Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

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

⇒ logic.propositional.notnot

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

⇒ logic.propositional.notnot

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

⇒ logic.propositional.truezeroand

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