MyWikiBiz, Author Your Legacy — Sunday May 05, 2024
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, 15:38, 26 October 2008
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| </center> | | </center> |
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− | But this is immediate, since <math>p \Rightarrow (r \Rightarrow p)</math>, for any proposition <math>r.\!</math> | + | But this is immediate, since <math>p \Rightarrow (r \Rightarrow p)</math> for any proposition <math>r.\!</math> |
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| ===Proof 2=== | | ===Proof 2=== |