What is the purpose of the scene in Leo Tolstoy and The Death of Ivan Ilyich in which Ivan Ilyich thinks about the following logical argument known as a syllogism Caius is a man men are mortal the?

In this scene from "The Death of Ivan Ilyich," Tolstoy uses the syllogism to highlight Ivan's existential crisis and the stark realization of his mortality. The logical structure of the argument contrasts with Ivan's lived experience, emphasizing the disconnect between abstract reasoning and the emotional weight of confronting death. It serves to illustrate his denial and the societal avoidance of death, ultimately prompting a deeper reflection on the meaning of life and the inevitability of death. This moment encapsulates the central themes of the novella: the search for authentic existence in the face of mortality.