Exercise logic.propositional.dnf.unicode

Description
Proposition to DNF (unicode support)

Derivation

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