let A,B,C be three sets.if A belongs to B and B is the subset of C, IS IT true that A is the subset of C???? IF not , give an example .

Asked by  | 8th Apr, 2011, 11:24: PM

Expert Answer:

No, it is not true.
Example: Let A = {1,2}, B = {{1,2},3,4} and C={{1,2},3,4,5}
Then A belongs to B and B is a subset of C,
But A is not subset of C as the elements of A are not in C.

Answered by  | 8th Apr, 2011, 09:05: PM

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