Exercise logic.propositional.dnf.unicode

Description
Proposition to DNF (unicode support)

Derivation

Final term is not finished

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

⇒ logic.propositional.idempand

(¬(q → (p ∧ p)) ↔ ((r ↔ s) ∨ ¬s)) ∨ F