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Ideas for 'works', 'What is Cantor's Continuum Problem?' and 'Grundgesetze der Arithmetik 2 (Basic Laws)'

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4 ideas

6. Mathematics / A. Nature of Mathematics / 3. Nature of Numbers / b. Types of number

9886	Cardinals say how many, and reals give measurements compared to a unit quantity [Frege]

6. Mathematics / A. Nature of Mathematics / 3. Nature of Numbers / g. Real numbers

9889	Real numbers are ratios of quantities [Frege, by Dummett]

6. Mathematics / A. Nature of Mathematics / 5. The Infinite / g. Continuum Hypothesis

10868

The Continuum Hypothesis is not inconsistent with the axioms of set theory [Gödel, by Clegg]

13517

If set theory is consistent, we cannot refute or prove the Continuum Hypothesis [Gödel, by Hart,WD]