Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

Final term is not finished

(T /\ ~q /\ ~((p -> ~~q) /\ T)) -> p

⇒ logic.propositional.truezeroand

(T /\ ~q /\ ~(p -> ~~q)) -> p

⇒ logic.propositional.notnot

(T /\ ~q /\ ~(p -> q)) -> p

⇒ logic.propositional.defimpl

(T /\ ~q /\ ~(~p || q)) -> p