Exercise logic.propositional.dnf.unicode

Description
Proposition to DNF (unicode support)

Derivation

Final term is not finished

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

⇒ logic.propositional.idempor

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