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Dyson\u2019s argument against the perturbative expansion of quantum field theoretic terms, in a radical form (never pursued by Dyson), is an example of epistemology taken as ontology.<\/jats:p>","DOI":"10.3390\/axioms12010072","type":"journal-article","created":{"date-parts":[[2023,1,11]],"date-time":"2023-01-11T04:59:58Z","timestamp":1673413198000},"page":"72","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":1,"title":["Functional Epistemology \u201cNullifies\u201d Dyson\u2019s Rebuttal of Perturbation Theory"],"prefix":"10.3390","volume":"12","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-6554-2802","authenticated-orcid":false,"given":"Karl","family":"Svozil","sequence":"first","affiliation":[{"name":"Institute for Theoretical Physics, TU Wien, Wiedner Hauptstrasse 8-10\/136, 1040 Vienna, Austria"}]}],"member":"1968","published-online":{"date-parts":[[2023,1,11]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"145","DOI":"10.1093\/mind\/XLIII.170.145","article-title":"The Refutation of Realism","volume":"43","author":"Stace","year":"1934","journal-title":"Mind"},{"key":"ref_2","doi-asserted-by":"crossref","first-page":"44","DOI":"10.2307\/420946","article-title":"Platonism and Mathematical Intuition in Kurt G\u00f6del\u2019s Thought","volume":"1","author":"Parsons","year":"1995","journal-title":"Bull. 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