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9 months ago
  1. \hspace{-0.09cm}\scalebox{0.85}{
  2. \begin{dplltabular}{6}
  3. \dpllStep{1|2|3|4|5|6}
  4. \dpllDecL{0|0|0|0|0|0}
  5. \dpllAssi{ - |$a$|$a, \lnot c$|$a, \lnot c, b$|\makecell{$a, \lnot c, b, $ \\ $e$}|\makecell{$a, \lnot c, b, $ \\ $e, \lnot f$}}
  6. \dpllClause{1}{$a, b$}{$a, b$|\done|\done|\done|\done|\done}
  7. \dpllClause{2}{$a, c$}{$a, c$|\done|\done|\done|\done|\done}
  8. \dpllClause{3}{$d, e$}{$d, e$|$d, e$|$d, e$|$d, e$|\done|\done}
  9. \dpllClause{4}{$\lnot b, \lnot c$}{$\lnot b, \lnot c$|$\lnot b, \lnot c$|\done|\done|\done|\done}
  10. \dpllClause{5}{$e, \lnot f$}{$e, \lnot f$|$e, \lnot f$|$e, \lnot f$|$e, \lnot f$|\done|\done}
  11. \dpllClause{6}{$\lnot d, \lnot f$}{$\lnot d, \lnot f$|$\lnot d, \lnot f$|$\lnot d, \lnot f$|$\lnot d, \lnot f$|$\lnot d, \lnot f$|\done}
  12. \dpllClause{7}{$d, \lnot f$}{$d, \lnot f$|$d, \lnot f$|$d, \lnot f$|$d, \lnot f$|$d, \lnot f$|\done}
  13. \dpllClause{8}{$b, e$}{$b, e$|$b, e$|$b, e$|\done|\done|\done}
  14. \dpllClause{9}{$a, \lnot f$}{$a, \lnot f$|\done|\done|\done|\done|\done}
  15. \dpllBCP{ - | - | - | - | - | - }
  16. \dpllPL{$a$|$\lnot c$|$b$|$e$|$\lnot f$| - }
  17. \dpllDeci{ - | - | - | - | - |SAT}
  18. \end{dplltabular}
  19. }