Combining Texts

All the ideas for 'fragments/reports', 'Goodbye Descartes' and 'On the Nature of Acquaintance'

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16 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]

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

8089	Montague's intensional logic incorporated the notion of meaning [Devlin]

8087	Golden ages: 1900-1960 for pure logic, and 1950-1985 for applied logic [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 / F. Referring in Logic / 1. Naming / c. Names as referential

6410	The only real proper names are 'this' and 'that'; the rest are really definite descriptions. [Russell, by Grayling]

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]

13. Knowledge Criteria / E. Relativism / 5. Language Relativism

8088	People still say the Hopi have no time concepts, despite Whorf's later denial [Devlin]

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]

26. Natural Theory / A. Speculations on Nature / 5. Infinite in Nature

1748	Archelaus was the first person to say that the universe is boundless [Archelaus, by Diog. Laertius]

27. Natural Reality / G. Biology / 3. Evolution

5989	Archelaus said life began in a primeval slime [Archelaus, by Schofield]