17 ideas
9271 | Human knowledge may not produce well-being; the examined life may not be worth living [Gray] |
21959 | Metaphysics is the most general attempt to make sense of things [Moore,AW] |
10476 | The idea that groups of concepts could be 'implicitly defined' was abandoned [Hodges,W] |
10478 | Since first-order languages are complete, |= and |- have the same meaning [Hodges,W] |
10477 | |= in model-theory means 'logical consequence' - it holds in all models [Hodges,W] |
10474 | |= should be read as 'is a model for' or 'satisfies' [Hodges,W] |
10475 | A 'structure' is an interpretation specifying objects and classes of quantification [Hodges,W] |
10473 | Model theory studies formal or natural language-interpretation using set-theory [Hodges,W] |
10481 | Models in model theory are structures, not sets of descriptions [Hodges,W] |
10480 | First-order logic can't discriminate between one infinite cardinal and another [Hodges,W] |
21958 | Appearances are nothing beyond representations, which is transcendental ideality [Moore,AW] |
9275 | Knowledge does not need minds or nervous systems; it is found in all living things [Gray] |
9276 | The will hardly ever does anything; most of our life just happens to us [Gray] |
9278 | Nowadays we identify the free life with the good life [Gray] |
9280 | Over forty percent of the Earth's living tissue is human [Gray] |
9272 | Without Christianity we lose the idea that human history has a meaning [Gray] |
9279 | What was our original sin, and how could Christ's suffering redeem it? [Gray] |