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*From*: jacky.hoang93@xxxxxxxxx*Date*: Tue, 10 Sep 2019 09:51:49 -0700 (PDT)

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:

` a' = [a EXCEPT ![x] = ...]`

and another like so:

` a' = [a EXCEPT ![y] = ...]`

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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**Follow-Ups**:**Re: [tlaplus] Merging EXCEPT statements***From:*Stephan Merz

**Re: [tlaplus] Merging EXCEPT statements***From:*Saksham Chand

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