Preprint Version: v2.0 Author Information Author: Baichen Yi Affiliation: Independent Researcher, Xi'an 710000, Shaanxi, China ORCID: 0009-0008-6242-7743 Corresponding Author: Baichen Yi Email: ybcbenxin@163.com Conflict of Interest Statement: All authors declare no conflicts of interest related to this work. Author Position Statement The author is an independent researcher outside the academic community. This study is completed based on the author's long-term first-principles observations of complex systems in the real world, using theoretical logical analysis methods. This paper is publicly released as a preprint to provide a new analytical perspective and exploratory direction for professional researchers in relevant fields. It does not seek peer review recognition from traditional academic journals, and sincerely invites domain experts to conduct independent empirical verification and academic dialogue based on the framework presented in this paper. Series Positioning Statement This paper conducts cross-domain logical consistency testing based on the theoretical foundation of the first paper in the series: MFY Three-Variable Steady-State Model: A Psychological Theory Natively Grown from a Pure Self-Healing Case (Version 2.1, DOI: 10.5281/zenodo.20523203). All core variable definitions, conduction paths, and closed-loop rules in this paper are fully aligned with Version 2.1 of the first paper. Copyright License This preprint is licensed under the CC BY-NC-ND 4.0 International License. It is open for global sharing and redistribution under the conditions of proper attribution, non-commercial use, and no derivative works of the original text. Special Authorization Statement: The author specifically authorizes any individual or institution to translate the full text or part of this paper into other languages. Translated versions must retain the core logic of the original text and indicate the original source and author information. The full license agreement is available at: https://creativecommons.org/licenses/by-nc-nd/4.0/ Structured Abstract Background: Existing evolutionary theories have formed complete explanatory closed loops at the biological and cognitive levels, but both share an absence of the value dimension. Various specialties in modern medicine have developed a large number of gold-standard paradigms tested by long-term clinical practice, yet lack a unified underlying analytical framework. Methods: Based on the natively and independently generated MFY three-variable steady-state model (Anchor M - Direction F - Expectation Y), this paper adopts the theoretical logical consistency test method. It selects seven mature gold-standard paradigms of modern medicine covering the full life cycle and one classic syndrome differentiation system of traditional Chinese medicine to conduct a systematic isomorphism analysis of the cross-domain logical self-consistency of the MFY model. Results: All medical paradigms included in the analysis show high structural isomorphism and logical consistency with the underlying steady-state regulation logic of the MFY model. They all follow the core structure of "Anchor-Direction-Regulation" and the intervention path of "Expectation Reconstruction → Direction Calibration → Anchor Manifestation", suggesting that this model may have captured a common underlying structure for steady-state regulation of complex open systems. Conclusions: The MFY framework provides a complementary explanation for the absence of the value dimension in existing evolutionary theories, and offers a cross-disciplinary new tool for the unified analytical language across medical specialties and the decision structuring in clinical psychology. Its cross-domain universality and clinical validity await subsequent independent empirical verification.
Baichen YI (Mon,) studied this question.
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