Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

~~((q || ~~~r) /\ (~~(p /\ ~q) || ~~(p /\ ~q)) /\ ~~(p /\ ~q))
logic.propositional.notnot
(q || ~~~r) /\ (~~(p /\ ~q) || ~~(p /\ ~q)) /\ ~~(p /\ ~q)
logic.propositional.absorpand
(q || ~~~r) /\ ~~(p /\ ~q)
logic.propositional.notnot
(q || ~r) /\ ~~(p /\ ~q)
logic.propositional.notnot
(q || ~r) /\ p /\ ~q
logic.propositional.andoveror
(q /\ p /\ ~q) || (~r /\ p /\ ~q)