6 ideas
11193 | Understanding begins with the notion of being and essence [Avicenna] |
17743 | De Morgan introduced a 'universe of discourse', to replace Boole's universe of 'all things' [De Morgan, by Walicki] |
11209 | The simple's whatness is its very self [Avicenna] |
11204 | The ultimate material of things has the unity of total formlessness [Avicenna] |
15036 | An essence can either be universal (in the mind) or singular (in concrete particulars) [Avicenna, by Panaccio] |
5880 | Xenocrates held that the soul had no form or substance, but was number [Xenocrates, by Cicero] |