15 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] |
22252 | Capitalism may actually be the best way to foster community [Conway,D] |
22253 | Capitalism is just the market, with optional limited government, and perhaps democracy [Conway,D] |
22256 | Capitalism prefers representative democracy, which avoids community decision-making [Conway,D] |
22255 | Capitalism breaks up extended families, and must then provide welfare for the lonely people [Conway,D] |
22257 | Capitalism is anti-community, by only valuing individuals, and breaking up families [Conway,D] |
1868 | The world was made as much for animals as for man [Celsus] |
1867 | Christians presented Jesus as a new kind of logos to oppose that of the philosophers [Celsus] |