Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

Final term is not finished

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

⇒ logic.propositional.notnot

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

⇒ logic.propositional.notfalse

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

⇒ logic.propositional.truezeroand

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