Let :XY be a function. Let Z be a subset of Y. Prove that (Y-Z)=X-/-(2). Let...

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Let :XY be a function. Let Z be a subset of Y. Prove that (Y-Z)=X-/-¹(2). Let :XY be a function. Let Z be a subset of Y. Prove that (Y-Z)=X-/-¹(2).

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To prove that f1YZ X f1Z we need to show that an element x is in f1YZ if and on... View the full answer