FA-100257 / Dataset deduplication grouping / Member archive
Dataset deduplication: token permutations are treated as distinct documents · case 02
token permutations are treated as distinct documents.
Case contract
Return the number of distinct token sets. Token order and multiplicity do not matter.
Why this case matters
This deterministic toy operation makes one dataset equivalence or representative rule explicit.
One recorded failure
Sample boundary fixtureThis sample comes from the broken implementation of a controlled reproducer.
| Boundary fixture | Actual | Expected | Outcome |
|---|---|---|---|
| permutation | 2 | 1 | Failed |
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