Exercise logic.propositional.dnf.unicode

Description
Proposition to DNF (unicode support)

Derivation

Final term is not finished

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

⇒ logic.propositional.idempor

¬(q → p) ↔ ((r ↔ s) ∨ (¬s ∧ ¬¬¬s))