| Tue, 10 Jan 2012 23:59:37 +0100 | berghofe | Replaced perm_set_eq by perm_set_def | file | diff | annotate |
| Sun, 16 Jan 2011 15:53:03 +0100 | wenzelm | tuned headers; | file | diff | annotate |
| Mon, 22 Nov 2010 10:34:33 +0100 | hoelzl | Replace surj by abbreviation; remove surj_on. | file | diff | annotate |