On 02/10/2015 05:29 PM, Always Learning wrote: > Legal point 1: you do not know the source of the Russian's PDF. > > Legal point 2: you can not determine with certainty that the said PDF is > *not* a lawful copy. > > Legal point 3: you can not establish the Russian's possession of the PDF > is *not* lawful. I don't think anyone is arguing that point. But if anyone else downloads the PDF from his site, then they are violating the copyright. I can only assume you have violated the copyright, as you are quoting from the PDF. > Legal point 7: You are unproductively using your own, and other's, time, > interest and energy. And you are perpetuating the same. Please let it go, and do not encourage copyright infringement.