Reference for Rosh Hashanah 54:15

תניא נמי הכי התוקע לתוך הבור או לתוך הדות יצא והתנן לא יצא אלא לאו שמע מינה כדרב הונא ש"מ

Some attach R'Johanan's remark to the latter clause: 'If with another material it is not valid': Said R'Johanan: This is the case only if the greater part of the original wa removed. From this we infer that if the stoppage is made with the same material, even though the greater part of the original is gone it is valid.<span class="x" onmousemove="('comment',' The quotation from the Baraitha is here resumed.');">¹⁴</span>

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