Reference for Niddah 12:4

אילימא לאחר שנזכר דאין הלכה כרבי אליעזר אלא כרבנן בשעת הדחק היכי עביד כותיה

[it means after he recalled] that it was not stated whether the law was in agreement with the one Master or with the other Master, and having recalled that it was not an individual that differed from him<span class="x" onmousemove="('comment',' R. Eliezer. ');">⁴</span>

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