Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

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