Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

(F /\ r) || (T -> (~~p || q))

⇒ logic.propositional.falsezeroand

F || (T -> (~~p || q))

⇒ logic.propositional.falsezeroor

T -> (~~p || q)

⇒ logic.propositional.notnot

T -> (p || q)

⇒ logic.propositional.defimpl

~T || p || q

⇒ logic.propositional.nottrue

F || p || q

⇒ logic.propositional.falsezeroor

p || q