Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

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