Program matematika / Mathematics program:
Program (Bahasa Indonesia)
Program (English)
Sumber asli / Authoritative original
Jawaban
T.39.1
.
Kotak
\(U_1\times U_2\subseteq A_1\times A_2\)
memaksa
\(U_i\subseteq A_i\text{.}\)
Bahkan berlaku kesamaan.
in-context