6 ideas
7006 | Observing irrelevant items supports both 'all x are y' and 'all x are non-y', revealing its absurdity [Schofield,J] |
13165 | Geometrical proofs do not show causes, as when we prove a triangle contains two right angles [Proclus] |
9569 | The origin of geometry started in sensation, then moved to calculation, and then to reason [Proclus] |
20443 | The aesthetic attitude is nothing more than paying close attention [Dickie, by Giovannelli] |
20329 | A work of art is an artifact created for the artworld [Dickie] |
8114 | The institutional theory says only a competent expert can decree something to be an art work [Dickie, by Gardner] |