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Ideas of Keith Devlin, by Text
[American, fl. 1996, Dean of Science at St Mary's College. Senior Researcher at Stanford University.]
Ch. 1
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p.7
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8072
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Sentences of apparent identical form can have different contextual meanings
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Ch. 1
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p.7
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8073
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How do we parse 'time flies like an arrow' and 'fruit flies like an apple'?
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Ch. 2
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p.24
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8075
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Space and time are atomic in the arrow, and divisible in the tortoise
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Ch. 2
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p.27
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8076
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The distinction between sentences and abstract propositions is crucial in logic
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Ch. 2
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p.43
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8081
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'No councillors are bankers' and 'All bankers are athletes' implies 'Some athletes are not councillors'
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Ch. 2
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p.48
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8082
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Where a conditional is purely formal, an implication implies a link between premise and conclusion
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Ch. 4
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p.80
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8085
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Modern propositional inference replaces Aristotle's 19 syllogisms with modus ponens
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Ch. 4
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p.83
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8086
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Predicate logic retains the axioms of propositional logic
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Ch. 4
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p.85
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8087
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Golden ages: 1900-1960 for pure logic, and 1950-1985 for applied logic
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Ch. 5
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p.111
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8088
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People still say the Hopi have no time concepts, despite Whorf's later denial
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Ch. 8
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p.192
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8089
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Montague's intensional logic incorporated the notion of meaning
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Ch. 8
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p.207
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8091
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Situation theory is logic that takes account of context
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Ch.11
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p.261
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8092
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Logic was merely a branch of rhetoric until the scientific 17th century
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