--- a/src/HOL/Transitive_Closure.thy Thu Jun 12 08:03:05 2025 +0200
+++ b/src/HOL/Transitive_Closure.thy Thu Jun 12 12:44:47 2025 +0200
@@ -1581,10 +1581,10 @@
setup \<open>
map_theory_simpset (fn ctxt => ctxt
- addSolver (mk_solver "Trancl" Trancl_Tac.trancl_tac)
- addSolver (mk_solver "Rtrancl" Trancl_Tac.rtrancl_tac)
- addSolver (mk_solver "Tranclp" Tranclp_Tac.trancl_tac)
- addSolver (mk_solver "Rtranclp" Tranclp_Tac.rtrancl_tac))
+ |> Simplifier.add_unsafe_solver (mk_solver "Trancl" Trancl_Tac.trancl_tac)
+ |> Simplifier.add_unsafe_solver (mk_solver "Rtrancl" Trancl_Tac.rtrancl_tac)
+ |> Simplifier.add_unsafe_solver (mk_solver "Tranclp" Tranclp_Tac.trancl_tac)
+ |> Simplifier.add_unsafe_solver (mk_solver "Rtranclp" Tranclp_Tac.rtrancl_tac))
\<close>
lemma transp_rtranclp [simp]: "transp R\<^sup>*\<^sup>*"