Reference for Bekhorot 116:4

מאי אמרת לצרפו לגורן אחר עשירי ודאי אמר רחמנא ולא ספק

You will perhaps argue against this that [those five of Tishri] should be combined with those born in a subsequent tithing period.<span class="x" onmousemove="('comment',' In the same year, viz,, the Peras of Passover,');">⁴</span>

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