Exercise logic.propositional.dnf
Description
Proposition to DNF
Derivation
![](http://ideas.cs.uu.nl/images/external.png)
q || (~(p || F) -> (F /\ r))
⇒ logic.propositional.falsezeroandq || (~(p || F) -> F)
⇒ logic.propositional.falsezeroorq || (~p -> F)
⇒ logic.propositional.defimplq || ~~p || F
⇒ logic.propositional.falsezeroorq || ~~p
⇒ logic.propositional.notnotq || p