Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

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