Reference for Avodah Zarah 82:9

הכי השתא התם אימר עבדום אימר לא עבדום ואת"ל עבדום אימר בטלום עבודת כוכבים ודאי עבדוה מי יימר דבטלה הוי ספק וודאי ואין ספק מוציא מידי ודאי

But is the analogy correct? There [in the case of images] they were perhaps worshipped or perhaps not; and even if you assume that they had been worshipped, perhaps they had been annulled. But in the case of an idol, it has certainly been worshipped; and who can say whether it has been annulled? Consequently there is a doubt and a certainty, and a doubt cannot set aside a certainty.

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