Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

Final term is not finished
~~(~~q || ~r || ~r) /\ ~~(p /\ ~q) /\ ~~(p /\ ~q)
logic.propositional.idempand
~~(~~q || ~r || ~r) /\ ~~(p /\ ~q)
logic.propositional.notnot
~~(~~q || ~r || ~r) /\ p /\ ~q