Combining Philosophers

All the ideas for Engelbretsen,G/Sayward,C, Ernst Mach and Hugh LaFollette

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15 ideas

1. Philosophy / G. Scientific Philosophy / 2. Positivism
15873 Laws of nature are just records of regularities and correlations, with concepts to make recording them easier [Mach, by Harré]
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]
5. Theory of Logic / A. Overview of Logic / 4. Pure Logic
13850 In modern logic all formal validity can be characterised syntactically [Engelbretsen/Sayward]
5. Theory of Logic / A. Overview of Logic / 6. Classical Logic
13849 Classical logic rests on truth and models, where constructivist logic rests on defence and refutation [Engelbretsen/Sayward]
5. Theory of Logic / D. Assumptions for Logic / 4. Identity in Logic
13851 Unlike most other signs, = cannot be eliminated [Engelbretsen/Sayward]
5. Theory of Logic / K. Features of Logics / 5. Incompleteness
13852 Axioms are ω-incomplete if the instances are all derivable, but the universal quantification isn't [Engelbretsen/Sayward]
20. Action / C. Motives for Action / 5. Action Dilemmas / a. Dilemmas
20878 We can discuss the criteria of a judgment, or the weight given to them, or their application [LaFollette]
20877 Errors in moral practice might be inconsistent or inappropriate principles, or inappropriate application [LaFollette]
20. Action / C. Motives for Action / 5. Action Dilemmas / c. Omissions
20881 The act/omission distinction is important for duties, but less so for consequences [LaFollette]
23. Ethics / D. Deontological Ethics / 2. Duty
20886 Are we only obligated by agreement, or should we always help the weak? [LaFollette]
25. Social Practice / C. Rights / 2. Moral rights
20879 Too many options may open us to unwanted pressures, like being paid very little [LaFollette]
20880 Should people be forced to make choices? [LaFollette]