أما الكلي: فهو ما جوز العقل كثرته من حيث تصوره. وأما الجزئي: فهو ما لا يكون كذلك
A universal is that whose multiplicity the intellect permits in respect of its conception; a particular is not like this.
“In respect of its conception” serves the same purpose as “its very conception” in the first definition.
“Bird”: its concept does not exclude several birds, so it is universal.
“This particular bird”: the identity fixed by the demonstrative cannot be numerically identical with several distinct birds, so it is particular.