src/Cube/ROOT.ML

replaced generic 'hide' command by more conventional 'hide_class', 'hide_type', 'hide_const', 'hide_fact' -- frees some popular keywords;

(*  Title:      Cube/ROOT.ML
    Author:     Tobias Nipkow
    Copyright   1992  University of Cambridge

The Lambda-Cube a la Barendregt.
*)

use_thys ["Cube", "Example"];