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Topic: Logic Proof/Equivalence Rule?
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Serafim Perlepes

Posts: 4
Registered: 12/12/04
Logic Proof/Equivalence Rule?
Posted: Dec 6, 1996 11:59 PM
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I heard somebody reffering to the following as the Equivalence Rule,
but i'm not sure.

So, I was wondering if someone can prove:

ForAll x ForAll y (A(x, y) => B(x)) <=>
ForAll x (ThereExists y A(x, y) => B(x))


-- Serafim

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