Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

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