16 ideas
| 11257 | The Pythagoreans were the first to offer definitions [Politis, by Politis] |
| 11235 | 'True of' is applicable to things, while 'true' is applicable to words [Politis] |
| 16014 | It is controversial whether only 'numerical identity' allows two things to be counted as one [Noonan] |
| 11277 | Maybe 'What is being? is confusing because we can't ask what non-being is like [Politis] |
| 16669 | Everything that exists is either a being, or some mode of a being [Malebranche] |
| 11248 | Necessary truths can be two-way relational, where essential truths are one-way or intrinsic [Politis] |
| 16024 | I could have died at five, but the summation of my adult stages could not [Noonan] |
| 16023 | Stage theorists accept four-dimensionalism, but call each stage a whole object [Noonan] |
| 16015 | Problems about identity can't even be formulated without the concept of identity [Noonan] |
| 16017 | Identity is usually defined as the equivalence relation satisfying Leibniz's Law [Noonan] |
| 16016 | Identity definitions (such as self-identity, or the smallest equivalence relation) are usually circular [Noonan] |
| 16020 | Identity can only be characterised in a second-order language [Noonan] |
| 16018 | Indiscernibility is basic to our understanding of identity and distinctness [Noonan] |
| 16019 | Leibniz's Law must be kept separate from the substitutivity principle [Noonan] |
| 12726 | In a true cause we see a necessary connection [Malebranche] |
| 2594 | A true cause must involve a necessary connection between cause and effect [Malebranche] |