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Author Topic: I need help..please help:(  (Read 1466 times)

h0neylike

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I need help..please help:(
« on: October 19, 2008, 09:50 PM »
Prove or disprove the following assertion: For any set A, and any relations R, S on A,
(R ? S)^(-1)
= R^(?1)
? S^(?1).

[(R-S)to the power of -1 = R to the power of -1 - S to the power of -1] Solve!
 

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