.. _basics: Dasar-dasar =========== Bab ini dirancang untuk memperkenalkan dasar-dasar praktis penalaran matematis dalam Lean: melakukan perhitungan, menerapkan lema dan teorema, serta bernalar tentang struktur umum. .. include:: C02_Basics/S01_Calculating.inc .. include:: C02_Basics/S02_Proving_Identities_in_Algebraic_Structures.inc .. include:: C02_Basics/S03_Using_Theorems_and_Lemmas.inc .. include:: C02_Basics/S04_More_on_Order_and_Divisibility.inc .. include:: C02_Basics/S05_Proving_Facts_about_Algebraic_Structures.inc