Exercise logic.propositional.dnf.unicode

Description
Proposition to DNF (unicode support)

Derivation

Final term is not finished

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

⇒ logic.propositional.truezeroand

(¬(q → p) ↔ (¬¬(r ↔ s) ∨ ¬s)) ∨ F

⇒ logic.propositional.defequiv

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