Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

Final term is not finished

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

⇒ logic.propositional.notnot

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