21KiB, 330x499, 41+qNs5+FgS._SX328_BO1,204,203,200_.jpg View SameGoogleiqdbSauceNAO Anonymous Mon 13 Dec 22:05:33 2021 No.13959815 ViewReplyOriginalReport Quoted By: >>13963664 >Illustrates duality by copy pasting the texts of entire sections and just reversing the arrows Laziness or good pedagogy?