Non provable formulas

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(First list of non provable formulas.)

Revision as of 19:49, 19 April 2012

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A \with (B\plus C) \not\limp (A\with B)\plus (A\with C)

(A\plus B)\with (A\plus C) \not\limp A\plus (B\with C)

(A\tens B)\parr C \not\limp A\tens (B\parr C)

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