Fsub/part1a_inversion.ma Fsub/defn.ma Fsub/part1a.ma Fsub/defn.ma Fsub/defn.ma Fsub/util.ma Fsub/util.ma list/in.ma list/list.ma logic/equality.ma nat/compare.ma Fsub/part1a_inversion2.ma Fsub/defn2.ma Fsub/defn2.ma Fsub/util.ma list/in.ma list/list.ma logic/equality.ma nat/compare.ma