Exercise logic.propositional.dnf.unicode

Description
Proposition to DNF (unicode support)

Derivation

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