4 ideas
9548 | A mathematical object exists if there is no contradiction in its definition [Waterfield] |
16776 | Substance is an intrinsic thing, so parts of substances can't also be intrinsic things [Duns Scotus] |
3583 | External objects are permanent possibilities of sensation [Mill] |
3537 | I judge others' feeling by analogy with my body and behaviour [Mill] |