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2.2 Set Operations: Discrete Mathematics and its application

  • Thread starter Az-m-b
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Ex 36, p 147.

Let f be a function from the set A to the Set B. Let S and T be the subset of A. Show that

b) f(S [tex]\cap[/tex] T) [tex]\subseteq[/tex] f(S) [tex]\cap[/tex] f(T).

Thanks.
 

Answers and Replies

  • #2
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Any time you prove subset relations, you have to show that any element of the subset is an element of the parent set. Let x be an element of the subset, show it is in the parent set.
 

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