Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

Final term is not finished

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

⇒ logic.propositional.notnot

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

⇒ logic.propositional.falsezeroand

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