Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

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

⇒ logic.propositional.falsezeroand

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

⇒ logic.propositional.defimpl

~~p || ~~p || F || q

⇒ logic.propositional.falsezeroor

~~p || ~~p || q

⇒ logic.propositional.idempor

~~p || q

⇒ logic.propositional.notnot

p || q