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Commutativity: states can be merged in any order; A ∨ B = B ∨ A. If Alice and Bob exchange states, they can each merge the other’s state into their own and arrive at the same result.

And it was sort of my intuition in general with Python from very early on that lists and collections in general, dictionaries, had a different “significance”

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union alloc_header *h = x;h--;

If a ranked match no longer exists:

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