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[tlaplus] Question about 'Init' in a TLA+ specification

From: Aman Shaikh <amanshaikh75@xxxxxxxxx>
Date: Sat, 24 Sep 2022 15:25:31 -0700 (PDT)

A TLA+ specification generally has the form Init /\ [][Next]_vars; I'm ignoring liveness properties here. However, one could as well write this in the form FooInit /\ [][FooNext]_vars if my understanding is correct. In other words, Init and Next are not TLA+ keywords.

Given this, how does a tool like TLC know that Init (or FooInit) is the starting state of the specification? Is it because there are no primed variables in the _expression_?

thx

aman

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