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[tlaplus] Scope of the QED keyword
What is the scope of the QED keyword?
In my understanding, at any point in a proof, the QED keyword represents the main goal of the level in which it is being used. That goal may be the main theorem of the proof or the goal of a step in a hierarchical proof.
I am asking because I have not found this explicitly mentioned anywhere (maybe I have missed some part of the documentation).
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