Swapping any 2 objects in a totally ordered triplet would change the information being conveyed. A partially ordered triplet could be parsed as an unordered pair and a 3rd object that relates to the pair.
Adjacent-numbered pages: BP904 BP905 BP906 BP907 BP908  *  BP910 BP911 BP912 BP913 BP914
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ordered_triplet_comparison_bp [smaller | same | bigger]
Leo Crabbe