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Re: [mizar] Seeking description of consistency correctness-condition



Artur,

Thanks! That is _exactly_ what I was seeking.

I had seen the lecture notes at
http://markun.cs.shinshu-u.ac.jp/kiso/projects/proofchecker/mizar/Mizar4/index-e.html
but the page you cited for me (below) is not mentioned in those notes (or
anywhere else according to google links).

-Greg Frascadore


Artur Kornilowicz wrote:
> 
> Hello,
> 
> please look at
> 
> http://markun.cs.shinshu-u.ac.jp/kiso/projects/proofchecker/mizar/skeletons/toc.html
> 
> In Section '3. Definitions' you can find an answer.
> 
> Best,
> 
> Artur
> 
> 
> 
> On Fri, 23 Oct 2009, Greg Frascadore wrote:
> 
>>
>> Hello,
>>
>>  I'm looking for a description of the 'consistency' correctness-
>>  condition and the situations where it is required. Particularly, a
>>  statement of the template formula one must prove to establish
>> consistency.
>>
>>  After looking through some old papers like 'Muzalewski1993 PCMizar',
>>  and Matuszewski+Rudnicki 'Mizar: the first 30 years', I either couldn't
>>  find it, or only a brief mention that it is required for 'definitions
>>  per cases'.
>>
>>  Searching the MML, consistency is usually demonstrated simply as:
>>        consistency;    (due to disjointness of if/otherwise ?)
>>
>>  But in the non-trivial cases, the condition being proved isn't
>>  obvious to me.
>>
>>  Thanks,
>>
>> -Greg Frascadore
>>
>> -- 
>> View this message in context:
>> http://www.nabble.com/Seeking-description-of-consistency-correctness-condition-tp26027415p26027415.html
>> Sent from the Mizar mailing list archive at Nabble.com.
>>
>>
> 
> 
> ==========================================================================
> 
> Artur Kornilowicz                          e-mail: arturk@math.uwb.edu.pl
> 
> Dept. of Programming and Formal Methods    http://math.uwb.edu.pl/~arturk/
> Institute of Computer Science              tel. +48 (85) 745-7662
> University of Bialystok                    fax. +48 (85) 745-7662
> Sosnowa 64, 15-887 Bialystok, Poland
> 
> 

-- 
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