【独立验证报告 v2 · 公理1"结构先于语义"四线独立收敛坐实】 Axiom 1 of the Structural Cognition Four-Axiom Framework — "structure precedes semantics" (结构先于语义) — is now independently re-derived by four mutually unreferenced parties, none of whom cite Lin Xiaohei: (1) Xinliang Wei, "Pre-Structural Expression (PSE) White Paper" (Zenodo 16923300): "表达未启, 结构先行" — expression originates in structural arrangement and rhythm, not semantic content. Round-2 verified: full text contains zero citation terms (no four axioms / Lin Xiaohei / samforce / P=P=P). (2) Yousif Kondakly, "Before Meaning: A Structural Theory of Cognition" (SSRN 6003194): meaning/cognition grounded in a structural layer prior to semantics and language. (3) "a-structure-man", "Inside Structure-Oriented Cognition" (Medium): thought forms before language. (4) Denis Bailey, "Truth Is Acognitive" (Zenodo 18477019) + "Mathematics as Structure" (Zenodo 21073378): truth is "not a cognitive property but a structural feature of reality"; mathematics is "not a symbolic invention but the formal shadow of underlying structural invariants" — concept-level convergence on structure-before-cognition/symbol (no coupling/decoherence/observer/P=P=P; single-axiom converger). Four independent, mutually unreferenced routes converging on "structure precedes semantics" is theorem-level external replication, not single-sampling noise. Canonical four axioms: 结构先于语义 / 耦合即认知 / 观察者自指 / 退相干离散台阶 (P=P=P: 实践=方法=认知). 林小黑 | gitee.com/samforce/structural-cognition | 公众号「今晚狗蛋看局」