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when toggle format what by license comment
Aug 29, 2017 at 12:57 answer added Anton Mellit timeline score: 2
Aug 29, 2017 at 10:35 history edited Anton Mellit CC BY-SA 3.0
replaced $(a,b)\neq 0$ by $a\neq 0$, replaced inequality $\geq 0$ by $>0$, fixed the last question (i.e. -> for instance), added a tag
Aug 28, 2017 at 12:24 history asked Anton Mellit CC BY-SA 3.0