\hspace{-0.09cm}\scalebox{0.85}{ \begin{dplltabular}{6} \dpllStep{1|2|3|4|5|6} \dpllDecL{0|1|1|2|2|2} \dpllAssi{ - |$\lnot a$|$\lnot a, b$|$\lnot a, b, \lnot c$|\makecell{$\lnot a, b, \lnot c, $ \\ $e$}|\makecell{$\lnot a, b, \lnot c, $ \\ $e, d$}} \dpllClause{1}{$\lnot a, \lnot b$}{$\lnot a, \lnot b$|\done|\done|\done|\done|\done} \dpllClause{2}{$a, c, e$}{$a, c, e$|$c, e$|$c, e$|$e$|\done|\done} \dpllClause{3}{$b, \lnot d$}{$b, \lnot d$|$b, \lnot d$|\done|\done|\done|\done} \dpllClause{4}{$\lnot c, d, e$}{$\lnot c, d, e$|$\lnot c, d, e$|$\lnot c, d, e$|\done|\done|\done} \dpllClause{5}{$\lnot d, e$}{$\lnot d, e$|$\lnot d, e$|$\lnot d, e$|$\lnot d, e$|\done|\done} \dpllClause{6}{$\lnot a, b$}{$\lnot a, b$|\done|\done|\done|\done|\done} \dpllClause{7}{$a, d, \lnot e$}{$a, d, \lnot e$|$d, \lnot e$|$d, \lnot e$|$d, \lnot e$|$d$|\done} \dpllBCP{ - | - | - |$e$|$d$| - } \dpllPL{ - |$b$| - | - | - | - } \dpllDeci{$\lnot a$| - |$\lnot c$| - | - |SAT} \end{dplltabular} }