List of Abbreviations

• [CO] Casus obligationis
• [DML] De motu locali
• [IHT] Iuxta hunc textum (Consequentie subtiles Hentisberi)
• [PC] Probationes conclusionum
• [RSS] Regulae solvendi sophismata (=Logica )
• [SCD] De sensu composito et diviso
• [Soph] Sophismata
• [SophAs] Sophismata asinina

General Bibliographical Sources

• Sharpe, Richard, 2001, A Handlist of the Latin Writers of Great Britain and Ireland before 1540. With Additions and Corrections, Turnhout: Brepols. (Scholar)
• Spade, Paul Vincent, 1989, “The Manuscripts of William Heytesbury’s ‘Regulae Solvendi Sophismata’: Conclusions, Notes and Descriptions”, Medioevo, 15: 271–314. (Scholar)
• Weijers, Olga, 1998, Le travail intellectuel à la Faculté des arts de Paris: textes et maîtres (ca. 1200–1500). Répertoire des noms commençant par G, Turnhout: Brepols, pp. 212–217. (Scholar)
• Weisheipl, James A., 1969, “Repertorium Mertonense”, Mediaeval Studies, 31: 174–224. doi:10.1484/j.ms.2.306064 (Scholar)

Manuscripts of Heytesbury’s Texts

• De propositionibus multiplicibus:
  • Cambridge: Gonville and Caius College, ms. 434/434, fols. 19r–21.
  • Venezia: Biblioteca Marciana, lat. VI. 160 (2816), fols. 252r–253v.
• Logica or Regulae solvendi sophismata [RSS]:
  • Bergamo: Biblioteca Civita Angelo Mai 481 (IV 7), fols. 1ra–87rb.
  • Bruges: Openbare Bibliotheek 497, fols. 46–59va.
  • Bruges: Openbare Bibliotheek 500, fols. 33–71va [c. 2–6].
  • Cesena: Biblioteca Malatestiana S. X. 5, fols.117ra–150rb.
  • Erfurt: Wissenschaftliche Allgemeinebibliothek, Amploniana Cms 2^o 135, fols. 1ra–17rb.
  • Erfurt: Wissenschaftliche Allgemeinebibliothek, Amploniana Cms 2^o 313, fols. 195rb–209va [c. 1–5].
  • Erfurt: Wissenschaftliche Allgemeinebibliothek, Amploniana Cms 4^o 270, fols. 1r–30v.
  • Firenze: Biblioteca Riccardiana, 790, fols. 45ra–51va [c. 5], 51vb–59ra [c. 2], 85va–87ra [c. 4, incomplete].
  • Firenze: Biblioteca Riccardiana, 821, fols. 2ra–31va.
  • Kraków: Biblioteka Jagiellońska 621, fols. 23ra–47va.
  • Kraków: Biblioteka Jagiellońska 704, fols.1ra–24ra.
  • Leipzig: Universitätsbibliothek, 529, fols. 152ra–168va.
