Combining Philosophers

Ideas for Protagoras, Engelbretsen,G/Sayward,C and Mnesarchus

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4 ideas

4. Formal Logic / A. Syllogistic Logic / 1. Aristotelian Logic

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]

4. Formal Logic / A. Syllogistic Logic / 2. Syllogistic Logic

13915

Syllogistic can't handle sentences with singular terms, or relational terms, or compound sentences [Engelbretsen/Sayward]

4. Formal Logic / A. Syllogistic Logic / 3. Term Logic

13916

Term logic uses expression letters and brackets, and '-' for negative terms, and '+' for compound terms [Engelbretsen/Sayward]