Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

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