Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

Final term is not finished

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

⇒ logic.propositional.notnot

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

⇒ logic.propositional.demorganand

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

⇒ logic.propositional.notnot

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