Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

Final term is not finished

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

⇒ logic.propositional.demorganand

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

⇒ logic.propositional.notnot

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