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0:40:57

One-to-one and onto functions

0:35:41

Functions as relations

0:38:41

A little bit of math notation: Sigma (summation), Pi (product) and indexed families of sets.

0:42:46

Equivalence relations

0:41:33

Guess who, if I can lie | Annamaria Iezzi

0:17:25

Cartesian product of sets