> -----Original Message----- > From: Li Zefan [mailto:lizefan@xxxxxxxxxx] > Sent: Wednesday, June 25, 2014 11:44 AM > On 2014/6/25 11:30, Chen Hanxiao wrote: > > s/iff/if > > > > This is not a typo. iff == if and only if. > I see. Thanks for teaching. - Chen ?韬{.n?????%??檩??w?{.n???{饼???骅w* jg????????G??⒏ ⒎?:+v???????? ????＂??????
