Combining Texts

All the ideas for 'Whitehead and the Rise of Modern Logic', 'The Foundations of Mathematics' and 'fragments/reports'

expand these ideas     |    start again     |     specify just one area for these texts

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5 ideas

5. Theory of Logic / A. Overview of Logic / 7. Second-Order Logic

13639

Quine says higher-order items are intensional, and lack a clearly defined identity relation [Quine, by Shapiro]

5. Theory of Logic / D. Assumptions for Logic / 2. Excluded Middle

18844

You would cripple mathematics if you denied Excluded Middle [Hilbert]

6. Mathematics / C. Sources of Mathematics / 6. Logicism / b. Type theory

21557

Russell confused use and mention, and reduced classes to properties, not to language [Quine, by Lackey]

26. Natural Theory / A. Speculations on Nature / 6. Early Matter Theories / c. Ultimate substances

22745

Pherecydes said the first principle and element is earth [Pherecydes, by Sext.Empiricus]

29. Religion / D. Religious Issues / 2. Immortality / a. Immortality

5883	Pherecydes was the first to say that the soul is eternal [Pherecydes, by Cicero]