Reference for Bava Kamma 3:7

תולדותיהן כיוצא בהן לא שנא אב חטאת ולא שנא תולדה חטאת לא שנא אב סקילה ולא שנא תולדה סקילה

'Principal classes' implies that there must be subordinate classes. Here the latter do in law equal the former; for there is no difference between a principal and a subordinate [prohibited act] with respect either to the law of sin-offering<span class="x" onmousemove="('comment',' Cf. Lev. IV, 27-35. ');">⁹</span> or to that of capital punishment by stoning.<span class="x" onmousemove="('comment',' Num. XV, 32-36. ');">¹⁰</span>

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