Introduction to the Cardinality of Sets and a Countability Proof

Introduction to Cardinality, Finite Sets, Infinite Sets, Countable Sets, and a Countability Proof

- Definition of Cardinality. Two sets A, B have the same cardinality if there is a bijection between them.
- Definition of finite and infinite sets.
- Definition of a cardinal number.
- Discussion of Aleph-Naught.
- Proof that the cardinality of the natural numbers is the same as the cardinality of the positive odd integers.

Видео Introduction to the Cardinality of Sets and a Countability Proof канала The Math Sorcerer