Prove that every subset of a countable set is countable (ILIEKMATHPHYSICS)
21:39
Proof of the Cantor-Schröder-Bernstein Theorem (ILIEKMATHPHYSICS)
6:36
The Countable Union of Countable Sets
10:04
The set of real numbers is uncountable (Proof) [ILIEKMATHPHYSICS]
10:02
Countable and Uncountable Sets - Discrete Mathematics
8:32
this technique is BEAUTIFUL.
6:57
Advanced set theory, every subset of countable set is countable
10:04
Prove for positive integers a and b, if a ﹥ b then a - b is a positive integer (ILIEKMATHPHYSICS)
7:07