  • Leipzig: Universitätsbibliothek 1360, fols. 108ra–140vb.
  • Leipzig: Universitätsbibliothek 1370, fols. 2r–39v.
  • London: Wellcome Historical Medical Library 350, fols. 2ra–49rb.
  • Milano: Biblioteca Ambrosiana, MS C 23 fols. 1r–51r.
  • München: Bayerische Staatsbibliothek, Clm 23530, fols. 222v–255r.
  • Oxford: Bodleian Library, Canonici Miscellaneous 221, fols. 60ra–82ra.
  • Oxford: Bodleian Library, Canonici Miscellaneous 429, fols. 1ra–18vb.
  • Oxford: Bodleian Library, Canonici Miscellaneous 456, fols. 1ra–43ra.
  • Padua: Biblioteca Antoniana, Manoscritti 407, fols. 26ra–30va [c. 1], fols. 51ra–54v [c. 2 incomplete].
  • Padua: Biblioteca Universitaria di Padova 1123, fols. 50rb–65va.
  • Padua: Biblioteca Universitaria di Padova 1434, fols. 1ra–20va.
  • Praha: Národní knihovna ČR III.A.11, fols. 1ra–30ra.
  • San Giminiano: Biblioteca e Archivo comunale 25, fols. 4r–73v.
  • Città del Vaticano: Biblioteca Apostolica Vaticana, Chigi. E.V.161, fols. 68v–75v [c. 2].
  • Città del Vaticano: Biblioteca Apostolica Vaticana, Chigi E.VI.193, fols. 35ra–50rb [c. 6 incomplete].
  • Città del Vaticano: Biblioteca Apostolica Vaticana, Ottobon. lat. 662, fols. 121r–127v [ c. 5].
  • Città del Vaticano: Biblioteca Apostolica Vaticana, Vat. lat. 2136, fols. 1ra–32rb.
  • Città del Vaticano: Biblioteca Apostolica Vaticana, Vat. lat. 2138, fols. 89ra–109va.
  • Città del Vaticano: Biblioteca Apostolica Vaticana, Vat. lat. 3144, fols. 39ra–45vb [c. 1–3, 4 incomplete].
  • Venezia: Biblioteca Nazionale San Marco, lat. VIII. 38(3383), fols. 66va–72rb [c. 6].
  • Verona: Biblioteca Civica 2881, fols. 6va–45va.
  • Warszawa: Biblioteka Narodowa III. 8058, fols. 7ra–134vb [c. 1–5].
• Sophismata [Soph]:
  • Paris: Bibliothèque nationale de France 16134, fols. 81ra–146ra.
  • Città del Vaticano: Biblioteca Apostolica Vaticana Vat. lat. 2138, fols. 1ra–86va.
• Probationes conclusionum:
• • Praha: Národní knihovna X.H.11, fols. 45ra–67ra.
  • Città del Vaticano: Biblioteca Apostolica Vaticana Vat. lat. 2189, fols. 13vb–38vb.
  • Venezia: Biblioteca Marciana Lat. Z. 277 (=1728), fols. 34r–46v
  •  

