\hspace{-0.09cm}\scalebox{0.85}{ \begin{dplltabular}{6} \dpllStep{1|2|3|4|5|6} \dpllDecL{0|1|2|2|2|2} \dpllAssi{ - |$\lnot a$|$\lnot a, \lnot b$|$\lnot a, \lnot b, c$|\makecell{$\lnot a, \lnot b, c, $ \\ $e$}|\makecell{$\lnot a, \lnot b, c, $ \\ $e, \lnot d$}} \dpllClause{1}{$a, b, c$}{$a, b, c$|$b, c$|$c$|\done|\done|\done} \dpllClause{2}{$\lnot a, b$}{$\lnot a, b$|\done|\done|\done|\done|\done} \dpllClause{3}{$\lnot b, c$}{$\lnot b, c$|$\lnot b, c$|\done|\done|\done|\done} \dpllClause{4}{$c, d$}{$c, d$|$c, d$|$c, d$|\done|\done|\done} \dpllClause{5}{$\lnot c, e$}{$\lnot c, e$|$\lnot c, e$|$\lnot c, e$|$e$|\done|\done} \dpllClause{6}{$\lnot d, \lnot e$}{$\lnot d, \lnot e$|$\lnot d, \lnot e$|$\lnot d, \lnot e$|$\lnot d, \lnot e$|$\lnot d$|\done} \dpllBCP{ - | - |$c$|$e$|$\lnot d$| - } \dpllPL{ - | - | - | - | - | - } \dpllDeci{$\lnot a$|$\lnot b$| - | - | - |SAT} \end{dplltabular} }