Reference for Eruvin 193:3

וליענבינהו מיענב אמר רב חסדא זאת אומרת עניבה פסולה בתפילין

while the other Master<span class="x" onmousemove="('comment',' R. Judah.');">⁵</span> holds that he does not. <br>(Mnemonic: Shizi 'azbi).<span class="x" onmousemove="('comment',' Consisting of key letters in the statements that follow and their respective authorities. V. Hyman, Toledoth, p. 19.');">⁶</span>

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