The defining property of an ordered pair is that two ordered pairs are equal if and only if their first elements are equal and their second elements are equal. Surprisingly, instead of taking the ordered pair as a primitive concept, we can construct ordered pairs using basic notions from set theory. Show that if ... $a = c$ and $b=d.$]

asked
Apr 5, 2019
in Set Theory & Algebra
Pooja Khatri
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