Ms: Wolfenbüttel, Herzog August Bibl., Guelf. 56.20 Aug. 8o, ff. 80v-81v
Inc.: <P>rimus modus primae figurae falsificatur sic. ...
Exp. (incomplete): ... omnis dif<ferenti>a est una, sed quaedam diversa non sunt una res, ergo quaedam diversa <non> sunt diff<erenti>a.
Ed.: Iwakuma 1992c pp. 15-20
Notes:
falsificationes for each figure/mode of valid categorical syllogisms (until the 4th mode of the 2nd figure)