57KiB, 814x960, IMG-20200130-WA0007.jpg View SameGoogleiqdbSauceNAO Anonymous Sat 01 Feb 12:32:56 2020 No.11351145 ViewReplyOriginalReport Quoted By: >>11351178 >>11351404 >>11351705 >>11351746 In geometric algebra is u ? v the same as -u ? -v ?