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22 lines
577 B
22 lines
577 B
\begin{logicproof}{2}
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p \lor q & \prem \\
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\lnot p \lor r & \prem \\
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\begin{subproof}
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p & \assum \\
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\begin{subproof}
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\lnot p & \assum \\
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\false & $\nege 3,4$ \\
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q \lor r & $\bote 5$
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\end{subproof}
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\begin{subproof}
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r & \assum \\
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q \lor r & $\ori{2} 7$
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\end{subproof}
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q \lor r & $\ore 2,4-6,7-8$
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\end{subproof}
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\begin{subproof}
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q & \assum \\
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q \lor r & $\ori{1} 10$
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\end{subproof}
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q \lor r & $\ore 1,3-9,10-11$
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\end{logicproof}
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