CpsG.thy has been cleaned up.
The next step is to add more comments and make slight changes along the way.
(*show_question_marks := false;*)
no_document use_thy "../CpsG";
no_document use_thy "../ExtGG";
no_document use_thy "~~/src/HOL/Library/LaTeXsugar";
quick_and_dirty := true;
use_thy "Slides2"