In order to better understand the effect of reducing a K-vector subspace V⊆P_d modulo a generic linear form, we generalize Proposition 5.5.18 as follows.

Classical Arabic has a fully functional dual number, which requires dual agreement in verbs, adjectives and pronouns.

this historical, genetical method of viewing prior systems of philosophy

By Christopher Columbus's time, these tenets had become a forma mentis, a mental habit.