بررسی نقش عامل تکرار در انسجام بخشی به خطبه های نهج البلاغه براساس الگوی انسجام هلیدی و حسن

an exploration of repetition in the cohesion of sermons of nahj al-balagha(based on halliday & hassan's cohesion model)kh. parvini a. nazari received: 2011/12/26accepted: 2012/07/09abstracthalliday and hassan are of the opinion that text is a semantic unit. also, the latter includes some factors which give cohesion to the text and distinguishes it from a non text. they believe that these factors are such as reference, substitution, ellipsis, conjunction, and lexical cohesion. lexical cohesion involves repetition and collocatin.the repetition of a word either literally or semanticly is located in the epicenter of a text. moreover, due to a common element, it causes coherence between sentences of a text. nahj al-balagha, as an influential religious text has this important cohesive factor. however, the repetition of the word may be explored.the special functions of repetition of a word in nahjal-balaghe are the signification of allah, metaphoric language, variety of sermon topic and the specific partial repetition method. also, the synonym as a type of repetition in nahj al-balagha has a particular role of lexical cohesion and persistence of text. keywords: nahj al-balagha, cohesion, repetition, homonymy