The Hadran Hagadol al HaRaMbaM (5735)(22)

Class Twenty Two. The question of there being another force, which means (of course) that Hashem has helpers, is also called by the RaMbaM (in Halacha 6) ‘an ascent in knowledge’ because there is merit to this argument, when you consider how great God is, but it is (never the less) wrong. Page 17-18.