Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

Final term is not finished

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

⇒ logic.propositional.idempor

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

⇒ logic.propositional.notfalse

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