Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

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

⇒ logic.propositional.notfalse

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

⇒ logic.propositional.truezeroand

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

⇒ logic.propositional.notnot

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