How do i complete the proof of Case 3 and Case 4 in Lemma 1 of Arrow’s Impossibility Theorem (file Lemma 1.pdf)
Please provide answer and detailed explanation.
How do i complete the proof of Case 3 and Case 4 in Lemma 1 of Arrow’s Impossibility Theorem (file Lemma 1.pdf)
Please provide answer and detailed explanation.