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Inverse Mapping
Questions (1)
Let f:A->B, where A and B are nonempty, and let T1 and T2 be subsets of B.
a.Prove that f^-1(T1 U T2)= f^-1(T1) U f^-1(T2).
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asked by
dreww1961
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Parent Categories (1)
Algebra
