271KiB, 680x453, maths.jpg View SameGoogleiqdbSauceNAO Anonymous Mon 10 Aug 14:45:58 2020 No.11993695 ViewReplyOriginalReport Quoted By: >>11993701 I postulate a new conjecture: that all concepts are rederivable. You just need to formalise derivability and I suspect you could get the proof.