4 ideas
18758 | Validity is provable, but invalidity isn't, because the model is infinite [Church, by McGee] |
20328 | A thing is only seen as art in an 'artworld', which has a theory and a history [Danto] |
20441 | An ordinary object can be a work of art, but only if some theory of art supports it [Danto] |
1497 | For Anaximenes nature is air, which takes different forms by rarefaction and condensation [Anaximenes, by Simplicius] |