Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

Final term is not finished

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

⇒ logic.propositional.truezeroand

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

⇒ logic.propositional.notnot

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