Exercise logic.propositional.dnf.unicode

Description
Proposition to DNF (unicode support)

Derivation

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