose coordinates have the same parity

O003-T412

titik campuran

mixed point

Status: approved · Use for a lattice point whose coordinates have different parity

O003-T413

aksioma keterhitungan pertama

first-countability axiom

Status: approved · Primary Indonesian topology-journal usage; distinguish the axiom noun phrase from the predicate for a space

O003-T500

ruang terhitung pertama

first-countable space

Status: approved · Primary Indonesian topology-journal usage; use terhitung rather than the earlier unsubstantiated berketerhitungan form

O003-T501

aksioma keterhitungan kedua

second-countability axiom

Status: approved · Parallel transparent form for the axiom that the topology has a countable basis

O003-T502

ruang terhitung kedua

second-countable space

Status: approved · Predicate form parallel to attested ruang terhitung pertama

O003-T503

jaring

net

Status: approved · Use the Indonesian mathematical noun throughout reader-visible prose; retain locale-neutral IDs and source locators

O003-T504

subjaring

subnet

Status: approved · Derived consistently from jaring and used for Kelley subnets

O003-T505

himpunan terarah

directed set

Status: approved · Index set for a net with the direction relation made explicit

O003-T506

titik gugus

cluster point

Status: approved · Use for a point at which a net is frequently eventually-near; distinguish from limit point when context matters

O003-T507

praurutan spesialisasi

specialization preorder

Status: approved · Use for x less than or equal to y when every open neighborhood of x contains y

O003-T508

kuosien Kolmogorov

Kolmogorov quotient

Status: approved · Retain the proper name and established kuosien spelling

O003-T509

reguler lengkap

completely regular

Status: approved · Use with the explicit point-versus-closed-set function-separation definition

O003-T510

topologi kompak-terbuka

compact-open topology

Status: approved · Use for the topology on C(X

O003-T511

kompaktifikasi satu titik

one-point compactification

Status: approved · Use for the Alexandroff compactification of a noncompact locally compact Hausdorff space

O003-T512

pseudometrik

pseudometric

Status: approved · Use when distinct points may have distance zero

O003-T513

metrisasi

metrization

Status: approved · Use for construction or existence of a metric inducing the given topology

O003-T514

ekukontinu

equicontinuous

Status: approved · Use for a function family sharing the required local continuity control

O003-T515

kekonvergenan titik demi titik

pointwise convergence

Status: approved · Use for convergence in the product topology on a function space

O003-T516

topologi seragam

uniform topology

Status: approved · Use only when the codomain carries a metric or uniform structure

O003-T517

ruang fungsi

function space

Status: approved · Use for a set of functions equipped with a specified topology

O003-T518

ruang Lindelöf

Lindelof space

Status: approved · Retain the proper-name diacritic and state the countable-subcover property

O003-T519

ruang separabel

separable space

Status: approved · Use for a space with a countable dense subset

O003-T520

dwikontinu

bicontinuous

Status: approved · Official UNDIP Buku Ajar Topologi synopsis attests dwikontinu; use only when both a map and its inverse are continuous

O003-T521

korespondensi satu-satu

one-to-one correspondence

Status: approved · Attested in the indexed opening learning outcome for official UT Pengantar Topologi Module 1 and already used naturally in the edition

O003-T522

urutan parsial

partial order

Status: approved · Use for a reflexive antisymmetric transitive order relation

O003-T523

himpunan terurut parsial

partially ordered set

Status: approved · Attested in the indexed opening learning outcome for official UT Pengantar Topologi Module 1

O003-T524