doc-src/TutorialI/Advanced/ROOT.ML

Added [simp]-lemmas "in_inv_image" and "in_lex_prod" in the spirit of "in_measure".
This simplifies some proofs.

use "../settings.ML";
no_document use_thy "While_Combinator";
use_thy "simp";
use_thy "WFrec";
use_thy "Partial";