Early Prints of Heytesbury’s and Pseudo-Heytesbury’s Texts

• William Heytesbury, 1491, Regule solvendi sophismata, Venezia: Johannes and Gregorius de Forlivio. (Scholar)
• –––, 1491, Sophismata, Venezia: Johannes and Gregorius de Forlivio. (Scholar)
• –––, 1491, Tractatus de sensu composito et diviso, Venezia: Johannes and Gregorius de Forlivio. (Scholar)
• –––, 1494, Probationes conclusionum, Venezia: Bonetus Locatellus. (Scholar)
• –––, 1494, Regule solvendi sophismata, Venezia: Bonetus Locatellus. (Scholar)
• –––, 1494, Sophismata, Venezia: Bonetus Locatellus. (Scholar)
• –––, 1494, Tractatus de sensu composito et diviso, Venezia: Bonetus Locatellus. (Scholar)
• –––, 1500, Tractatus de sensu composito et diviso, Venezia: Jacobus Pentius de Leuco. (Scholar)

Modern Editions and Translations of Heytesbury’s Texts

• William Heytesbury, 1961, Regulae solvendi sophismata [Part VI. Local motion], in Marshall Clagett, The Science of Mechanics in the Middle Ages (Madison, WI: Wisconsin University Press), pp. 235–242 and 270–283 [partial edition with an English translation based on the 1494 printed edition and mss Bruges, Stadsbibliotheek 497; Bruges, Stadsbibliotheek 500; Città del Vaticano: Biblioteca Apostolica Vaticana, Vat. lat. 2136]. (Scholar)
• –––, 1979, William of Heytesbury on “Insoluble” Sentences, Paul V. Spade (ed. and transl.), Toronto: Pontifical Institute of Medieval Studies. (Scholar)
• –––, 1987, “De insolubilibus Guilelmi Hentisbery”, in Lorenzo Pozzi (ed. and transl.), Il Mentitore e il Medioevo: il dibattito sui paradossi dell’autoriferimento: scelta di testi, commento, traduzione, Parma: Edizioni Zara, pp. 212–251 [based on the 1494 printed edition and mss Città del Vaticano: Biblioteca Apostolica Vaticana, Vat. lat. 2136 and 2138]. (Scholar)
• –––, 1988a, “The Compounded and Divided Senses”, in Norman Kretzmann and Eleonore Stump (ed. and transl.), The Cambridge Translations of Medieval Philosophical Texts, Vol. 1: Logic and Philosophy of Language, Cambridge: Cambridge University Press, pp. 413–434 [based on the 1494 printed edition and several manuscripts]. (Scholar)
• –––, 1988b, “The Verbs ‘Know’ and ‘Doubt’”, in Norman Kretzmann and Eleonore Stump (ed. and transl.), The Cambridge Translations of Medieval Philosophical Texts, Vol. 1: Logic and Philosophy of Language, Cambridge: Cambridge University Press, pp. 435–479 [based on the 1494 printed edition and several manuscripts]. (Scholar)
• –––, 1994, Sophismata asinina: une introduction aux disputes médiévales, Fabienne Pironet (ed.), Paris: Libraire Philosophique J. Vrin. (Scholar)
• –––, Sophismata, edited by Fabienne Pironet [transcription of the 1494 edition]. Sophismata (Part I) available online and Sophismata (Part II) available online.
• –––, 2003, Les traites “Juxta hunc textum” de Guillaume Heytesbury et Robert Alyngton. Edition critique précédée d’une introduction historique et paléographique, Universite de Geneve, Projet Sophismata. available online (Scholar)
• –––, 2008, De insolubilibus, in Fabienne Pironet, “William Heytesbury and the treatment of Insolubilia in 14th-century England”, in Shahid Rahman, Tero Tulenheimo, and Emmanuel Genot (eds.), Unity, Truth and the Liar: The Modern Relevance of Medieval Solutions to the Liar Paradox, Berlin: Springer-Verlag, pp. 283–289 [partial transcription of the 1494 edition]. (Scholar)
• –––, 2020, Regulae solvendi sophismata: De motu locali, in Elżbieta Jung, Robert Podkoński (eds.), Towards the Modern Theory of Motion. Oxford Calculators and the new interpretation of Aristotle, (Research on Science and Natural Philosophy, 4), Łódź: Wydawnictwo Uniwersytetu Łódzkiego, 267–296 [a critical edition using Erfurt, MS Amplon. F. 135 as the basic manuscript; the apparatus records nine mss, with 24 complete mss taken into consideration]. (Scholar)
• –––, 2021, Casus obligationis, in Miroslav Hanke, “The Casus Obligationis Attributed to William Heytesbury”, Cahiers de l’Institut du Moyen-Âge Grec et Latin 90: 226–264. available online (Scholar)

