Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

(F /\ ~~r /\ 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