Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

Final term is not finished
~~(((q /\ (q || p)) || (~(r /\ r) /\ (q || p))) /\ ~q)
logic.propositional.absorpand
~~((q || (~(r /\ r) /\ (q || p))) /\ ~q)
logic.propositional.idempand
~~((q || (~r /\ (q || p))) /\ ~q)
logic.propositional.andoveror
~~((q /\ ~q) || (~r /\ (q || p) /\ ~q))
logic.propositional.andoveror
~~((q /\ ~q) || (((~r /\ q) || (~r /\ p)) /\ ~q))
logic.propositional.andoveror
~~((q /\ ~q) || (~r /\ q /\ ~q) || (~r /\ p /\ ~q))
logic.propositional.absorpor
~~((q /\ ~q) || (~r /\ p /\ ~q))
logic.propositional.compland
~~(F || (~r /\ p /\ ~q))
logic.propositional.falsezeroor
~~(~r /\ p /\ ~q)