Exercise logic.propositional.dnf
Description
Proposition to DNF
Derivation
![](http://ideas.cs.uu.nl/images/external.png)
(F || (~(~p || q) /\ ~q)) -> p
⇒ logic.propositional.demorganor(F || (~~p /\ ~q /\ ~q)) -> p
⇒ logic.propositional.falsezeroor(~~p /\ ~q /\ ~q) -> p
⇒ logic.propositional.idempand(~~p /\ ~q) -> p
⇒ logic.propositional.notnot(p /\ ~q) -> p