Search Bodleian Incunables:

If your search term consists of multiple words, you can choose how to search:



Bod-Inc: G-308

Guilelmus Hentisberus

Regulae solvendi sophismata, et al. (ed. Johannes Petrus de la Porta).


Analysis of Content

a2r Guilelmus Hentisberus: Regulae solvendi sophismata. Edited by Johannes Petrus de la Porta. Incipit: ‘[R]egulas soluendi sophismata non ea quidem . . .’ See Paul Vincent Spade, ‘The Manuscripts of William Heytesbury's Regulae solvendi sophismata: Conclusions, Notes and Descriptions', Medioevo, 15 (1989), 271-313, with this edition described at 304-5, no. 34; also Heytesbury, On Minima et Maxima: Chapter 5 of the Rules for Solving Sophismata, trans. J. Longeway (Dordrecht, 1984), and Heytesbury, On ‘Insoluble' Sentences': Chapter One of his Rules for Solving Sophisms, trans. Paul Vincent Spade (Toronto, 1979). See also James A. Weisheipl, ‘Repertorium Mertonense', Mediaeval Studies, 31 (1969), 174-224, at 215-16, no. 8; Sharpe, Latin Writers, no. 2082.

2a1r Strodus, [Ranulphus: Introduction to Consequentiae.] Incipit: ‘[C]onsequentia est illatio consequentis et antecedentis, et quia poterit aliquod . . .’

2a1r [Table of contents.]

2a2r Strodus, [Radulphus]: Consequentiae. Edited by Johannes Petrus de la Porta. Incipit: ‘[H]abitis ergo modis pretactis sciendum est quod in quolibet . . .’ ed. W. K. Seaton, Ph.D. dissertation, University of California, Berkeley, Calif., 1973; see Sharpe, Latin Writers, no. 1260.

A1r Guilelmus Hentisberus: Sophismata. Edited by Johannes Petrus de la Porta. Incipit: ‘[O]mnis homo est omnis homo probatur iste homo est . . .’ See Weisheipl, ‘Repertorium Mertonense', 214-15, no. 7a; Thorndike–Kibre 997; and Sharpe, Latin Writers, no. 2082. The editor's name is given in the colophon.

Q5r [Colophon.]

Q5r ‘Tabula Sophismatum.’


Imprint: Pavia: Antonius de Carcano, 3 Nov. 1481. Folio.


Collation: a8 b–e6 2a8 b4 A6 B8 C–H8.6 I–L8 M6 N4 O–Q6.

Remarks: Gathering B has eight leaves as GW, not six as BMC.


ISTC: ih00054500

GW: GW 11900;

Hain: H 8439; CR 2913;


Proctor: Pr 7054;

Others: Sheppard 5824.

LCN: 14456949


Copy number: G-308(1)

Bound with:
1. Gaspar Lax, Termini. [Paris:] Hémon le Fevre, [c.1515].

Wanting gatherings1 a–e, and2 a–b, containing the Regulae solvendi sophismata and Radulphus Strodus, Consequentiae.

Leaf A4 is blank. Gathering B is of eight leaves, although the fourth sheet is not allowed for in the register.

Binding: Nineteenth-century English blind-tooled calf; bound for the Bodleian Library.

Size: 277 × 194 × 27 mm.

Size of leaf: 268 × 180 mm.

Marginal annotations in both items and titles in item 2 in black ink in a number of sixteenth-century hands.

Provenance: Probably the copy mentioned in the Benefactors' Register I 63, bought with money given by Martin Heton, Bishop of Ely (1552-1609), in 1603; see Letters of Sir Thomas Bodley, 15-16, James, Catalogus (1605), 346 (item 1), 337 (item 2), and James, Catalogus (1620), 287 (item 1), 248 (item 2), both listed in both catalogues as C 1.7 Art; former shelfmark(?) on fore-edge.

Former Bodleian shelfmark: C 1.7 Art.

SHELFMARK: Auct. 2Q 3.18(2).

Go to top of page