Literary efforts of Shaykh Toosi in general and specially his syntactic ones in "Tebyan" and his comprehensive treatment with them in brief and expressively, then taking benefit of values of this science and practicing them in the province of interpretation, made a vide scope for syntax in Toosi's interpretation. This interpretation embraces the syntactic views of scholars of two "Basra" and "koofa" schools. He doesn’t solely narrate the scholar's views but analyzes and refines them and distinguishes between right and wrong by his specialty and invested capability. Some syntactic views are renounced by toosi while others are preferred and sometimes he announces his own view. All this shows his vast knowledge of syntax that made him a leading scholar in this regard with particular view and school. It is worthy to mention that understanding his method needs investigation firstly according to the requirements of his era and secondly to ...
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