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15
Math.TechQA.Club
2026-05-10 17:00:45
40
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Physical/Geometric models for Reals , of different Cardinality (Lowenheim-Skolem, etc)?
Published on
10 May 2026 - 17:00
#nonstandard-analysis
#nonstandard-models
57
Views
Doubt in geometry of nilpotent elements.
Published on
25 Mar 2026 - 15:39
#calculus
#abstract-algebra
#nonstandard-analysis
196
Views
Can the Dedekind completion of the hyperreal numbers be embedded in an ordered field?
Published on
25 Mar 2026 - 15:41
#field-theory
#order-theory
#nonstandard-analysis
#ordered-fields
128
Views
Application of the transfer theorem in elementary calculus (Davis' Applied nonstandard analysis)
Published on
25 Mar 2026 - 15:47
#real-analysis
#nonstandard-analysis
310
Views
Internal set theory: proof that limited integers are standard
Published on
25 Mar 2026 - 15:40
#nonstandard-analysis
260
Views
What is the hyperreal multiplicative inverse of $1 + \epsilon$, and how do we show it exists?
Published on
10 May 2026 - 12:54
#nonstandard-analysis
#nonstandard-models
#surreal-numbers
381
Views
Reference request: How is $0.99\cdots$ defined in nonstandard analysis?
Published on
25 Mar 2026 - 15:38
#reference-request
#nonstandard-analysis
200
Views
Hyperreal Numbers (Sequence Definition)
Published on
25 Mar 2026 - 15:45
#nonstandard-analysis
913
Views
Hyperreals, other models and 1=0.999....
Published on
25 Mar 2026 - 15:40
#logic
#nonstandard-analysis
254
Views
What is $\sin{ω}$?
Published on
08 Apr 2026 - 21:30
#nonstandard-analysis
255
Views
What does it mean for an expression to be "finite but not infinitesimal"?
Published on
25 Mar 2026 - 15:41
#calculus
#infinity
#nonstandard-analysis
#infinitesimals
72
Views
denominator with standard part 0
Published on
25 Mar 2026 - 15:39
#calculus
#infinity
#nonstandard-analysis
#infinitesimals
146
Views
Isomorphism of hyperreal fields viewed as extensions of the real field
Published on
11 May 2026 - 5:04
#logic
#field-theory
#model-theory
#nonstandard-analysis
#ordered-fields
103
Views
Clarification on type of proof argument
Published on
17 Apr 2026 - 0:23
#real-analysis
#sequences-and-series
#nonstandard-analysis
874
Views
How to get an introduction to non-standard analysis?
Published on
09 Apr 2026 - 15:47
#soft-question
#nonstandard-analysis
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