English: “And he shall slaughter it” three times. Because it is written (Devarim 12) “If the place be distant… then you shall slaughter” — at a distance you may slaughter, and not in proximity: to exclude chullin from being slaughtered in the azarah. “Before the Tent of Meeting” — to permit all the sides (of the courtyard as slaughter sites).
In Sifra: The triple slaughter phrase and “before the Tent” fix two rules: non-sacred animals may not be killed in the Temple court; shelamim may be slaughtered on any side of the azarah, not only one wall.
Type of Learning
Custom (repeated verb + place phrase).
What Is Learned
Shelamim slaughter is anywhere in the azarah; ordinary meat animals are barred from that space.