De pluralitate formae, contra Sutton (Leland, Tanner).

De invisibilibus (Leland).

Tractatus incip.: ‘Dominus potest facere omne quod fieri vult non includit contradictionem’:—

seen by Leland in the Franciscan Library, London (Collect. III, 49): Tanner identifies it with Defensorium Logices. Perhaps it is the same as Dialectica Nova: inc. ‘Contradictio in Deo non est.’ (Bale, Pits).

Comment. in Metaphysicam.

Tanner refers to MSS. Peterhouse 217 (where however no mention of it occurs), and Caius Coll. K. 5 (?), perhaps a mistake for H. 5 = 464, which contains Ockham’s logic.

Leland adds:

Vidi etiam tres libros Ochami, quorum primus De privatione, de materia prima, de forma quae est principium, et De forma artificiali; secundus vero De causis materiali, formali, efficiente, finali; tertius De mutatione subita tractat.

[Cf. Quaestiones in lib. Physic?]

De perfectione specierum (Wadding). Inc. ‘Quia Magister.’