। ॥ १०२ ॥
In plain words
In a dream the man is real, the woman is not, and the union of the two never happened at all — yet the discharge is real. Exactly this holds in the case before us.
Close to the Sanskrit
In a dream, the man is real, the woman unreal, and the union of those two a falsehood; the flow of semen is real. In the same way, in the matter at hand also, it comes about.