Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

Final term is not finished

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

⇒ logic.propositional.falsezeroor

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

⇒ logic.propositional.falsezeroor

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

⇒ logic.propositional.defimpl

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

⇒ logic.propositional.demorganor

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

⇒ logic.propositional.notnot

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