Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

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

⇒ logic.propositional.notnot

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

⇒ logic.propositional.falsezeroand

F || ~~~~p || q

⇒ logic.propositional.falsezeroor

~~~~p || q

⇒ logic.propositional.notnot

~~p || q

⇒ logic.propositional.notnot

p || q