If δ is descending true, then it is not descending true (since D〈φ〉→ φ for any φ, and since δ says that it is not descending true); so it is not descending true.

Idan shugaba ya ga suna da gaskiya yana iya saurara masu amma ba dole ba ne a hukumance, sai ya nada minista daga wata kabila ba.
