Reference for Yevamot 201:14

ורבי יהודה הדיוטות מנא ליה נפקא ליה מלעיני דאמר מר לעיני פרט לסומים

one man more is added to them; behold here five. As to the first Tanna, what deduction does he make [from the expression] the elders of?<span class="x" onmousemove="('comment',' Deut. XXV, 8. ');">³⁷</span> — He requires it for the purpose of including<span class="x" onmousemove="('comment',' As eligible members of the tribunal. ');">³⁹</span> even three laymen. Whence, then, does R. Judah deduce the eligibility of laymen?<span class="x" onmousemove="('comment',' As eligible members of the tribunal. ');">³⁹</span>

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