display all the ideas for this combination of texts
3 ideas
9190 | A concept is a function mapping objects onto truth-values, if they fall under the concept [Frege, by Dummett] |
13665 | Frege took the study of concepts to be part of logic [Frege, by Shapiro] |
9145 | We form the image of a cardinal number by a double abstraction, from the elements and from their order [Cantor] |