email@example.com wrote: > Den torsdagen den 1:e augusti 2013 kl. 20:35:32 UTC+2 skrev Peter Percival: >> firstname.lastname@example.org wrote: >> >> >> >>> A polygon with infinite number of vertices is a circle. And no polygons can have infinitly number of vertices, go figure. >> >> >> >> What is one supposed to "figure" when a blatant contradiction is uttered? >> > > The truth about circles they are made up of linesegments.
No they're not.
-- Nam Nguyen in sci.logic in the thread 'Q on incompleteness proof' on 16/07/2013 at 02:16: "there can be such a group where informally it's impossible to know the truth value of the abelian expression Axy[x + y = y + x]".