On Jan 29, 11:04 am, WM <mueck...@rz.fh-augsburg.de> wrote: > On 29 Jan., 10:53, William Hughes <wpihug...@gmail.com> wrote: > > > > > B correct does not mean "C is incorrect" > > We know of cases where B is correct and C is incorrect.
And we know of cases where B is correct and C is correct.
So knowing B is correct does not mean either "C is correct" or "C is incorrect"