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] |
9312 | Consciousness is reductively explained either by how it represents, or how it is represented [Kriegel/Williford] |
9315 | Red tomato experiences are conscious if the state represents the tomato and itself [Kriegel/Williford] |
9313 | Experiences can be represented consciously or unconsciously, so representation won't explain consciousness [Kriegel/Williford] |
9316 | How is self-representation possible, does it produce a regress, and is experience like that? [Kriegel/Williford] |
9314 | Unfortunately, higher-order representations could involve error [Kriegel/Williford] |
3364 | All mental phenomena contain an object [Brentano] |
3225 | Mental unity suggests that qualia and intentionality must connect [Brentano, by Rey] |