Isaac ben Joseph of Corbeil (died 1280) (Hebrew: יצחק בן יוסף מקורבי"ל) was a 13th-century French rabbi and tosafist, best known as the author of Sefer Mitzvot Ḳatan.
In 1277 – encouraged by his pupils – he published Sefer Mitzvot Katan (ספר מצוות קטן – "Small book of commandments"; generally called "Semak" from the initials סמ"ק), an abridgment of Moses ben Jacob of Coucy's Sefer Mitzvot Gadol (called "Semag" from its initials סמ"ג).
Although based on the Sefer Mitzvot Gadol, the work does not delve into the argument behind the legal decision.
128) contains a long fragment of a Talmudic work of R. Isaac, with this superscription: קצת דינים מה"ר יצחק ז"ל.
You can help Wikipedia by expanding it.This biographical article about a person notable in connection with Judaism is a stub.