Re: [tlaplus] How do you list possible next steps?

You could evaluate predicates ENABLED A for all actions A when analyzing the error trace in order to understand which actions are enabled at each of the states. This won't show actual successor states, though.

Stephan

On 15 Apr 2020, at 16:53, Andreas Källberg <anka.213@xxxxxxxxx> wrote:

I have a model with an `Init` and `Next` formula.
While going through an error trace, I would like to see a list of all possible next steps it could transition to.
I assume that I could add some _expression_ based on `Next`, that will provide a set of all solutions for `var'`,
but I have no idea of how to express that?

Thanks,
Andreas

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