Exercise logic.propositional.dnf.unicode

Description
Proposition to DNF (unicode support)

Derivation

Final term is not finished

¬(q → p) ↔ (¬(T ∧ s) ∨ (r ↔ (s ∧ s)))

⇒ logic.propositional.idempand

¬(q → p) ↔ (¬(T ∧ s) ∨ (r ↔ s))