Changes

1 byte added , 17:11, August 25, 2016

→‎Proof by Contraposition of a Conditional Sentence P=>Q: Spelling/Grammar Check, typos fixed: Therefore → Therefore,

Line 4: Line 4:

#Assume ~Q.

#...

−

#Therefore ~P.

+

#Therefore, ~P.

#Thus, ~Q=>~P

#Therefore, P=>Q

[[Category:Mathematics]]

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Proof by contraposition (view source)