- pipe graphviz markup to tred before generating png/map output to get rid of

[helm.git] / matita / contribs / RELATIONAL-ARITHMETICS / nat_fwd.ma

diff --git a/matita/contribs/RELATIONAL-ARITHMETICS/nat_fwd.ma b/matita/contribs/RELATIONAL-ARITHMETICS/nat_fwd.ma
index 99ec088f9ede59224af66ee0302a8f85d294fc2c..952a8cbf0120958efeb672f325f5a21f9e34e525 100644 (file)
--- a/matita/contribs/RELATIONAL-ARITHMETICS/nat_fwd.ma
+++ b/matita/contribs/RELATIONAL-ARITHMETICS/nat_fwd.ma
@@ -14,7 +14,6 @@
 
 set "baseuri" "cic:/matita/RELATIONAL-ARITHMETICS/nat_fwd".
 
-include "library/logic/equality.ma".
 include "nat_defs.ma".
 
 theorem eq_gen_O_S: \forall (P:Prop). \forall m2. O = S m2 \to P.