Combining Philosophers

All the ideas for Speussipus, Max Weber and Keith Devlin

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26 ideas

1. Philosophy / B. History of Ideas / 5. Later European Thought
8092 Logic was merely a branch of rhetoric until the scientific 17th century [Devlin]
2. Reason / A. Nature of Reason / 5. Objectivity
22366 There is no objectivity in social sciences - only viewpoints for selecting and organising data [Weber]
22367 The results of social research can be true, and not just subjectively valid for one person [Weber]
4. Formal Logic / A. Syllogistic Logic / 2. Syllogistic Logic
8081 'No councillors are bankers' and 'All bankers are athletes' implies 'Some athletes are not councillors' [Devlin]
4. Formal Logic / B. Propositional Logic PL / 1. Propositional Logic
8085 Modern propositional inference replaces Aristotle's 19 syllogisms with modus ponens [Devlin]
4. Formal Logic / B. Propositional Logic PL / 2. Tools of Propositional Logic / e. Axioms of PL
8086 Predicate logic retains the axioms of propositional logic [Devlin]
5. Theory of Logic / A. Overview of Logic / 1. Overview of Logic
8091 Situation theory is logic that takes account of context [Devlin]
5. Theory of Logic / A. Overview of Logic / 2. History of Logic
8087 Golden ages: 1900-1960 for pure logic, and 1950-1985 for applied logic [Devlin]
8089 Montague's intensional logic incorporated the notion of meaning [Devlin]
5. Theory of Logic / B. Logical Consequence / 7. Strict Implication
8082 Where a conditional is purely formal, an implication implies a link between premise and conclusion [Devlin]
5. Theory of Logic / E. Structures of Logic / 1. Logical Form
8072 Sentences of apparent identical form can have different contextual meanings [Devlin]
5. Theory of Logic / L. Paradox / 4. Paradoxes in Logic / a. Achilles paradox
8075 Space and time are atomic in the arrow, and divisible in the tortoise [Devlin]
9. Objects / B. Unity of Objects / 2. Substance / c. Types of substance
594 Speusippus suggested underlying principles for every substance, and ended with a huge list [Speussipus, by Aristotle]
13. Knowledge Criteria / E. Relativism / 5. Language Relativism
8088 People still say the Hopi have no time concepts, despite Whorf's later denial [Devlin]
14. Science / D. Explanation / 1. Explanation / d. Explaining people
7082 Nature requires causal explanations, but society requires clarification by reasons and motives [Weber, by Critchley]
19. Language / C. Assigning Meanings / 1. Syntax
8073 How do we parse 'time flies like an arrow' and 'fruit flies like an apple'? [Devlin]
19. Language / D. Propositions / 2. Abstract Propositions / a. Propositions as sense
8076 The distinction between sentences and abstract propositions is crucial in logic [Devlin]
22. Metaethics / B. Value / 1. Nature of Value / b. Fact and value
22155 We are disenchanted because we rely on science, which ignores values [Weber, by Boulter]
23. Ethics / D. Deontological Ethics / 2. Duty
20725 The idea of duty in one's calling haunts us, like a lost religion [Weber]
24. Political Theory / C. Ruling a State / 1. Social Power
21132 Domination is probable obedience by some group of persons [Weber]
24. Political Theory / D. Ideologies / 11. Capitalism
20722 Acquisition and low consumption lead to saving, investment, and increased wealth [Weber]
20724 When asceticism emerged from the monasteries, it helped to drive the modern economy [Weber]
20717 Capitalism is not unlimited greed, and may even be opposed to greed [Weber]
20718 Modern western capitalism has free labour, business separate from household, and book-keeping [Weber]
28. God / C. Attitudes to God / 5. Atheism
2632 Speusippus said things were governed by some animal force rather than the gods [Speussipus, by Cicero]
29. Religion / B. Monotheistic Religion / 4. Christianity / a. Christianity
20719 Punish the heretic, but be indulgent to the sinner [Weber]