Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

Final term is not finished
~(~~~((q || p) /\ ~q) || ~~~((q || p) /\ ~q)) /\ (q || ~r)
logic.propositional.idempor
~~~~((q || p) /\ ~q) /\ (q || ~r)
logic.propositional.notnot
~~((q || p) /\ ~q) /\ (q || ~r)
logic.propositional.andoveror
~~((q /\ ~q) || (p /\ ~q)) /\ (q || ~r)
logic.propositional.compland
~~(F || (p /\ ~q)) /\ (q || ~r)
logic.propositional.falsezeroor
~~(p /\ ~q) /\ (q || ~r)
logic.propositional.demorganand
~(~p || ~~q) /\ (q || ~r)
logic.propositional.notnot
~(~p || q) /\ (q || ~r)