The concept of Literacy built in parallel with a broaden discussion about general guide-lines of the Theory of Grammar and it's phenomenology; explanatory adequacy and learnability condition in metaphoric frameworks controlled by human communicative intentions; different text systems permeability explained in terms of knowledge models priority, enrolling a set of mental systems that command the structure of oral and written languages. This paper analyses some logical determinations towards an inter / multidisciplinary approach of Literacy and mental grammar.
theory of grammar; literacy; metaphoric explanatory models