3 ideas
12191 | Counterfactuals are true if logical or natural laws imply the consequence [Goodman, by McFetridge] |
19087 | The meaning or purport of a symbol is all the rational conduct it would lead to [Peirce] |
7634 | Icons resemble their subject, an index is a natural sign, and symbols are conventional [Peirce, by Maund] |