preamble4.ma NLE/nplus.ma NLE/props.ma NPlus/monoid.ma datatypes/Bool.ma logic/equality.ma datatypes/Context.ma datatypes/Term.ma datatypes/Term.ma preamble4.ma Lift/props.ma Lift/fun.ma Lift/inv.ma Lift/defs.ma Lift/defs.ma datatypes/Term.ma Lift/fun.ma Lift/inv.ma NLE/nplus.ma NLE/props.ma NPlus/monoid.ma datatypes/Bool.ma logic/equality.ma