On 2010-06-28, Peter Webb <webbfamily@DIESPAMDIEoptusnet.com.au> wrote: > This occurs in step 4. You state we can "identify an element d of S > that is on the diagonal". Unless the list is explicitly defined, you > can't "identify" the digit in position x.
See Owen? I told you he wouldn't be able to ignore the informal fluff phrase "we can identify", and so fails to interpret it correctly.
Mathematically, it means nothing more than "there exists".