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ID

https://w3id.org/np/RAPZy_zxYnL2Ly--AORi9mIRX2gMsxs6IockxFuBf0Kvk

Formats

.trig | .trig.txt | .jelly | .jelly.txt | .jsonld | .jsonld.txt | .nq | .nq.txt | .xml | .xml.txt

Content

@prefix this: <https://w3id.org/np/RAPZy_zxYnL2Ly--AORi9mIRX2gMsxs6IockxFuBf0Kvk> .
@prefix sub: <https://w3id.org/np/RAPZy_zxYnL2Ly--AORi9mIRX2gMsxs6IockxFuBf0Kvk/> .
@prefix np: <http://www.nanopub.org/nschema#> .
@prefix dct: <http://purl.org/dc/terms/> .
@prefix d: <https://provenance.example/tarski-lean/> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix orcid: <https://orcid.org/> .
@prefix prov: <http://www.w3.org/ns/prov#> .
@prefix npx: <http://purl.org/nanopub/x/> .

sub:Head {
  this: a np:Nanopublication;
    np:hasAssertion sub:assertion;
    np:hasProvenance sub:provenance;
    np:hasPublicationInfo sub:pubinfo .
}

sub:assertion {
  d:artifact-Tarski-lean dct:license <http://www.apache.org/licenses/LICENSE-2.0>;
    d:authorIdentityBinding orcid:0000-0002-8042-4131;
    d:commitAuthorEmail "myle54xton@gmail.com";
    d:commitAuthorName "Myles Axton";
    d:commitDate "2026-08-07T10:03:56Z"^^xsd:dateTime;
    d:commitMessage "Add copyright and license information to Tarski.lean";
    d:commitSha "802b1d583032c44ea9affb2a61b0c8cda6c60b72";
    d:copyrightLineQuoted "Copyright 2026 John Myles Axton orcid:0000-0002-8042-4131";
    d:copyrightLineSourceLocation "Tarski.lean, line 2 (top-of-file comment block)";
    d:hasNamespace "Synthetic (Lean namespace; declarations are qualified as Synthetic.<name>, e.g. Synthetic.cong_refl)";
    d:licenseEvidence "Two independent, mutually consistent sources: (1) the file's own header states 'Licensed under the Apache License, Version 2.0'; (2) the GitHub repository API (api.github.com/repos/johnmaxton/lean4-starter) reports license.spdx_id = 'Apache-2.0', backed by a LICENSE file at repo root matching the standard Apache 2.0 text.";
    d:priorCommitDate "2026-07-18T14:18:18Z"^^xsd:dateTime;
    d:priorCommitMessage "Add Tarski's synthetic Euclidean geometry (Stages 0-4)";
    d:priorCommitSha "90018aec70b2bb8950c1045cac443731825d79ef" .
  
  d:cite-dependency-free a d:CheckedClaim;
    rdfs:label "File is dependency-free (compiles with core Lean 4 alone, no Mathlib)";
    d:asClaimedByArtifact "This file is dependency-free: it compiles with core Lean 4 alone (`lean Tarski.lean`), no Mathlib required.";
    d:verificationMethod "grep for '^import' in Tarski.lean returned zero matches; lake-manifest.json at the pinned commit lists packages: [] (zero external dependencies); the successful build in NP-A used only this manifest.";
    d:verificationResult "CONFIRMED (this claim is machine-verifiable and is additionally recorded in NP-A's compilation evidence)." .
  
  d:cite-geocoq-authors a d:CheckedCitation;
    rdfs:label "GeoCoq project authorship";
    d:asClaimedByArtifact "GeoCoq (J. Narboux, M. Beeson, P. Boutry, G. Braun, C. Gries, P. Schreck, et al.): the first machine-checked ascent.";
    d:verificationNote "The repo's top-level AUTHORS file lists Beeson, Boutry, Braun, Gries, Kastenbaum, Narboux (omitting Schreck); the coq-geocoq-axioms.opam package metadata's authors field lists exactly Beeson, Braun, Boutry, Gries, Narboux, Schreck -- matching the artifact's six named credits verbatim. Both sources were checked; the opam file is the one that fully confirms the claim as written.";
    d:verifiedAgainst <https://raw.githubusercontent.com/GeoCoq/GeoCoq/master/coq-geocoq-axioms.opam> .
  
  d:cite-geocoq-l7_13 a d:CheckedCitation;
    rdfs:label "GeoCoq lemma l7_13 corresponds to SST chapter 7 (midpoint / point reflection)";
    d:asClaimedByArtifact "The capstone is SST 7.13 (GeoCoq l7_13): point reflection preserves congruence.";
    d:verificationNote "GeoCoq's official documentation page confirms l7_13 is defined in the Ch07_midpoint module and concerns congruence preservation under point-reflection/midpoint symmetry, consistent with the artifact's claim that it corresponds to SST theorem 7.13. This is a spot-check of one specific chapter/lemma pairing, not a verification of every 'SST n.m' tag in the file (see NP-D).";
    d:verifiedAgainst <https://geocoq.github.io/GeoCoq/html/GeoCoq.Tarski_dev.Ch07_midpoint.html> .
  
