There's a principle of "svara" in Shas, which exists on a d'oraisa level (see this related question).

A few examples of svaras:

Does a list exist that has all the instances in Shas where the principle of "svara" is used?
(additional opinions of Rishonim who use "svara" to explain a halacha or din are also welcome)

  • 1
    You forgot הפה שאסר הוא הפה שהיתר. Your first example and this one is where they explicitly say סברה היא
    – robev
    Aug 6, 2019 at 17:22
  • 1
    לאו לאוקמא בכילתא שאילתא - for פטור שואל by מתה מחמת מלאכה
    – Loewian
    Sep 6, 2019 at 3:09


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