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.notnot¬(q → p) ↔ (((r ∧ r) ↔ s) ∨ ¬s ∨ (r ↔ s) ∨ ¬s)