src/HOLCF/IOA/NTP/ROOT.ML

fix the relevance filter so that it ignores If, Ex1, Ball, Bex

(*  Title:      HOLCF/IOA/NTP/ROOT.ML
    Author:     Tobias Nipkow & Konrad Slind

This is the ROOT file for a network transmission protocol (NTP
subdirectory), performed in the I/O automata formalization by Olaf
Mueller.
*)

use_thys ["Correctness"];