Ask a New Question

Asked by AAAAAAAAAAA

Prove that a function f : A -> B is one to one if and only if any non-empty subset S ⊆ A, f^-1 (f(S)) = S. DO NOT assume a priori that the inverse function f^-1 exists; in this question f^-1 (S) denotes the pre-image of S.
5 years ago

Answers

There are no human answers yet.
There are no AI answers yet. The ability to request AI answers is coming soon!

Submit Your Answer


We prioritize human answers over AI answers.

If you are human, and you can answer this question, please submit your answer.

Related Questions

a) prove that the function x^3 + 9x^2 +33x assumes the value -8 at least once b)using the mean va... prove that the function f(x) = (x^101)+(x^51)+x+1 has neither a local maximum nor a local minimum If A + B + C = 180° prove that Sin2A + sin2B – sin2C = 4cosAcosBsinC If A + B + C = 180°, Prove that Cos²A + Cos²B - Cos²C = 1 – 2sinAsinBcosC Prove 1+cos X/1-cos X = (csc X + cot X)squared prove that 2 2 2 2 (n-1) + n + (n+1) = 3n +2 Prove that the function defined by: f(x)={1 if x is rational, 0 if x is irrational is not inte... Hello! How would I prove that the data is exponential? I tried to find a pattern but was unsuccessfu... prove that sin(2x).sin(x/2)-sin(3x).sin((9x)/2)= sin(5x).sin((5x)/2) Which can be used to prove d t? (1 point) Responses Transitive Property of Parallel Lines Transitive...
Submit Your Answer

Question

Prove that a function f : A -> B is one to one if and only if any non-empty subset S ⊆ A, f^-1 (f(S)) = S. DO NOT assume a priori that the inverse function f^-1 exists; in this question f^-1 (S) denotes the pre-image of S.

Ask a New Question
Archives Contact Us Privacy Policy Terms of Use