Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

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

⇒ logic.propositional.falsezeroand

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

⇒ logic.propositional.falsezeroor

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

⇒ logic.propositional.notnot

q || (~p -> p)

⇒ logic.propositional.defimpl

q || ~~p || p

⇒ logic.propositional.notnot

q || p || p

⇒ logic.propositional.idempor

q || p