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9 months ago
  1. DPLL algorithm:
  2. \begin{tabular}{|l|c|c|c|c|c|}
  3. \hline
  4. Step & 1 & 2 & 3 & 4 & 5 \\ \hline \hline
  5. Decision Level & 0 & 0 & 0 & 0 & 0 \\ \hline
  6. Assignment & - & $\lnot a$ & $\lnot a,\lnot b$ & $\lnot a,\lnot b,\lnot c$ & $\lnot a,\lnot b,\lnot c,\lnot d$ \\ \hline
  7. Cl. 1: $\lnot a, b$ & 1 & \cmark & \cmark & \cmark & \cmark \\ \hline
  8. Cl. 2: $\lnot b, c$ & 2 & 2 & \cmark & \cmark & \cmark \\ \hline
  9. Cl. 3: $\lnot c, d$ & 3 & 3 & 3 & \cmark & \cmark \\ \hline
  10. Cl. 4: $\lnot d, e$ & 4 & 4 & 4 & 4 & \cmark \\ \hline
  11. Cl. 5: $\lnot e, \lnot a$ & 5 &\cmark& \cmark & \cmark& \cmark\\ \hline \hline
  12. BCP & - & - & - & - & - \\ \hline
  13. PL & $\lnot a$ & $\lnot b$ & $\lnot c$ & $\lnot d$ & - \\ \hline
  14. Decision & - & - & - & - & SAT \\ \hline
  15. \end{tabular}
  16. Model:
  17. $a$ = F, $b$ = F, $c$ = F, $d$ = F, $e$ = F