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mk: sortedo — list is non-decreasing (intarith)
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Three conde clauses: empty list / singleton list / two-or-more (where
the first two satisfy lteo-i and the rest is recursively sorted). Uses
ground-only integer comparison (intarith), so the input list must
walk to ground integers.

7 new tests, 463/463 cumulative.
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giles
2026-05-08 12:10:52 +00:00
parent 6454603568
commit c4b6f1fa0f
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@@ -173,6 +173,7 @@ _(none yet)_
_Newest first._
- **2026-05-08** — **sortedo (intarith)**: list is non-decreasing under integer ordering. Three conde clauses: empty / singleton / pair-and-recurse. Uses lteo-i for the adjacent-pair check (ground integers). 7 new tests, 463/463 cumulative.
- **2026-05-08** — **subseto**: every element of l1 is a member of l2. Recurses on l1, checking each element via membero. Allows duplicates in l1 (each independently in l2). 7 new tests, 456/456 cumulative.
- **2026-05-08** — **cycle-free path search**: mitigation for the cyclic-graph divergence — thread a accumulator through the recursion, gate each step with nafc + membero on visited. Terminates on graphs with cycles; no Phase-7 tabling required for the simple case. 3 new tests, 449/449 cumulative.
- **2026-05-08** — **removeo-allo**: removes every occurrence of x (vs rembero, which removes only the first). Three conde clauses: empty -> empty; head matches -> skip and recurse; head differs (nafc) -> keep and recurse. 5 new tests, 446/446 cumulative.