4 ideas
14238 | A class is an aggregate of objects; if you destroy them, you destroy the class; there is no empty class [Frege] |
3583 | External objects are permanent possibilities of sensation [Mill] |
3537 | I judge others' feeling by analogy with my body and behaviour [Mill] |
19087 | The meaning or purport of a symbol is all the rational conduct it would lead to [Peirce] |