Other Scholastic Sources

• Anonymous, 1984, Tractatus de Maximo et Minimo, John Longeway (ed.) in William Heytesbury On Maxima and Minima. Chapter 5 of “Rules for Solving Sophismata”, with an anonymous fourteenth-century discussion, Dordrecht: D. Reidel Publishing Company, 101–131. (Scholar)
• Anonymous, 2021, Tractatus de sex inconvenientibus, Sabine Rommevaux-Tani (ed.) in Le De sex inconvenientibus, un traite anonyme de philosophies naturelle du XIV^e siècle, Paris: Vrin, 1–253. (Scholar)
• Bradwardine, Thomas (1290?–1349), 1955 [B-TP], Tractatus proportionum seu de proportionibus velocitatum in motibus, H. Lamar Crosby, Jr. (ed. and trans.) in Thomas of Bradwardine His Tractatus de Proportionibus. Its Significance for the Developement of Mathematical Physics, Madison, WI: University of Wisconsin Press. (Scholar)
• –––, 2010 [B-I], Insolubilia, Stephen Read (ed. and trans.), Leuven: Peeters. (Scholar)
• Burley, Walter (c. 1275–1344/45), 1963 [Bu-DO], De obligationibus, in Romuald Green, An Introduction to the Logical Treatise “De obligationibus” with critical texts of William of Sherwood (?) and Walter Burley, Vol. II, doctoral dissertation, Louvain, pp. 34–96. (Scholar)
• –––, 1980 [Bu-DC], “Walter Burley’s De consequentiis: An Edition”, Niels Jørgen Green-Pedersen (ed.), Franciscan Studies, 40: 102–166. doi:10.1353/frc.1980.0008 (Scholar)
• Cajetan of Thiene, 1494, In regulas Gulielmi Hesburi recollectae. In Tractatus Gulielmi Hentisberi de sensu composito et diviso. Regulae eiusdem cum sophismatibus. Declaratio Gaetani supra easdem. Expositio litteralis supra tractatum de tribus. Questio Messini de motu locali cum expletione Gaetani. Scriptum supra eodem Angeli de Fosambruno. Bernardi Torni annotata supra eodem. Simon de Lendenaria supra sex sophismata. Tractatus Hentisberi de veritate et falsitate propositionis. Conclusiones eiusdem, Venezia: Bonetus Locatellus, fols. 7rb–12rb. (Scholar)
• De Benedictis, Giovanni Battista, 1688, Philosophia peripatetica, (vol. I), Napoli: Jacobus Raillard. (Scholar)
• De Medici, Manfredus, 1542, Annotationes eximii artium et medicinae doctoris Divi magistri Manfredi de Medicis supra logicam parvam Pauli Veneti ubi multa adducuntur ex Tisbero, Strodo et Petri Mantuani valde utilia, quae omnia fuerunt diligenter recognita, in Subtilissimae expositiones quaestionesque super Summulis magistri Pauli Veneti una cum argutissimis additionibus Jacobi Ritii Aretini et Manfredi de Medicis, Venezia: Antonius Junte Florentini, fols. 104ra–106vb. (Scholar)
• Kilvington, Richard (c. 1305–1361), 1990, The Sophismata of Richard Kilvington, critical edition of the Latin text Barbara Ensign Kretzmann, Norman Kretzmann, New York: Oxford University Press. (Scholar)
• –––, 2020, q. Utrum in omni motu potentia motoris excedit potentiam rei motae, in Elżbieta Jung, Robert Podkoński (eds.), Towards the Modern Theory of Motion. Oxford Calculators and the new interpretation of Aristotle, (Research on Science and Natural Philosophy, 4), Łódź: Wydawnictwo Uniwersytetu Łódzkiego, pp. 213–266.
• Mair, John, 1505, In Petri Hyspani summulas Commentaria, Lyon: Stephan Gueynard. (Scholar)
• Paul of Pergula (–1455), 1961 [PP-LT], Logica and Tractatus de Sensu Composito et Diviso, Mary Anthony Brown (ed.), St. Bonaventure, NY: The Franciscan Institute. (Scholar)
• Paul of Venice (c.1369–1429), 1990 [PV-LM], Logica magna: Part II, Fascicule 4: Capitula de conditionali et de rationali, George E. Hughes (ed. and trans.), Oxford: Oxford University Press. (Scholar)
• –––, 2002 [PV-LP], Logica Parva: First Critical Edition from the Manuscripts with Introduction and Commentary, Alan R. Perreiah (ed.), Leiden: Brill. (Scholar)
• William of Sherwood (c.1200–c.1270), 1963 [WS], De obligationibus, in Romuald Green, An Introduction to the Logical Treatise “De obligationibus” with critical texts of William of Sherwood (?) and Walter Burley, Vol. II, doctoral dissertation, Louvain, pp. 1–33.
• Thomas of Udine O.P., [?] (15th century) Commentary on Regule solvendi sophismata, ms. Città del Vaticano: Biblioteca Apostolica Vaticana, Vat. lat. 3058, fols. 122ra–128va.

