Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

Final term is not finished
~((q -> r) || (q -> r)) || q || r || ~(((q -> r) || (q -> r)) /\ ((q -> r) || (q -> r))) || q || r
logic.propositional.idempand
~((q -> r) || (q -> r)) || q || r || ~((q -> r) || (q -> r)) || q || r
logic.propositional.defimpl
~((q -> r) || (q -> r)) || q || r || ~(~q || r || (q -> r)) || q || r
logic.propositional.defimpl
~((q -> r) || (q -> r)) || q || r || ~(~q || r || ~q || r) || q || r
logic.propositional.idempor
~((q -> r) || (q -> r)) || q || r || ~(~q || r) || q || r