Exercise logic.propositional.dnf.unicode

Description
Proposition to DNF (unicode support)

Derivation

Final term is not finished

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

⇒ logic.propositional.idempand

(T ∧ ¬((q → p) ∧ T)) ↔ ((r ↔ s) ∨ ¬s)

⇒ logic.propositional.defequiv

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