32. See the Introduction for mention of the intriguing relationship between the Preliminary Discourse and the heretical thesis of the abbé de Prades, defended at the Sorbonne on November 18, 1751, several months following the appearance of the first volume of the Encyclopedia. Rumors passed about that Diderot or d’Alembert had written the thesis, or at least inspired it—there were passages in it directly from the Discourse —and this statement about a forthcoming theological work of Yvon and de Prades seemed to be damning evidence that the editors had some part in it. D’Alembert claimed to have had nothing to do with it in the Editors' Preface to volume III, p. i.


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