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Re: [PVS-Help] how to use "list" which is in pvs prelude



In PVS, you could also write lists using the following notation:

(: 1, 2, 3 :).

Cesar

Jerry James wrote:
> 2008/5/10 applehopedream <applehopedream@xxxxxxx>:
>>   I want to use a list with a certain length and certain elements ,but I
>> don't know how to set the length and elements.
> 
> If you mean the list datatype defined in the PVS prelude, then "null"
> is the empty list and the "cons" operator adds elements onto the front
> of a list.  So if I want a list of length 3 containing the natural
> numbers 1, 2, and 3, in that order, then I would write:
> 
> cons(1, cons(2, cons(3, null)))
> 
> The list2finseq theory in the prelude also has a function that
> converts finite sequences into lists.  For more information on
> datatypes, see http://pvs.csl.sri.com/documentation.shtml.

-- 
Cesar A. Munoz H., Senior Staff Scientist     mailto:munoz@xxxxxxxxxx
National Institute of Aerospace         mailto:Cesar.A.Munoz@xxxxxxxx
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