Exercise logic.propositional.dnf
Description
Proposition to DNF
Derivation
Final term is not finished
~~(~~q || ~r) /\ ~~~~((q || p) /\ ~q)
⇒ logic.propositional.notnot~~(~~q || ~r) /\ ~~((q || p) /\ ~q)
⇒ logic.propositional.andoveror~~(~~q || ~r) /\ ~~((q /\ ~q) || (p /\ ~q))
⇒ logic.propositional.compland~~(~~q || ~r) /\ ~~(F || (p /\ ~q))
⇒ logic.propositional.falsezeroor~~(~~q || ~r) /\ ~~(p /\ ~q)
⇒ logic.propositional.demorganand~~(~~q || ~r) /\ ~(~p || ~~q)
⇒ logic.propositional.notnot~~(~~q || ~r) /\ ~(~p || q)