February 22, 2017

Homework Help: math

Posted by poo on Monday, November 30, 2009 at 9:03pm.

7. Classify each of the following as true or false. If false, tell why or give an example showing that it is not true.

(a) For all sets A and B, A – B = B – A

(b) For all sets A,   A

(c) For all sets A, A  A  

(d) The set {r, s, t,. . ., z} is a finite set.

(e) No set can be equivalent to all of its subsets

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