Prove that every subset of a countable set is countable.... | Filo
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let x be an infinite set with the countable closed topology t s subset of xx s is countable then xxt is homeomorphic to xti where ti is the finite closed topology on x xt is not connected xt 26872
let x be an infinite set with the countable closed topology t s sub…
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SOLVED:Show that every infinite set A contains a countably infinite set, i.e., an infinite sequence of distinct terms.
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