A countable union of countable sets is countable
Автор: Math For Life
Загружено: 2021-06-09
Просмотров: 12878
Описание:
In this video, we are going to discuss the basic result in set theory that a countable union of countable sets is countable.
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00:00 - Intro
00:40 - Countable set definition
02:00 - Proof
05:15 - Second statement
06:30 - Counter example
Maksym Zubkov
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Please watch: "Real Projective Space, n=1"
• Real Projective Space, n=1
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