[1] He popularised English and French philosophical work in Italy, where he associated both with scholastics and with early Renaissance humanists.
[5] Blasius around 1390 wrote a work on perspective; it drew on Alhacen, John Pecham, and Witelo.
[6] Filippo Brunelleschi may have known of the work of Blasius through Giovanni dell'Abbaco.
[7] His Tractatus de Ponderibus was based on Oxford theories on laws of motion taken up from the statics of Jordanus Nemorarius, and introduced them into Italy.
[8] He disagreed with the views of Thomas Bradwardine on proportion, and gave a proof of the mean speed theorem.