Secondary Sources

• Ashworth, E.J. and Paul Vincent Spade, 1992, “Logic in Late Medieval Oxford”, in J.I. Catto and Ralph Evans (eds.), The History of the University of Oxford. Volume II, Late Medieval Oxford, Oxford: Clarendon Press, pp. 35–64. doi:10.1093/acprof:oso/9780199510122.003.0002 (Scholar)
• Biard, Joël, 1985, “La signification d’objets imaginaires dans quelques texts anglais du XIVe siècle (Guillaume Heytesbury, Henry Hopton)”, in Lewry 1985: 265–283. (Scholar)
• –––, 1989, “Les sophismes du savoir: Albert de Saxe entre Jean Buridan et Guillaume Heytesbury”, Vivarium, 27(1): 36–50. doi:10.1163/156853489x00029 (Scholar)
• Boh, Ivan, 1984, “Epistemic and alethic iteration in later medieval logic”, Philosophia Naturalis, 21: 492–506. (Scholar)
• –––, 1985, “Belief, justification and knowledge. Some late-medieval epistemic concerns”, Journal of the Rocky Mountain Medieval and Renaissance Association, 6: 87–103. [Boh 1985 available online (pdf)] (Scholar)
• –––, 1986, “Elements of Epistemic Logic in the Later Middle Ages”, in Christian Wenin (ed.), L’homme et son univers au moyen âge: actes du septième congrès international de philosophie médiévale (30 août–4 septembre 1982) vol. 2, Louvain-la-Neuve: Éditions de l’Institut supérieur de philosophie, pp. 530–543. (Scholar)
• –––, 1993, Epistemic Logic in the Later Middle Ages, London: Routledge. (Scholar)
• –––, 2000, “Four phases of epistemic logic”, Theoria, 6(2): 129–144. doi: 10.1111/j.1755-2567.2000.tb01159.x (Scholar)
• Bottin, Francesco, 1976, Le Antinomie Semantiche Nella Logica Medievale, Padova: Editrice Antenore. (Scholar)
• –––, 1985, “The Mertonians’ Metalinguistic Sciences and the Insolubilia”, in Lewry 1985: 235–248. (Scholar)
• Courtenay, William J., 2008, Ockham and Ockhamism. Studies in the Dissemination and Impact of His Thought, Leiden: Brill. doi:10.1163/ej.9789004168305.i-420 (Scholar)
• Damerow, Peter, Gideon Freudenthal, Peter McLaughlin, and Jürgen Renn, 1992, Exploring the Limits of Preclassical Mechanics. A Study of Conceptual Development in Early Modern Science: Free Fall and Compounded Motion in the Work of Descartes, Galileo, and Beeckman, New York: Springer-Verlag. doi:10.1007/978-1-4757-3994-7 (Scholar)
• Duhem, Pierre, 1985, Medieval Cosmology: Theories of Infinity, Place, Time, Void, and the Plurality of Worlds, transl. Roger Ariew, Chicago: The University of Chicago Press. [the partial English translation of Le Système du monde] (Scholar)
• de Rijk, Lambert Maria, 1962–1967, Logica Modernorum, Assen: Van Gorcum, vol. I 1962, vol. II parts 1–2 1967. (Scholar)
• –––, 1966, “Some notes on the Mediaeval tract De insolubilibus, with the edition of a tract dating from the end of the twelfth century”, Vivarium, 4: 83–115. doi:10.1163/156853466x00051 (Scholar)
• –––, 1974, “Some Thirteenth Century Tracts on the Game of Obligation”, Vivarium, 12(2): 94–123. doi:10.1163/156853474x00106 (Scholar)
• –––, 1975, “Logica Cantabrigiensis. A Fifteenth Century Cambridge Manual of Logic”, Revue Internationale de Philosophie, 29(113[3]): 297–315. (Scholar)
• –––, 1977, “Logica oxoniensis. An attempt to Reconstruct a Fifteenth Century Oxford Manual of Logic”, Medioevo, 3: 121–164. (Scholar)
• –––, 1982, Some 14th Century Tracts on the Probationes Terminorum, Nijmegen: Ingenium Publishers. (Scholar)
• Dutilh Novaes, Catarina, 2007, “Theory of Supposition vs. Theory of Fallacies in Ockham”, Vivarium, 45(2): 343–359. doi:10.1163/156853407x217812 (Scholar)
