Re: Testing for the equivalence relation

"Dan" <guntermann_at_verizon.net> wrote in message news:1120613312.060553.18100_at_g14g2000cwa.googlegroups.com... [...]
> Let me ask this:
> For a question concerning sets A, B, C, if I were to ask whether A = B
> = C, could you tell me how many sets I am talking about? If so, how?

Of course not. It depends on whether the equality holds between A and B or/and C. Assuming, A=C & A=B, there is one set only (by axiom of extensionality).

>
> Regards,
>
> Dan
>
Received on Tue Jul 05 2005 - 22:47:16 CDT