Exercise logic.propositional.dnf.unicode

Description
Proposition to DNF (unicode support)

Derivation

Final term is not finished

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

⇒ logic.propositional.defimpl

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