Exercise logic.propositional.dnf.unicode

Description
Proposition to DNF (unicode support)

Derivation

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