5 ideas
15927 | Definition just needs negation, known variables, conjunction, disjunction, substitution and quantification [Weyl, by Lavine] |
10197 | An immanent universal is wholly present in more than one place [Zimmerman,DW] |
19382 | Abstracta are abbreviated ways of talking; there are just substances, and truths about them [Leibniz] |
10198 | If only two indiscernible electrons exist, future differences must still be possible [Zimmerman,DW] |
10199 | Discernible differences at different times may just be in counterparts [Zimmerman,DW] |