Reference for Temurah 17:31

האי בשל אחרים היכי דמי

the punishment of lashes is inflicted, how much more so should there be the punishment of lashes if one exchanges 'a good' for 'a good', which are alike [in holiness]! And Raba?<span class="x" onmousemove="('comment',' Since there is an a minori conclusion, what need is there for an extra 'a good'?');">²¹</span>

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