• –––, 2008, “A Comparative Taxonomy of Medieval and Modern Approaches to Liar Sentences”, History and Philosophy of Logic, 29(3): 227–261. doi:10.1080/01445340701614464 (Scholar)
• –––, 2016, “Medieval Theories of Consequence”, The Stanford Encyclopedia of Philosophy (Fall 2016 Edition), Edward N. Zalta (ed.), <https://plato.stanford.edu/archives/fall2016/entries/consequence-medieval/>. (Scholar)
• Franklin, James, 2012, “Science by Conceptual Analysis: the Genius of the Late Scholastics”, Studia Neoaristotelica, 9(1): 3–24. [Franklin 2012 available online] doi:10.5840/studneoar2012911 (Scholar)
• Hanke, Miroslav, 2015, Lhářské paradoxy u autorů italské scholastiky, Praha: OIKOYMENH. (Scholar)
• –––, 2018a, “Scholastická logika „vědění“ I.: Axiomy introspekce a iterované modality v logice 14. století”, Studia Neoaristotelica, 15: 127–205. [Hanke 2018a available online] doi:10.5840/studneoar20181558. (Scholar)
• –––, 2018b, “Scholastická logika „vědění“ II.: Axiomy introspekce a iterované modality mezi 15. a 16. stoletím”, Studia Neoaristotelica, 15: 207–262. [Hanke 2018b available online] doi:10.5840/studneoar20181569. (Scholar)
• Johnston, Spencer, 2013, “‘This Is Socrates’: a Mertonian Sophism about Signification”, working Paper WP6/2013/02, Series WP6. Higher School of Economics, National Research University, Moscow. [Johnston 2013 available online] (Scholar)
• Jung–Palczewska, Elżbieta, 2000, “Works by Richard Kilvington”, Archives d’Histoire Doctrinale et Littéraire du moyen âge 67: 181–223. (Scholar)
• –––, 2004, “Why was medieval Mechanics Doomed? The Failure to Substitute Mathematical Physics for Aristotelianism”, in Jan A. Aertsen and Martin Pickavé (eds.), “Herbst des Mittelalters”? Fragen zur Bewertung des 14. und 15. Jahrhunderts, (Miscellanea Mediaevalia Bd. 31), Berlin: Walter de Gruyter, pp. 495–512. (Scholar)
• –––, 2016, “Richard Kilvington”, The Stanford Encyclopedia of Philosophy (Winter 2016 Edition), Edward N. Zalta (ed.), URL = <https://plato.stanford.edu/archives/win2016/entries/kilvington/> (Scholar)
• Jung, Elżbieta, Podkoński, Robert, 2020, Towards the Modern Theory of Motion. Oxford Calculators and the New Interpretation of Aristotle, (Research on Science and Natural Philosophy, 4), Łódź: Wydawnictwo Uniwersytetu Łódzkiego. (Scholar)
• Kaye, Joël, 1998, Economy and Nature in the Fourteenth Century: Money, Market Exchange, and the Emergence of Scientific Thought (Cambridge Studies in Medieval Life and Thought: Fourth Series, 35), Cambridge: Cambridge University Press. doi:10.1017/cbo9780511496523 (Scholar)
• King, Peter, 1991, “Mediaeval Thought-Experiments: The Metamethodology of Mediaeval Science”, in Tamara Horowitz and Gerald Massey (eds.), Thought Experiments in Science and Philosophy, Lanham: Rowman & Littlefield, pp. 43–64. (Scholar)
• Lewry, P. Osmund (ed.), 1985, The Rise of British Logic: Acts of the Sixth European Symposium on Medieval Logic and Semantics, Balliol College, Oxford, 19–24 June 1983, (Papers in Mediaeval Studies, 7), Toronto: Pontifical Institute of Mediaeval Studies. (Scholar)
• Longeway, John, 1984, William Heytesbury On Maxima and Minima. Chapter 5 of “Rules for Solving Sophismata”, with an anonymous fourteenth-century discussion, Dordrecht: D. Reidel Publishing Company. (Scholar)
• –––, 2011, “William Heytesbury”, in Henrik Lagerlund (ed.), Encyclopedia of Medieval Philosophy: Philosophy between 500 and 1500, Dordrecht: Springer, pp. 1397–1399. (Scholar)
