54 ideas
13913 | The four 'perfect syllogisms' are called Barbara, Celarent, Darii and Ferio [Engelbretsen/Sayward] |
13914 | Syllogistic logic has one rule: what is affirmed/denied of wholes is affirmed/denied of their parts [Engelbretsen/Sayward] |
13915 | Syllogistic can't handle sentences with singular terms, or relational terms, or compound sentences [Engelbretsen/Sayward] |
13916 | Term logic uses expression letters and brackets, and '-' for negative terms, and '+' for compound terms [Engelbretsen/Sayward] |
13850 | In modern logic all formal validity can be characterised syntactically [Engelbretsen/Sayward] |
13849 | Classical logic rests on truth and models, where constructivist logic rests on defence and refutation [Engelbretsen/Sayward] |
13851 | Unlike most other signs, = cannot be eliminated [Engelbretsen/Sayward] |
13852 | Axioms are ω-incomplete if the instances are all derivable, but the universal quantification isn't [Engelbretsen/Sayward] |
15127 | A categorical basis could hardly explain a disposition if it had no powers of its own [Hawthorne] |
15123 | Is the causal profile of a property its essence? [Hawthorne] |
15124 | If properties are more than their powers, we could have two properties with the same power [Hawthorne] |
15122 | Could two different properties have the same causal profile? [Hawthorne] |
14590 | If we accept scattered objects such as archipelagos, why not think of cars that way? [Hawthorne] |
15128 | We can treat the structure/form of the world differently from the nodes/matter of the world [Hawthorne] |
15121 | An individual essence is a necessary and sufficient profile for a thing [Hawthorne] |
14591 | Four-dimensionalists say instantaneous objects are more fundamental than long-lived ones [Hawthorne] |
8970 | Our notion of identical sets involves identical members, which needs absolute identity [Hawthorne] |
14589 | A modal can reverse meaning if the context is seen differently, so maybe context is all? [Hawthorne] |
13047 | It is knowing 'why' that gives scientific understanding, not knowing 'that' [Salmon] |
13065 | Understanding is an extremely vague concept [Salmon] |
19553 | Commitment to 'I have a hand' only makes sense in a context where it has been doubted [Hawthorne] |
19551 | How can we know the heavyweight implications of normal knowledge? Must we distort 'knowledge'? [Hawthorne] |
19552 | We wouldn't know the logical implications of our knowledge if small risks added up to big risks [Hawthorne] |
19554 | Denying closure is denying we know P when we know P and Q, which is absurd in simple cases [Hawthorne] |
13054 | Correlations can provide predictions, but only causes can give explanations [Salmon] |
13067 | For the instrumentalists there are no scientific explanations [Salmon] |
13055 | Good induction needs 'total evidence' - the absence at the time of any undermining evidence [Salmon] |
13046 | Scientific explanation is not reducing the unfamiliar to the familiar [Salmon] |
13058 | Why-questions can seek evidence as well as explanation [Salmon] |
13050 | The 'inferential' conception is that all scientific explanations are arguments [Salmon] |
13059 | Ontic explanations can be facts, or reports of facts [Salmon] |
14366 | An explanation is a table of statistical information [Salmon, by Strevens] |
13064 | The three basic conceptions of scientific explanation are modal, epistemic, and ontic [Salmon] |
13049 | We must distinguish true laws because they (unlike accidental generalizations) explain things [Salmon] |
13051 | Deductive-nomological explanations will predict, and their predictions will explain [Salmon] |
13053 | A law is not enough for explanation - we need information about what makes a difference [Salmon] |
13061 | Flagpoles explain shadows, and not vice versa, because of temporal ordering [Salmon] |
17093 | Causation produces productive mechanisms; to understand the world, understand these mechanisms [Salmon] |
17492 | Salmon's interaction mechanisms needn't be regular, or involving any systems [Glennan on Salmon] |
13045 | Explanation at the quantum level will probably be by entirely new mechanisms [Salmon] |
13062 | Does an item have a function the first time it occurs? [Salmon] |
13063 | Explanations reveal the mechanisms which produce the facts [Salmon] |
16557 | Salmon's mechanisms are processes and interactions, involving marks, or conserved quantities [Salmon, by Machamer/Darden/Craver] |
13060 | Can events whose probabilities are low be explained? [Salmon] |
13056 | Statistical explanation needs relevance, not high probability [Salmon] |
13057 | Think of probabilities in terms of propensities rather than frequencies [Salmon] |
8412 | A causal interaction is when two processes intersect, and correlated modifications persist afterwards [Salmon] |
8413 | Cause must come first in propagations of causal interactions, but interactions are simultaneous [Salmon] |
15126 | Maybe scientific causation is just generalisation about the patterns [Hawthorne] |
8411 | Instead of localised events, I take enduring and extended processes as basic to causation [Salmon] |
4784 | Salmon says processes rather than events should be basic in a theory of physical causation [Salmon, by Psillos] |
8409 | Probabilistic causal concepts are widely used in everyday life and in science [Salmon] |
15125 | We only know the mathematical laws, but not much else [Hawthorne] |
14588 | Modern metaphysicians tend to think space-time points are more fundamental than space-time regions [Hawthorne] |