Exercise logic.propositional.dnf.unicode

Description
Proposition to DNF (unicode support)

Derivation

Final term is not finished

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

⇒ logic.propositional.idempor

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