What is the purpose of the scene in leo tolstoy’s the death of ivan ilyich in which ivan ilyich thinks about the following logical argument, known as a syllogism?

. a function is a relation in which each input has only one output. in the relation , y is a function of x, because for each input x (1, 2, 3, or 0), there is only one output y. x is not a function of y, because the input y = 3 has multiple outputs: x = 1 and x = 2.

the correct way to cite this in apa format is the following: smith, d. (2001). world environment day. retrieved from  

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explanation: