Exercise logic.propositional.dnf.unicode

Description
Proposition to DNF (unicode support)

Derivation

Final term is not finished

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

⇒ logic.propositional.defequiv

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

⇒ logic.propositional.absorpor

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