Mackie's Platonic picture
1. Does "Mackie's Platonic picture" mean "Mackie's Platonic ideas"?

2. Does "while holding" refer to " contemporary views"?

Context:

The internalist character of Mackie's Platonic picture curiously aligns it with contemporary views that similarly accept existence internalism, while holding that the capacity for motivation in fact depends on a preexisting desire.

Question

Mackie's Platonic picture
1. Does "Mackie's Platonic picture" mean "Mackie's Platonic ideas"?

2. Does "while holding" refer to " contemporary views"?

Context:

The internalist character of Mackie's Platonic picture curiously aligns it with contemporary views that similarly accept existence internalism, while holding that the capacity for motivation in fact depends on a preexisting desire.

Answer

"Mackie's Platonic picture" means something lie "Mackie's friendly perspective on existence"

while holding here implies that Mackie's Platonic picture agrees with contemporary views that similarly accept existence internalism, but at the same time differs from them(contemporary views) in that it say that the capacity for motivation in fact depends on a preexisting desire