וְאִם־אֱמֶ֣ת הָיָ֔ה הַדָּבָ֖ר הַזֶּ֑ה לֹא־נִמְצְא֥וּ בְתוּלִ֖ים לנער [לַֽנַּעֲרָֽה׃]
Mas se for verdade, e não forem encontradas provas de virgindade para a jovem,
Sifrei Devarim
(Devarim 22:20) "And if the matter were true — if virginity were not found in the maiden": This tells me only of natural coitus. Whence do I derive the same for unnatural coitus? From "And if the matter were true."