Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

Final term is not finished
~(F || ~(~(q -> r) || q || r))
logic.propositional.falsezeroor
~~(~(q -> r) || q || r)
logic.propositional.gendemorganor
~(~~(q -> r) /\ ~q /\ ~r)
logic.propositional.notnot
~((q -> r) /\ ~q /\ ~r)
logic.propositional.defimpl
~((~q || r) /\ ~q /\ ~r)
logic.propositional.absorpand
~(~q /\ ~r)