Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

Final term is not finished
~~((p || q) /\ ~q) /\ T /\ T /\ ~~T /\ ~(~q /\ ~~r)
logic.propositional.truezeroand
~~((p || q) /\ ~q) /\ T /\ ~~T /\ ~(~q /\ ~~r)
logic.propositional.notnot
~~((p || q) /\ ~q) /\ T /\ T /\ ~(~q /\ ~~r)
logic.propositional.truezeroand
~~((p || q) /\ ~q) /\ T /\ ~(~q /\ ~~r)
logic.propositional.notnot
~~((p || q) /\ ~q) /\ T /\ ~(~q /\ r)
logic.propositional.demorganand
~~((p || q) /\ ~q) /\ T /\ (~~q || ~r)
logic.propositional.notnot
~~((p || q) /\ ~q) /\ T /\ (q || ~r)