Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

Final term is not finished

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

⇒ logic.propositional.notnot

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

⇒ logic.propositional.falsezeroand

F || F || q || ~(~p || F)