Exercise logic.propositional.dnf
Description
Proposition to DNF
Derivation
Final term is not finished
~~~(~~(q -> r) /\ ~q /\ ~r)
⇒ logic.propositional.notnot~~~((q -> r) /\ ~q /\ ~r)
⇒ logic.propositional.defimpl~~~((~q || r) /\ ~q /\ ~r)
⇒ logic.propositional.absorpand~~~(~q /\ ~r)