38KiB, 720x650, FB_IMG_1568830502587.jpg View SameGoogleiqdbSauceNAO Anonymous Wed 18 Sep 18:24:48 2019 No.10983385 ViewReplyOriginalReport Quoted By: How can I start proving things in math /sci/? I already learned calculus, linear algebra and many other shit but don't really know how to prove things yet.