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.idempor

p || q