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Negation and proofs by contradiction

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Helmut

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Feb 27, 2012, 2:34:14 PM2/27/12
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A new blog entry http://softwareverificaton.wordpress.com/2012/02/27/negation-and-proofs-by-contradiction
has beed created with continues the description of Modern Eiffel's
proof engine.

This blog entry focuses on the introduction of negation and it's
axioms into the class BOOLEAN and presents a rich set of proofs.

This entry completes the use of the proof engine for propositional
calculus. The next entries will focus more on real calculations using
inductive data types.
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