Reference for Niddah 57:24

קשיא לרבי יוחנן

and yet it was stated, IT IS DEEMED BORN AS SOON AS ITS GREATER PART ISSUED. Does not this then present an objection against R. Johanan? — R. Johanan can answer you: Read, ISSUED IN PIECES and IN A REVERSED POSITION. But was it not stated 'OR'?<span class="x" onmousemove="('comment',' How can 'or' be understood as 'and'? ');">²²</span>

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