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[Axiom-developer] [Axiom-mail] Type of Expression Problem
From: |
Ralf Hemmecke |
Subject: |
[Axiom-developer] [Axiom-mail] Type of Expression Problem |
Date: |
Mon, 14 Nov 2005 07:31:33 -0600 |
Changes http://page.axiom-developer.org/zope/mathaction/AxiomMail/diff
--
Hello,
Martin Rubey wrote:
> Hans Peter W�rmli <address@hidden> writes:
>
>> Hi
>>
>> What are my wrong expectations in the following interpreter session when
>> using
>> "typeOf" and "has"
>>
>> (1) -> e:=(1+n)/(n+k)
>> n + 1
>> (1) -----
>> n + k
>> Type: Fraction Polynomial Integer
>> (2) -> typeOf e
>> (2) Fraction Polynomial Integer
>> Type: Domain
>> (3) -> typeOf (e) has Fraction Polynomial Integer
>> (3) false
>>
>> In (3) I would expect true.
Hmm, I can find "typeOf" in the original Axiom book, but HyperDoc does
not seem to know it. :-(
> Axiom is correct. "A has B" tests whether the Domain or Category A is a member
> of *Category* B or satisfies the axiom B.
Oh can one do this with A being a category?
Anyway, what is the semantics of "A has B" if both (A and B) are domains
as above in line (3)?
Ralf
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forwarded from http://page.axiom-developer.org/zope/mathaction/address@hidden
- [Axiom-developer] [Axiom-mail] Type of Expression Problem, Hans Peter Würmli, 2005/11/13
- [Axiom-developer] [Axiom-mail] Type of Expression Problem, Martin Rubey, 2005/11/13
- [Axiom-developer] [Axiom-mail] Type of Expression Problem, Hans Peter Würmli, 2005/11/13
- [Axiom-developer] [Axiom-mail] Type of Expression Problem, Martin Rubey, 2005/11/13
- [Axiom-developer] [Axiom-mail] Type of Expression Problem, Hans Peter Würmli, 2005/11/13
- [Axiom-developer] [Axiom-mail] Type of Expression Problem, Martin Rubey, 2005/11/15
- [Axiom-developer] [Axiom-mail] Type of Expression Problem, Hans Peter Würmli, 2005/11/15
- [Axiom-developer] [Axiom-mail] Type of Expression Problem, Martin Rubey, 2005/11/16
- [Axiom-developer] [Axiom-mail] Type of Expression Problem,
Ralf Hemmecke <=