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