Exercise logic.propositional.dnf.unicode

Description
Proposition to DNF (unicode support)

Derivation

Final term is not finished

(F ∨ ¬((q → p) ∧ (q → p))) ↔ ((r ↔ s) ∨ ¬s)

⇒ logic.propositional.idempand

(F ∨ ¬(q → p)) ↔ ((r ↔ s) ∨ ¬s)

⇒ logic.propositional.defimpl

(F ∨ ¬(¬q ∨ p)) ↔ ((r ↔ s) ∨ ¬s)