Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

Final term is not finished

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

⇒ logic.propositional.truezeroand

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

⇒ logic.propositional.demorganand

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

⇒ logic.propositional.notnot

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