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• –––, 1993, “The Sophism ‘Omnis propositio est vera vel falsa’ by Henry Hopton (Pseudo-Heytesbury’s ‘De veritate et falsitate propositionis’)”, in Stephen Read (ed.), Sophisms in Medieval Logic and Grammar. Acts of the Ninth European Symposium for Medieval Logic and Semantics, held at St Andrews, June 1990, Dordrech: Kluwer, pp. 103–115. (Scholar)
• –––, 2004, “Mental Language and Italian Scholasticism in the Fourteenth and Fifteenth Centuries”, in Russell L. Friedman and Sten Ebbesen (eds.), John Buridan and Beyond: Topics in the Language Sciences, 1300–1700, Copenhagen: Det Kongelige Danske Videnskabernes Selskab, pp. 33–67. (Scholar)
• Murdoch, John E., 1991, “Pierre Duhem and the History of Late Medieval Science and Philosophy in the Latin West”, in Gli Studi Di Filosofia Medievale Fra Otto E Novecento contributo a un bilancio storiografico. Atti del convegno internazionale, Roma, 21–23 settembre 1989, eds. Ruedi Imbach and Alfonso Maierù, Roma: Edizioni di Strria e Letteratura, 253–302. (Scholar)
• Pasnau, Robert, 1995, “William Heytesbury on Knowledge: Epistemology without Necessary and Sufficient Conditions”, History of Philosophy Quarterly, 12(4): 347–366. (Scholar)
• Pironet, Fabienne, 1993, “‘The Sophismata asinina’ of William Heytesbury”, in Stephen Read (ed.), Sophisms in Medieval Logic and Grammar. Acts of the Ninth European Symposium for Medieval Logic and Semantics, held at St Andrews, June 1990, Dordrech: Kluwer, pp. 128–143. (Scholar)
• –––, 2001, “Insolubles and Obligations”, in Mikko Yrjönsuuri (ed.), Medieval Formal Logic. Obligations, Insolubles and Consequences, Dordrecht: Kluwer, pp. 95–114. (Scholar)
• –––, 2008, “William Heytesbury and the treatment of Insolubilia in 14th-century England”, in Shahid Rahman, Tero Tulenheimo, Emmanuel Genot (eds.), Unity, Truth and the Liar: The Modern Relevance of Medieval Solutions to the Liar Paradox, Berlin: Springer-Verlag, pp. 251–327. (Scholar)
• Pozzi, Lorenzo (ed. and transl.), 1987, Il Mentitore e il Medioevo: il dibattito sui paradossi dell’autoriferimento: scelta di testi, commento, traduzione, Parma: Edizioni Zara. (Scholar)
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• Rommevaux-Tani, Sabine, 2017, La détermination de la rapidité d’augmentation dans le ‘De sex inconvenientibus’: comparaison avec les développements sur le même sujet de William Heytesbury, in “Miroir de l’amitié: mélanges offerts à Joël Biard”, Christophe Grellard (ed.), Paris: Vrin, pp. 153-162. (Scholar)
• –––, 2022, Le De sex inconvenientibus, un traite anonyme de philosophies naturelle du XIV^e siècle, Paris: Vrin, pp. I–CXVII. (Scholar)
• Roure, Marie Louise, 1970, “La problématique des propositions insolubles au XIIIe siècle et au début du XIVe, suivie de l’édition des traités de W. Shyreswood, W. Burleigh et Th. Bradwardine”, Archives d’histoire doctrinale et littéraire du moyen âge, 37: 205–326. (Scholar)
• Sinkler, Georgette, 1989, “William Heytesbury’s Word-Order Theory of Propositional Sense”, Journal of the History of Philosophy, 27(3): 365–377. doi:10.1353/hph.1989.0049 (Scholar)
• Spade, Paul Vincent, 1975, The Mediaeval Liar: A Catalogue of the Insolubilia-Literature, Toronto: Pontifical Institute of Mediaeval Studies. (Scholar)
• –––, 1976, “William Heytesbury’s Position on ‘Insolubles’: One Possible Source”, Vivarium, 14(2): 114–120. doi:10.1163/156853476x00078 (Scholar)
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