Exercise logic.propositional.dnf.unicode

Description
Proposition to DNF (unicode support)

Derivation

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