Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

(~(q -> r) /\ (~(q -> r) || q || r)) || (q /\ (~(q -> r) || q || r)) || (r /\ (~(q -> r) || q || r))
logic.propositional.absorpand
~(q -> r) || (q /\ (~(q -> r) || q || r)) || (r /\ (~(q -> r) || q || r))
logic.propositional.absorpand
~(q -> r) || (q /\ (~(q -> r) || q || r)) || r
logic.propositional.defimpl
~(~q || r) || (q /\ (~(q -> r) || q || r)) || r
logic.propositional.defimpl
~(~q || r) || (q /\ (~(~q || r) || q || r)) || r
logic.propositional.demorganor
(~~q /\ ~r) || (q /\ (~(~q || r) || q || r)) || r
logic.propositional.demorganor
(~~q /\ ~r) || (q /\ ((~~q /\ ~r) || q || r)) || r
logic.propositional.notnot
(q /\ ~r) || (q /\ ((~~q /\ ~r) || q || r)) || r
logic.propositional.notnot
(q /\ ~r) || (q /\ ((q /\ ~r) || q || r)) || r
logic.propositional.absorpor
(q /\ ~r) || (q /\ (q || r)) || r
logic.propositional.absorpand
(q /\ ~r) || q || r
logic.propositional.absorpor
q || r