Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

F || q || ((p || F) /\ (~~p || r)) || q || ~~p

⇒ logic.propositional.falsezeroor

F || q || (p /\ (~~p || r)) || q || ~~p

⇒ logic.propositional.notnot

F || q || (p /\ (p || r)) || q || ~~p

⇒ logic.propositional.absorpand

F || q || p || q || ~~p

⇒ logic.propositional.notnot

F || q || p || q || p

⇒ logic.propositional.idempor

F || q || p