Exercise logic.propositional.dnf.unicode

Description
Proposition to DNF (unicode support)

Derivation

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