Hume says that philosophical terms must be tested by asking “from what impression is that supposed idea derived?” Do you think this is a good test? Are there any terms or “supposed ideas” that you...

Hume says that philosophical terms must be tested by asking “from what impression is that supposed idea derived?” Do you think this is a good test? Are there any terms or “supposed ideas” that you would have to reject if you applied this test to your own ideas? If you applied this test to Hume’s own philosophical terms, do you think they would all pass his test? Why?