Combining Texts
Ideas for
'Are there propositions?', 'Sets and Numbers' and 'Philosophy of Mind'
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7 ideas
6. Mathematics / B. Foundations for Mathematics / 6. Mathematics as Set Theory / a. Mathematics is set theory
17825
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Set theory (unlike the Peano postulates) can explain why multiplication is commutative [Maddy]
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17826
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Standardly, numbers are said to be sets, which is neat ontology and epistemology [Maddy]
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17828
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Numbers are properties of sets, just as lengths are properties of physical objects [Maddy]
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6. Mathematics / B. Foundations for Mathematics / 6. Mathematics as Set Theory / b. Mathematics is not set theory
17830
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Number theory doesn't 'reduce' to set theory, because sets have number properties [Maddy]
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17827
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Sets exist where their elements are, but numbers are more like universals [Maddy]
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6. Mathematics / C. Sources of Mathematics / 1. Mathematical Platonism / b. Against mathematical platonism
17823
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If mathematical objects exist, how can we know them, and which objects are they? [Maddy]
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6. Mathematics / C. Sources of Mathematics / 5. Numbers as Adjectival
17829
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Number words are unusual as adjectives; we don't say 'is five', and numbers always come first [Maddy]
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