Changes

Talk:Logical graph (view source)

3 bytes removed , 22:22, 2 December 2008

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===Solution===

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* [http://mathforum.org/kb/plaintext.jspa?messageID=6514666 Solution posted by Jon Awbrey, working in the medium of logical graphs].

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[http://mathforum.org/kb/plaintext.jspa?messageID=6514666 Solution posted by Jon Awbrey, working in the medium of logical graphs].

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Required to show: ~(p <=> q) is equivalent to (~q) <=> p.

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