the structure of humor in the stories of resaalah delgosha by obaid zakani and the jokes in muhaḍarāt al-adabā' by raghib isfahani presents an inconsistent framework. this research aims to establish a unified model for the humor in these two works through a descriptive-analytical method based on comparison. it concludes that, according to the theory of inconsistency in humor, both the structure, and consequently the content and form of humor in these works can be considered inconsistent. the humorous content of these two works is inconsistent because it conflicts with the definitions and norms that have been adapted in the audience's mind. the form is inconsistent as it contradicts the audience's mental expectations and undermines their preconceived contexts. thus, both works share a common humorous model: unconventional content combined with an inverted form based on a structure that contradicts an accepted principle. this unified model explains the laughter elicited from the humor in both works for audiences who speak persian and arabic, highlighting shared individual and collective mentalities between them, and ultimately indicating the potential for comparative studies on these two works.