Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

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