Reference for Eruvin 176:10

והא מדסיפא ר' אליעזר בן יעקב רישא לאו ר"א בן יעקב

seeing that it could have been stated:<span class="x" onmousemove="('comment',' Lit., 'let him teach'.');">²⁴</span> 'If the area of a courtyard was less than four cubits<span class="x" onmousemove="('comment',' Elijah Wilna inserts the following three words in parenthesis.');">²⁵</span> by four cubits'?<span class="x" onmousemove="('comment',' An expression which would have indicated that even if only one of the sides of a courtyard is less than four cubits in length (though the total area was four cubits by four) no water may be poured out into it.');">²⁶</span>

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