Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

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