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