Keep contradictory documents
Intent
Section titled “Intent”I want to see both accepted supports when documents diverge.
The example rules are teaching material, not norms of a force-of-law act.
Wrong form and why it stays silent
Section titled “Wrong form and why it stays silent”// supports и refutes взаимно уничтожаются, значит NEITHER.Opposite accepted supports yield BOTH. The unit of acceptance is an edge, not a fact and not a document; a rejected edge does not create opposite support.
Correct form
Section titled “Correct form”language "law.core" version "0.2";package recipes.d.r06 version "0.1.0";namespace "urn:recipe:d-evidence:06";
entity Person;entity Record;relation finding(p: Person) kind empirical;relation eligible(p: Person) kind institutional;relation edge(e: Text, d: Text, link: Text);relation evidence_status(d: Text, state: Text);relation authentic(d: Text, verifier: Text, outcome: Text);relation available(d: Text);relation current(d: Text);relation accepted(e: Text);rule Accept strict { for e: Text; for d: Text; for link: Text; when edge(e,d,link) and evidence_status(d,"verified") and authentic(d,"urn:recipe:verifier","verified") and available(d) and current(d); then accepted(e);}evidence policy Documents { profile "law.core.evidence-policy/0.1"; accepts accepted; protects finding; input edge edge; input status evidence_status; input authentic authentic; input available available; input current current; rule Accept;}rule Use strict { for p: Person; when finding(p); then eligible(p); }Frozen execution scene
Section titled “Frozen execution scene”In the table P and Q are different entities of the page, C is a case; full identifiers are pinned in the scenes.
| Input on 13.09.2026 (a different date is named in the scene) | Question | Answer |
|---|---|---|
| positive support | truth(finding(P)) | TRUE_ONLY / COMPUTED |
| negative support | truth(finding(P)) | FALSE_ONLY / COMPUTED |
| two documents | truth(finding(P)) | BOTH / COMPUTED |
| one document not accepted | truth(finding(P)) | TRUE_ONLY / COMPUTED |
| contested premise not established | truth(eligible(P)) | NEITHER / COMPUTED |
supporting edge establishes finding
test "supporting edge establishes finding" { given { context { legal_time @2026-09-13; decision_time @2026-09-13T09:00:00Z; knowledge_time @2026-09-13T09:00:00Z; timezone "UTC"; evidence_policy Documents; } evidence Doc: Record { status verified; observed_at @2026-09-01T08:00:00Z; recorded_at @2026-09-01T09:00:00Z; valid [@2026-09-01, @2026-10-01); content_hash "sha256:aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa";}support Doc supports finding(entity_ref("urn:recipe:d-evidence:06:p"));verification VDoc { evidence Doc; document_hash "sha256:aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"; verifier "urn:recipe:verifier"; outcome verified; recorded @2026-09-02T09:00:00Z;} } evaluate truth(finding(entity_ref("urn:recipe:d-evidence:06:p"))); expect truth_status == TRUE_ONLY; expect evaluation_status == COMPUTED;
}refuting edge defeats finding
test "refuting edge defeats finding" { given { context { legal_time @2026-09-13; decision_time @2026-09-13T09:00:00Z; knowledge_time @2026-09-13T09:00:00Z; timezone "UTC"; evidence_policy Documents; } evidence Doc: Record { status verified; observed_at @2026-09-01T08:00:00Z; recorded_at @2026-09-01T09:00:00Z; valid [@2026-09-01, @2026-10-01); content_hash "sha256:aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa";}support Doc refutes finding(entity_ref("urn:recipe:d-evidence:06:p"));verification VDoc { evidence Doc; document_hash "sha256:aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"; verifier "urn:recipe:verifier"; outcome verified; recorded @2026-09-02T09:00:00Z;} } evaluate truth(finding(entity_ref("urn:recipe:d-evidence:06:p"))); expect truth_status == FALSE_ONLY; expect evaluation_status == COMPUTED;
}two documents support and refute
