Exercise logic.propositional.dnf.unicode
Description
Proposition to DNF (unicode support)
Derivation
Final term is not finished(¬(q → p) ∧ ¬((q → p) ∧ (q → (p ∨ p)))) ↔ ((r ↔ s) ∨ ¬s)
⇒ logic.propositional.idempor(¬(q → p) ∧ ¬((q → p) ∧ (q → p))) ↔ ((r ↔ s) ∨ ¬s)