Am 26.05.2014 um 11:02 schrieb Tobias Nipkow <nipkow at in.tum.de>: > The definition of list should look like before. I don't see how this is an option. This would result in the following duplicate constants: map_list vs. map set_list vs. set rel_list vs. forall_list2 un_Cons1 vs. hd un_Cons2 vs. tl Jasmin