Set Theory. Cardinality of Finite and Infinite Sets.

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In this video, we are going to discuss what is the cardinality of finite and infinite sets.

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Please watch: "Real Projective Space, n=1"
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Nice video! Hope to see soon the proof of the empty set's cardinality!

andresxj
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Do you simply mean that cardinal number of infinite sets is infinite.
Then what is aleph - null. Please tell.

namantenguriya
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I think that both of them are in the world of maps. A set T has cardinal k If and only If there is a bijection between T and the set {1, 2, ..., k}.

razvanbirisan