Exercise logic.propositional.dnf.unicode

Description
Proposition to DNF (unicode support)

Derivation

Final term is not finished
¬(q → p) ↔ (((T ∧ (r ↔ s)) ∨ ¬s) ∧ (¬s ∨ (T ∧ (r ↔ s))))
logic.propositional.truezeroand
¬(q → p) ↔ (((T ∧ (r ↔ s)) ∨ ¬s) ∧ (¬s ∨ (r ↔ s)))
logic.propositional.defequiv
¬(q → p) ↔ (((T ∧ (r ↔ s)) ∨ ¬s) ∧ (¬s ∨ (r ∧ s) ∨ (¬r ∧ ¬s)))