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jaakov
Posts:
11
Registered:
12/3/12


Re: Given a set , is there a disjoint set with an arbitrary cardinality?
Posted:
Dec 4, 2012 6:51 AM


> Given a set X and a cardinal k, is there a set Y such that card(Y)=k and > X is disjoint from Y? > > Is there a proof of this fact that works without the axiom of regularity > (= axiom of foundation) and does not assume purity of sets?
I would like to thank everybody for the great support and am closing the topic.
Jaakov.



