src/FOLP/ex/ROOT.ML

explicit Document.State value, instead of individual state variables in Session, Command, Document;
Session.snapshot: pure value based on Document.State;
Document.edit_texts: no treatment of state assignment here;

(*  Title:      FOLP/ex/ROOT.ML
    Author:     Lawrence C Paulson, Cambridge University Computer Laboratory
    Copyright   1992  University of Cambridge

Examples for First-Order Logic. 
*)

use_thys [
  "Intro",
  "Nat",
  "Foundation",
  "If",
  "Intuitionistic",
  "Classical",
  "Propositional_Int",
  "Quantifiers_Int",
  "Propositional_Cla",
  "Quantifiers_Cla"
];