Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

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

⇒ logic.propositional.notnot

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

⇒ logic.propositional.falsezeroand

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

⇒ logic.propositional.falsezeroor

q || (~~p /\ T)

⇒ logic.propositional.notnot

q || (p /\ T)