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sav08:definition_of_propositional_resolution [2008/03/12 17:08] vkuncak |
sav08:definition_of_propositional_resolution [2008/03/12 17:09] vkuncak |
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| Here $C,D$ are clauses and $p \in V$ is a propositional variable. | Here $C,D$ are clauses and $p \in V$ is a propositional variable. | ||
| - | Intuition: consider the form | + | Intuition: consider equivalent formulas |
| \[ | \[ | ||
| - | \frac{\lnot C \rightarrow \{\lnot p\}\ \ \ (\lnot p \rightarrow D)} | + | \frac{((\lnot C) \rightarrow (\lnot p))\ \ \ ((\lnot p) \rightarrow D)} |
| - | {\lnot C \rightarrow D} | + | {(\lnot C) \rightarrow D} |
| \] | \] | ||