Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

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