Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

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