nLab
Tietze transformation (history)

January 30, 2012

• Current (diff)
  by Tim Porter at January 30, 2012 17:42:03 from 95.147.237.107

December 7, 2011

• Revision 2 (diff)
  by Toby Bartels at December 7, 2011 02:19:28 from 64.89.53.157

December 6, 2011

• Revision 1
  by Tim Porter at December 6, 2011 19:48:06 from 95.147.237.250