Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

Final term is not finished

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

⇒ logic.propositional.notnot

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

⇒ logic.propositional.idempand

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

⇒ logic.propositional.notnot

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

⇒ logic.propositional.falsezeroand

F || q || ~~p