4 ideas
14799 | Metaphysics rests on observations, but ones so common we hardly notice them [Peirce] |
22137 | Observation can force rejection of some part of the initial set of claims [Duhem, by Boulter] |
18197 | Experiments only test groups of hypotheses, and can't show which one is wrong [Duhem] |
19087 | The meaning or purport of a symbol is all the rational conduct it would lead to [Peirce] |