theory Test_Embed_Data2 imports Lazy_Case.Lazy_Case "../Preproc/Embed" "../Preproc/Eval_Instances" "Pairing_Heap.Pairing_Heap_Tree" begin declare List.Ball_set[code_unfold] lemma [code_unfold]: "(∀x ∈ set_tree l. P x) ⟷ list_all P (inorder l)" by (induction l) auto