Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

Final term is not finished

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

⇒ logic.propositional.demorganor

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

⇒ logic.propositional.notnot

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