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