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Ideas of Michael Hallett, by Text
[British, fl. 1996, Professor at McGill University, Montreal.]
1996

Introduction to Zermelo's 1930 paper

p.1213

p.1213

17833

The firstorder ZF axiomatisation is highly noncategorical

p.1215

p.1215

17834

Noncategoricity reveals a sort of incompleteness, with sets existing that the axioms don't reveal

p.1217

p.1217

17837

Zermelo allows urelements, to enable the widespread application of settheory

p.1217

p.1217

17836

The General Continuum Hypothesis and its negation are both consistent with ZF
