taddvayālambanā etā mano 'nuvyavasāyi sat
karoti mātṛvyāpāramayīḥ karmādikalpanāḥ
— resting on those two (the one and the many); — these; — the mind; — which performs determination after (cognition); — being; — makes, produces; — consisting of the subject's activity; — the constructs of object (case-roles), etc.
The mind, being that which determines after (perception), resting on those two (the one and the many), makes these — the constructs of object (case-roles) and the rest, which consist of the cognizing subject's own activity.