17 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] |
8228 | Being is revealed at the point between waking and sleep [Anon (Cent)] |
8232 | Neglect your self, and feel the consciousness of each other being [Anon (Cent)] |
8230 | Just as you have the impulse to do something, stop [Anon (Cent)] |
18555 | The beautiful is that from which nothing can be subtracted and to which nothing can be added [Alberti] |
8234 | Bondage and liberation are relative terms, which only frighten those already terrified of the universe [Anon (Cent)] |
8227 | Feel your whole body saturated with cosmic essence [Anon (Cent)] |
8229 | The serenity in blue sky beyond clouds [Anon (Cent)] |
8231 | Abandon attachment to body, and feel the joy of being everywhere [Anon (Cent)] |
8233 | Imagine fire burning up your whole body, but not you [Anon (Cent)] |