Talk:Homotopy
Latest comment: 11 years ago by Crasshopper
You can't actually turn a rubber coffee cup into a rubber doughnut. Crasshopper (talk) 08:57, 1 September 2012 (UTC)
You can't actually turn a rubber coffee cup into a rubber doughnut. Crasshopper (talk) 08:57, 1 September 2012 (UTC)Reply