Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

Final term is not finished

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

⇒ logic.propositional.notnot

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

⇒ logic.propositional.notnot

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