142KiB, 1378x652, Screen Shot 2021-01-05 at 9.11.49 am.png View SameGoogleiqdbSauceNAO Anonymous Mon 04 Jan 22:12:45 2021 No.12545340 ViewReplyOriginalReport Quoted By: >>12545393 >>12545440 >>12545467 Page 5 of Abbott's Understanding Analysis. What the fuck is this "E" set he's referring to? I can't find any reference to it earlier in the book.