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Topic: some questions about the abstract algerbra(boolean algerbra and lattice)
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i863398

Posts: 1
From: usa
Registered: 4/13/07
some questions about the abstract algerbra(boolean algerbra and lattice)
Posted: Apr 13, 2007 9:11 PM
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1 Consider an arbitrary lattice (A,?) . Prove or disprove:
1. a ?c => a?(b?c) = (a?b)?c
2. a?(b?c)?(a?b)?(a?c)

2 Let (B,?) be a Boolean lattice. Prove that a,b?B and a function f : B->B exist such that

(?x,y:x,y?B:x?y=(x?f.y = b))

How to do these two exercise .

I really appricate your help



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