16 ideas
7719 | European philosophy consists of a series of footnotes to Plato [Whitehead] |
21900 | Deleuze relies on Spinoza (immanence), Bergson (duration), and difference (Nietzsche) [May] |
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] |
10656 | With 'extensive connection', boundary elements are not included in domains [Whitehead, by Varzi] |
13852 | Axioms are ω-incomplete if the instances are all derivable, but the universal quantification isn't [Engelbretsen/Sayward] |
15389 | In Whitehead 'processes' consist of events beginning and ending [Whitehead, by Simons] |
21898 | For existentialists the present is empty without the pull of the future and weight of the past [May] |
21905 | Liberal theory starts from the governed, not from the governor [May] |
15247 | Whitehead held that perception was a necessary feature of all causation [Whitehead, by Harré/Madden] |
16962 | Whitehead replaced points with extended regions [Whitehead, by Quine] |