Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

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

⇒ logic.propositional.falsezeroand

F || ((F || ~p) -> q)

⇒ logic.propositional.falsezeroor

(F || ~p) -> q

⇒ logic.propositional.falsezeroor

~p -> q

⇒ logic.propositional.defimpl

~~p || q

⇒ logic.propositional.notnot

p || q