Exercise logic.propositional.dnf.unicode

Description
Proposition to DNF (unicode support)

Derivation

Final term is not finished

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

⇒ logic.propositional.idempor

¬(q → p) ↔ ((¬s ∧ ¬s) ∨ (r ↔ s))