Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

Final term is not finished

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

⇒ logic.propositional.notfalse

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