Exercise logic.propositional.dnf.unicode

Description
Proposition to DNF (unicode support)

Derivation

Final term is not finished

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

⇒ logic.propositional.idempand

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