Surprising to find in the history of the Hebrew culture of Al-Andalus ongoing controversy over philological issues. A heated debate, full of life, who does not hesitate to get to insult and total disqualification of the opponent. Andalusíes for Jews was much was at stake. Issues of the case depended the same sense of Scripture, written in Hebrew, the "language santa" in which God had spoken to men and consequently the way of understanding God and his relation to men as well as conduct that the Jewish people should observe according to biblical precepts. Contact with the dominant Arab culture also influenced these philological debates. The abundance of philological writings meant for Jews Arabs an important stimulus for such a study in their own language, developed the first scientific grammar of biblical Hebrew and formulating the basic principles of the later Hebrew lexicography.

The rabbinical academy of Cordoba is a must to approach the beginnings of Hebrew philology and meet one by one the best linguists of the X-XIII centuries in its Cordovan majority of origin or adoption, which emulated and overshadowed the traditional superiority of work East Academies, brandishing the torch to illuminate for two long centuries fields of knowledge and science.