Open sternk opened 10 years ago
Comment by till Migrated from http://trac.informatik.uni-bremen.de:8080/hets/ticket/199#comment:3
this is not a duplicate. The other ticket has been closed, but the task of the present ticket explicitly is mentioned as not implemented.
Reported by till and assigned to till Migrated from http://trac.informatik.uni-bremen.de:8080/hets/ticket/199
For non-free generated types, only a second-order induction axiom is generated (see ticket #156), no proper Isabelle datatype. Write an induction tactic for these axioms, building on the existing induction infrastructure if Isabelle as much as possible.