Re: [tlaplus] VIEW for Structure variable

[Markus Kuppe <tlaplus-google-group@xxxxxxxxxxx>]

On 09.06.21 21:04, pfeod...@xxxxxxxxx wrote:
> In TLC, we have the `VIEW` config where you choose which variables are 
> important and which are auxiliary.
>
> Let's say I have a variable `Var` of interest which is always a 
> Structure, would it be too hard to do something like `VIEW` but where 
> you say that, for this `Var`, TLC does not consider some keys for 
> fingerprint (kinda like auxiliary keys)?


A VIEW *is a state function* (page 243 in Specifying Systems). In other 
words, any state-level^1 (unprimed) expression can be a view, such as 
<<[n \in SomeSubsetOfDOMAIN Var |-> Var[n], other, variables>>

Don't shoot yourself in the foot!

Markus

^1 TLC will keep you from defining a constant-level expression.

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