Reference for Zevachim 115:12

אמר רבי זירא אפשר איתא להא דרבי יוחנן ולא תנינא לה במתני'

Shall we say, on the cubit of the base or the cubit of the terrace:<span class="x" onmousemove="('comment',' The altar' was recessed a cubit for the base and a cubit for the terrace (v. supra 54a) .');">¹⁴</span> surely that is the altar itself?

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