Ellipsis as a Textual Cohesion Element in some Prayers of Sahifah Sajjadiyyah

Systemic grammar is one of the subcategories of functional linguistics developed by Michael Halliday and Ruqaiya Hasan, and the "systemic functional grammar theory" was developed to make it practical. In this study, ellipsis as a textual cohesion element based on Michael Holiday's coherence theory has been studied analytically, descriptively and statistically in six prayers (2, 21, 25, 37, 50, 52) of Sahifah Sajjadiyyah. Since ellipsis leaves some literal and semantic clues in the structure of the text, which are retrieved using other parts and elements of the text, it can be considered as one of the textual coherence factors in Sahifah Sajjadiyyah. Taking into account his close relationship with God, Almighty and his linguistic economy principle, Imam Sajjad's (a.s.) has stated his messages in a brief and concise manner, so that communication, transmission of message and quick response to request can be fulfilled in the shortest possible time. Therefore, most sentences in Sahifah Sajjadiyyah are short and concise, and this is due to Imam Sajjad's haste to make a connection with the Creator of the universe and make a request.