| 書 名 | On "insoluble" sentences :: chapter one of his Rules for solving sophisms |
| 作 者 | William Heytesbury ; translated with an introd. and study by Paul Vincent Spade. |
| 出 版 項 | Toronto :; Pontifical Institute of Mediaeval Studies,; 1979. |
| 稽 核 項 | 111 p. ;; 20 cm. |
| 標 題 | Insolubilia (Logic) |
| 標 題 | Logic, Medieval. |
| 集 叢 | Mediaeval sources in translation ; |
| 附 註 項 | Translation of chapter 1 of Regulae solvendi sophismata. |
| 附 註 項 | Includes indexes. |
| 書 目 註 | Bibliography: p. [97]-101. |
| ISBN | 088844270X (pbk.) |
| LCCN | 80473411 |