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