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From: Moebius <invalid@example.invalid>
Newsgroups: sci.math
Subject: Re: More complex numbers than reals?
Date: Thu, 11 Jul 2024 02:31:15 +0200
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Am 11.07.2024 um 02:28 schrieb Chris M. Thomasson:
> On 7/10/2024 5:24 PM, Moebius wrote:
>> Am 11.07.2024 um 02:16 schrieb Chris M. Thomasson:
>>
>>> {a, b, c} vs { 3, 4, 5 }
>>>
>>> Both have the same number of elements, [...]
>>
>> HOW do you know that? Please define (for any sets A, B):
>>
>>      A and B /have the same number of elements/ iff ___________________ .
>>
>> (i.e. fill out the blanks). :-)
>>
>> Hint: That's what Ben Bacarisse is asking for.
>>
>> Sure, it's "obvious" for us. But how would you define "have the same 
>> number of elements" (in mathematical terms) such that it can be 
>> DEDUCED (!) für certain sets A and B?
>>
>> ________________________________________
>>
>> Ok, I'm slighty vicious now... :-)
>>
>> If a = b = c, {a, b, c} still has "the same number of elements" as {3, 
>> 4, 5 }? :-P
> 
> I see {a, b, c} and {3, 4, 5} and think three elements.

Even if a = b = c = 1?

C'mon man! :-P