Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

Final term is not finished

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

⇒ logic.propositional.idempand

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

⇒ logic.propositional.notfalse

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