Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

Final term is not finished
(((q || p) /\ q /\ (q || ~r)) || (~r /\ (q || ~r) /\ (q || p))) /\ ~q
logic.propositional.absorpand
(((q || p) /\ q) || (~r /\ (q || ~r) /\ (q || p))) /\ ~q
logic.propositional.absorpand
(q || (~r /\ (q || ~r) /\ (q || p))) /\ ~q