Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

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

⇒ logic.propositional.falsezeroand

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

⇒ logic.propositional.falsezeroor

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

⇒ logic.propositional.notnot

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

⇒ logic.propositional.defimpl

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

⇒ logic.propositional.notnot

p || q || p || q

⇒ logic.propositional.idempor

p || q