Valls appears to have had an interest in medieval philosophers.
As in the case of the other medieval Jewish philosophers little is known of his life.
His translations from medieval philosophers' and thinkers' works are within the sources for researchers' studies.
The notion of possibility was greatly analyzed by medieval and modern philosophers.
Medieval philosophers were greatly interested in the subtleties of language and its usage.
New technologies were introduced, and England produced some of the great medieval philosophers and natural scientists.
According to Ancient and Medieval philosophers, the intelligible forms are the things by which we understand.
Medieval philosophers were influenced by Cicero's writings on natural law and innate rights.
Chapters 38-40 contain attacks on Madhvacharya, an early medieval philosopher and his works in the form of a prophecy.
Many medieval philosophers made use of the idea of approaching a knowledge of God through negative attributes.