6 ideas
9558 | All scientific tests will verify mathematics, so it is a background, not something being tested [Sober] |
23647 | Objects have an essential constitution, producing its qualities, which we are too ignorant to define [Reid] |
11958 | Impossibilites are easily conceived in mathematics and geometry [Reid, by Molnar] |
18284 | Particulars can be verified or falsified, but general statements can only be falsified (conclusively) [Popper] |
23646 | Reference is by name, or a term-plus-circumstance, or ostensively, or by description [Reid] |
23645 | A word's meaning is the thing conceived, as fixed by linguistic experts [Reid] |