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8 lines
175 B
8 lines
175 B
\begin{equation*}
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\begin{split}
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z & = \neg y \\
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& = \neg (w \land x) \\
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& = \neg ((a \lor b) \land x) \\
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& = \neg ((a \lor b) \land \neg c) \\
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\end{split}
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\end{equation*}
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