  d:cite-sst-1983 a d:CheckedCitation;
    rdfs:label "Schwabhäuser, Szmielew, Tarski, \"Metamathematische Methoden in der Geometrie\", Springer-Verlag, Berlin, 1983";
    d:asClaimedByArtifact "W. Schwabhäuser: completed and published SST (1983); the \"SST n.m\" tags cite all three authors.";
    d:verificationNote "Title, three authors, publisher, and 1983 date confirmed via Springer Link and a Journal of Symbolic Logic review. Chapter-by-chapter content of the book was NOT opened or checked against the artifact's per-stage chapter tags (see NP-D, negative space) except for the single spot-check in d:cite-geocoq-l7_13 below.";
    d:verifiedAgainst <https://link.springer.com/book/10.1007/978-3-642-69418-9>, <https://www.cambridge.org/core/journals/journal-of-symbolic-logic/article/abs/wolfram-schwabhauser-wanda-szmielew-and-alfred-tarski-ein-axiomatischer-aujbau-der-euklidischen-geometrie-metamathematische-methoden-in-der-geometrie-hochschultext-springerverlag-berlin-etc-1983-pp-1171-wolfram-schwabhauser-metamathematische-betrachtungen-metamathematische-methoden-in-der-geometrie-pp-173457/47332AEED25CD5AB54C9A989C7D1718B> .
  
  d:cite-tarski-givant-1999 a d:CheckedCitation;
    rdfs:label "Tarski & Givant, \"Tarski's System of Geometry\", Bulletin of Symbolic Logic, vol. 5, no. 2, pp. 175-214, 1999";
    d:asClaimedByArtifact "A. Tarski (1926-27; Tarski & Givant, BSL 1999): the axiom system and the completeness/decidability metatheorems.";
    d:verificationNote "Publication venue, volume, issue, and page range (175-214) confirmed as consistent across PhilPapers, Semantic Scholar, and Cambridge Core listings.";
    d:verifiedAgainst <https://philpapers.org/rec/TARTSO>, <https://www.semanticscholar.org/paper/Tarski's-System-of-Geometry-Tarski-Givant/f9dc27b0f3f9436f0b194ecc6f558a74d346e0e6> .
}

sub:provenance {
  d:activity-ground a prov:Activity;
    rdfs:label "Build theorem-to-source concordance; check external historical/authorship claims against citable sources";
    prov:wasAssociatedWith d:agent-claude-sonnet-5 .
  
  d:agent-claude-sonnet-5 a prov:SoftwareAgent;
    rdfs:label "Claude Sonnet 5 (Anthropic), running as Claude Code" .
  
  sub:assertion dct:description "Each statement here was checked against a specific, cited, dereferenceable external document during this session (via HTTP fetch and web search), not recalled from training data. Where a claim's underlying content could not be checked in full (e.g. every 'SST n.m' chapter tag), that limit is stated explicitly in d:verificationNote rather than extended by inference.";
    prov:wasDerivedFrom <https://api.github.com/repos/johnmaxton/lean4-starter>, <https://geocoq.github.io/GeoCoq/html/GeoCoq.Tarski_dev.Ch07_midpoint.html>,
      <https://github.com/johnmaxton/lean4-starter/blob/802b1d583032c44ea9affb2a61b0c8cda6c60b72/Tarski.lean>,
      <https://link.springer.com/book/10.1007/978-3-642-69418-9>, <https://philpapers.org/rec/TARTSO>,
      <https://raw.githubusercontent.com/GeoCoq/GeoCoq/master/coq-geocoq-axioms.opam>;
    prov:wasGeneratedBy d:activity-ground .
}

sub:pubinfo {
  this: dct:created "2026-08-10T12:57:30Z"^^xsd:dateTime;
    dct:creator orcid:0000-0002-8042-4131;
    dct:license <https://creativecommons.org/licenses/by/4.0/>;
    rdfs:label "Tarski.lean: license, authorship, and historical-citation grounding (source-verified)";
    d:verificationBucket d:SourceVerified .
  
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    npx:hasSignature "cQjcMTuBG6lzr3xucx4Xaq9ahrq64h700CRi9bgyn+2JmJ97tmSftMy9Vj4AjcbGrgECMLHwD9qdsZXzPThZLhtd5MIpGvcZ7ea9hVlPb2Qf5yYqmN99GKWjRFyL7zsRSlOsPLNxsCgP18aJhGbhEO+AkWrx7rJWHbYmS0ffiKZTT+Gu5G9z0HsrKrZUvlDTj/NVBhbr61Kjbi7gA5PuuWrbry7mSiLX+5RBBbx13uirDTGzsVMBtMqHSIocP8AS0VLjVaD2Ct+8Cb1NmxKyX1U5l7EuZkHJBgp/vFo4YG0/SWYJnDz7Ket4Fl/Bp/cABALsxfV/P0/MjxMj8WwtWQ==";
    npx:hasSignatureTarget this:;
    npx:signedBy orcid:0000-0002-8042-4131 .
}