Exercise logic.propositional.dnf.unicode

Description
Proposition to DNF (unicode support)

Derivation

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