Combining Texts
Ideas for
'The Evolution of Logic', 'The Human Animal' and 'Ontology and the Ambitions of Metaphysics'
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10 ideas
6. Mathematics / A. Nature of Mathematics / 3. Nature of Numbers / a. Numbers
21644
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Numbers are used as singular terms, as adjectives, and as symbols [Hofweber]
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21646
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The Amazonian Piraha language is said to have no number words [Hofweber]
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6. Mathematics / A. Nature of Mathematics / 3. Nature of Numbers / e. Ordinal numbers
13459
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The less-than relation < well-orders, and partially orders, and totally orders the ordinal numbers [Hart,WD]
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13463
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There are at least as many infinite cardinals as transfinite ordinals (because they will map) [Hart,WD]
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13491
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The axiom of infinity with separation gives a least limit ordinal ω [Hart,WD]
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13492
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Von Neumann's ordinals generalise into the transfinite better, because Zermelo's ω is a singleton [Hart,WD]
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6. Mathematics / A. Nature of Mathematics / 3. Nature of Numbers / g. Real numbers
13446
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19th century arithmetization of analysis isolated the real numbers from geometry [Hart,WD]
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6. Mathematics / A. Nature of Mathematics / 4. Using Numbers / f. Arithmetic
21665
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The fundamental theorem of arithmetic is that all numbers are composed uniquely of primes [Hofweber]
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6. Mathematics / A. Nature of Mathematics / 4. Using Numbers / g. Applying mathematics
21649
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How can words be used for counting if they are objects? [Hofweber]
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6. Mathematics / A. Nature of Mathematics / 5. The Infinite / a. The Infinite
13509
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We can establish truths about infinite numbers by means of induction [Hart,WD]
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