29 ideas
6602 | Philosophy is like a statue which is worshipped but never advances [Bacon] |
12124 | Metaphysics is the best knowledge, because it is the simplest [Bacon] |
12123 | Natural history supports physical knowledge, which supports metaphysical knowledge [Bacon] |
12119 | Physics studies transitory matter; metaphysics what is abstracted and necessary [Bacon] |
12120 | Physics is of material and efficient causes, metaphysics of formal and final causes [Bacon] |
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] |
16639 | Only individual bodies exist [Bacon] |
16625 | In hylomorphism all the explanation of actions is in the form, and the matter doesn't do anything [Bacon] |
16033 | There are only individual bodies containing law-based powers, and the Forms are these laws [Bacon] |
16724 | The senses deceive, but also show their own errors [Bacon] |
12121 | We don't assume there is no land, because we can only see sea [Bacon] |
3648 | Empiricists are collecting ants; rationalists are spinning spiders; and bees do both [Bacon] |
12117 | Science moves up and down between inventions of causes, and experiments [Bacon] |
6603 | Nature is revealed when we put it under pressure rather than observe it [Bacon] |
21950 | Science must clear away the idols of the mind if they are ever going to find the truth [Bacon] |
12127 | Many different theories will fit the observed facts [Bacon] |
12126 | People love (unfortunately) extreme generality, rather than particular knowledge [Bacon] |
12125 | Teleological accounts are fine in metaphysics, but they stop us from searching for the causes [Bacon] |
16624 | Stripped and passive matter is just a human invention [Bacon] |
20919 | How can things without weight compose weight? [Alexander] |
12118 | Essences are part of first philosophy, but as part of nature, not part of logic [Bacon] |
7399 | Even without religion, there are many guides to morality [Bacon] |