Sujet: set theory liste de sujets
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5 articles trouvés pour ce sujet.

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	A question about the empty set		2018-06-17
		Andrey pose la question : Hello there! I got that an empty set is a subset of every set. There is a question. Is an empty set an element of every set? ∅ ⊆ {x}True ∅ ∈{x}? Sorry if the question is easy. A set theory is a bit confusing. Penny Nom lui répond.
	A union and interception problem		2013-10-19
		Zakir pose la question : Sir, I have some problem in union there is a Question in a book find B set if A={2,4,6,8} , AUB={2,4,5,6,7,8} and A intersection B={6,8} plz tell me how can I find the B set Penny Nom lui répond.
	Prove A intersect B =X iff A = X and B = X		2010-03-06
		Gloria pose la question : how would you prove A intersect B =X iff A = X and B = X Tyler Wood lui répond.
	More on infinity and Set Theory		2009-02-17
		Justin pose la question : I greatly appreciate your help I was just wondering from your previous answer, why doesn't Cantor's cardinal numbers in set theory apply to the limit x->0, y=infinity? Justin Robert Dawson lui répond.
	Infinity and Set Theory		2009-02-17
		Justin pose la question : I was just wondering is the limit x->0, y=1/x=infinity, the biggest uncountable infinity according to Cantor's cardinal numbers in set theory? Justin Robert Dawson lui répond.

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