Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

Final term is not finished

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

⇒ logic.propositional.notnot

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