Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

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