Yoma 57: The Truth of the Bloody Curtain

Another daf considering "hekesh," comparing verses and inferring halakhic detail. In this case, on what happens in the Sanctuary, but it's a hekesh on a hekesh, and that seems too much. Plus examining the way the learning itself came to pass. Until a reality check knocks down the "Gemara logic." Namely, an eyewitness account vs. the information derived from exegetical principles. Which is reasonable, but also surprising, given how much detail is discernible that isn't clear in other circumstances. Also, the Eretz Yisrael snobbery with regard to the Babylonian scholars.