Study Zevachim folio 67B with parallel Hebrew-English text, traditional commentary, and modern study tools. Free access to Babylonian Talmud online.
The Talmud suggests: Come and hear a challenge to this principle from a Mishnah in tractate Kinnim (24a). A woman after childbirth must bring two bird offerings: A burnt offering and a sin offering. The Mishnah discusses a case where two women after childbirth, one of whom already brought her burnt
If the priest sacrificed both of them above the red line, half of the birds, i.e., one of them, is fit, as in any event the burnt offering has been sacrificed properly, and half of the birds, i.e., the other one, is disqualified. Likewise, if he sacrificed both of them below the red line, half are
But according to Rav Adda bar Ahava’s explanation of R' Yehoshua’s principle, the sin offering should be deemed fit in any event; even though the burnt offering was indeed sacrificed below the red line, it should be removed from its status as a burnt offering and become a bird sin offering.
The Talmud rejects this claim: It is reasonable to say that R' Yehoshua stated his principle with regard to one person, whose offering the priest sacrificed below the red line instead of above it; but did he state it with regard to two people, one of whose offering the priest sacrificed for the sa
The Talmud suggests: Come and hear another challenge from a Mishnah in tractate Kinnim (24a). The Mishnah discusses a case of two women who jointly brought 3 pairs of birds, as follows: The birds of one pair were designated as a sin offering and a burnt offering respectively, but it was not specifie