Exercise logic.propositional.dnf.unicode

Description
Proposition to DNF (unicode support)

Derivation

Final term is not finished

¬(q → p) ↔ ¬¬((((T ∨ F) ∧ r) ↔ s) ∨ ¬s)

⇒ logic.propositional.falsezeroor

¬(q → p) ↔ ¬¬(((T ∧ r) ↔ s) ∨ ¬s)