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14 lines
349 B
14 lines
349 B
\begin{logicproof}{1}
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p \imp q & \prem \\
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\neg p \vee p & $\LEM$ \\
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\begin{subproof}
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\neg p & \assum \\
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\neg p \lor q & $\ori{1} 3$
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\end{subproof}
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\begin{subproof}
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p & \assum \\
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q & $\imp$e 1,5 \\
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\neg p \lor q & $\ori{2} 6$
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\end{subproof}
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\neg p \lor q & $\ore 2,3-5,5-7$
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\end{logicproof}
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