Exercise logic.propositional.dnf.unicode

Description
Proposition to DNF (unicode support)

Derivation

Final term is not finished

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

⇒ logic.propositional.idempand

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