Exercise logic.propositional.dnf.unicode

Description
Proposition to DNF (unicode support)

Derivation

Final term is not finished

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

⇒ logic.propositional.idempand

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