Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

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

⇒ logic.propositional.falsezeroand

F || (~p -> (~~p || q))

⇒ logic.propositional.falsezeroor

~p -> (~~p || q)

⇒ logic.propositional.notnot

~p -> (p || q)

⇒ logic.propositional.defimpl

~~p || p || q

⇒ logic.propositional.notnot

p || p || q

⇒ logic.propositional.idempor

p || q