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\hspace{-0.09cm}\scalebox{0.85}{ \begin{dplltabular}{6} \dpllStep{1|2|3|4|5|6} \dpllDecL{0|1|1|1|1|1} \dpllAssi{ - |$\lnot u$|$\lnot u, \lnot z$|$\lnot u, \lnot z, w$|\makecell{$\lnot u, \lnot z, w, $ \\ $x$}|\makecell{$\lnot u, \lnot z, w, $ \\ $x, y$}} \dpllClause{1}{$\lnot x, y$}{$\lnot x, y$|$\lnot x, y$|$\lnot x, y$|$\lnot x, y$|$y$|\done} \dpllClause{2}{$\lnot y, \lnot z$}{$\lnot y, \lnot z$|$\lnot y, \lnot z$|\done|\done|\done|\done} \dpllClause{3}{$x, \lnot w$}{$x, \lnot w$|$x, \lnot w$|$x, \lnot w$|$x$|\done|\done} \dpllClause{4}{$w, z$}{$w, z$|$w, z$|$w$|\done|\done|\done} \dpllClause{5}{$\lnot z, u$}{$\lnot z, u$|$\lnot z$|\done|\done|\done|\done} \dpllClause{6}{$\lnot u, \lnot x$}{$\lnot u, \lnot x$|\done|\done|\done|\done|\done} \dpllBCP{ - |$\lnot z$|$w$|$x$|$y$| - } \dpllPL{ - | - | - | - | - | - } \dpllDeci{$\lnot u$| - | - | - | - |SAT} \end{dplltabular}}
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