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