Try the following, as per equation (16.7) of Specifying systems:a' = [a EXCEPT ![x] = X, ![y] = Y]On Tue, Sep 10, 2019 at 1:03 PM <jacky....@xxxxxxxxx> wrote:Hello,--Suppose I have a function a, that has domain Z. Suppose x and y are in Z.I'm writing an action where both a[x] and a[y] must be changed.I have one line of the following form:and another like so:How would I be able to write this altogether as one? Having both doesn't seem to work with Model Checking as count = 0 for those lines.I apologize if I'm using the wrong terms to explain my problem.Thanks for any help
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