Lacan’s terms, these distinctions come to us from the order ofsignifiers, and they must therefore be understood as an activelystructuring principle.
Distinctions between subjects is purely a matter of language, when discernible things are usually gradual and not ordered. This connects to Hume's bundle theory where the human mind chooses where the boundary lies between continuity and discontinuity even when all should be gradually discontinuous -- the continuity is simply an illusion, a phantasy.