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