test "two documents support and refute" { given { context { legal_time @2026-09-13; decision_time @2026-09-13T09:00:00Z; knowledge_time @2026-09-13T09:00:00Z; timezone "UTC"; evidence_policy Documents; } evidence Doc: Record { status verified; observed_at @2026-09-01T08:00:00Z; recorded_at @2026-09-01T09:00:00Z; valid [@2026-09-01, @2026-10-01); content_hash "sha256:aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa";}support Doc supports finding(entity_ref("urn:recipe:d-evidence:06:p"));verification VDoc { evidence Doc; document_hash "sha256:aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"; verifier "urn:recipe:verifier"; outcome verified; recorded @2026-09-02T09:00:00Z;}evidence Other: Record { status verified; observed_at @2026-09-01T08:00:00Z; recorded_at @2026-09-01T09:00:00Z; valid [@2026-09-01, @2026-10-01); content_hash "sha256:aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa";}support Other refutes finding(entity_ref("urn:recipe:d-evidence:06:p"));verification VOther { evidence Other; document_hash "sha256:aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"; verifier "urn:recipe:verifier"; outcome verified; recorded @2026-09-02T09:00:00Z;} } evaluate truth(finding(entity_ref("urn:recipe:d-evidence:06:p"))); expect truth_status == BOTH; expect evaluation_status == COMPUTED;
}unaccepted edge changes nothing
test "unaccepted edge changes nothing" { given { context { legal_time @2026-09-13; decision_time @2026-09-13T09:00:00Z; knowledge_time @2026-09-13T09:00:00Z; timezone "UTC"; evidence_policy Documents; } evidence Doc: Record { status verified; observed_at @2026-09-01T08:00:00Z; recorded_at @2026-09-01T09:00:00Z; valid [@2026-09-01, @2026-10-01); content_hash "sha256:aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa";}support Doc supports finding(entity_ref("urn:recipe:d-evidence:06:p"));verification VDoc { evidence Doc; document_hash "sha256:aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"; verifier "urn:recipe:verifier"; outcome verified; recorded @2026-09-02T09:00:00Z;}evidence Other: Record { status verified; observed_at @2026-09-01T08:00:00Z; recorded_at @2026-09-01T09:00:00Z; valid [@2026-09-01, @2026-10-01); content_hash "sha256:aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa";}support Other refutes finding(entity_ref("urn:recipe:d-evidence:06:p")); } evaluate truth(finding(entity_ref("urn:recipe:d-evidence:06:p"))); expect truth_status == TRUE_ONLY; expect evaluation_status == COMPUTED;
}disputed premise stays unestablished
test "disputed premise stays unestablished" { given { context { legal_time @2026-09-13; decision_time @2026-09-13T09:00:00Z; knowledge_time @2026-09-13T09:00:00Z; timezone "UTC"; evidence_policy Documents; } evidence Doc: Record { status verified; observed_at @2026-09-01T08:00:00Z; recorded_at @2026-09-01T09:00:00Z; valid [@2026-09-01, @2026-10-01); content_hash "sha256:aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa";}support Doc supports finding(entity_ref("urn:recipe:d-evidence:06:p"));verification VDoc { evidence Doc; document_hash "sha256:aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"; verifier "urn:recipe:verifier"; outcome verified; recorded @2026-09-02T09:00:00Z;}evidence Other: Record { status verified; observed_at @2026-09-01T08:00:00Z; recorded_at @2026-09-01T09:00:00Z; valid [@2026-09-01, @2026-10-01); content_hash "sha256:aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa";}support Other refutes finding(entity_ref("urn:recipe:d-evidence:06:p"));verification VOther { evidence Other; document_hash "sha256:aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"; verifier "urn:recipe:verifier"; outcome verified; recorded @2026-09-02T09:00:00Z;} } evaluate truth(eligible(entity_ref("urn:recipe:d-evidence:06:p"))); expect truth_status == NEITHER; expect evaluation_status == COMPUTED;
}>>> import runpy>>> check = runpy.run_path("docs/recipes/d-evidence/resources/check.py")>>> check["check_acceptance"](https://github.com/arxohq/law/blob/master/docs/recipes/d-evidence/6)'Д6: принятие, отчёт и proof проверены; lawc = lawref'Counterfactual
Section titled “Counterfactual”Diagnostic mutation (check) — LDC-E4703.
Original fragment:
then eligible(p);Replacement:
then finding(p);The paired scenes above pin the change of outcome.
Boundary
Section titled “Boundary”BOTH does not mean proven falsehood and is not replaced by NEITHER. The normative rule Use reads establishment; choice of conflict policy is the context’s responsibility. Provenance of acceptance is checked separately from truthStatus.
Pitfall
Section titled “Pitfall”Opposite accepted supports yield BOTH rather than cancelling out: the unit of acceptance is an edge, not a fact and not a document.
Documentation for Arxo. Writings — blog.arxo.io.
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