Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

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

⇒ logic.propositional.notnot

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

⇒ logic.propositional.demorganand

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

⇒ logic.propositional.idempand

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

⇒ logic.propositional.notnot

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

⇒ logic.propositional.notnot

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

⇒ logic.propositional.defimpl

q || ~p || q || p