[4 / 1 / ?] 94KiB, 575x500, 98cbf665-0345-4a5a-98bd-daac1bd9dd0a..jpg View SameGoogleImgOpsiqdbSauceNAO Anonymous Sat 24 Oct 2015 10:50:26 No.7612427 ViewReplyReportDelete Quoted By: >>7612521 I'm reading section 3.2 of how to prove it by velleman, what should I read next? Subject Name E-mail Password