X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2Fsoftware%2Fmatita%2Fcontribs%2FLAMBDA-TYPES%2FUnified-Sub%2Fpreamble.ma;h=d889c399573b79a13cac67e4b1041e0058478bde;hb=2d79bad1521e55c3756532bf992ddb30f767beed;hp=21afc1d99dc13929ca06221d5f1594a677c92b00;hpb=476068e4c7ac989e42c84affbeeb95873edac24f;p=helm.git

diff --git a/helm/software/matita/contribs/LAMBDA-TYPES/Unified-Sub/preamble.ma b/helm/software/matita/contribs/LAMBDA-TYPES/Unified-Sub/preamble.ma
index 21afc1d99..d889c3995 100644
--- a/helm/software/matita/contribs/LAMBDA-TYPES/Unified-Sub/preamble.ma
+++ b/helm/software/matita/contribs/LAMBDA-TYPES/Unified-Sub/preamble.ma
@@ -20,8 +20,15 @@ set "baseuri" "cic:/matita/LAMBDA-TYPES/Unified-Sub/preamble".
 *)
 
 include "logic/equality.ma".
-include "../../RELATIONAL/NPlus/defs.ma".
-include "../../RELATIONAL/NLE/defs.ma".
-include "../../RELATIONAL/BEq/defs.ma".
-include "../../RELATIONAL/Nat/defs.ma".
-include "../../RELATIONAL/Bool/defs.ma".
+include "../../RELATIONAL/datatypes/Bool.ma".
+include "../../RELATIONAL/NPlus/monoid.ma".
+include "../../RELATIONAL/NLE/props.ma".
+include "../../RELATIONAL/NLE/nplus.ma".
+
+axiom f_equal_3: \forall (A,B,C,D:Set).
+                 \forall (f:A \to B \to C \to D). 
+                 \forall (x1,x2:A).
+                 \forall (y1,y2:B).
+                 \forall (z1,z2:C). 
+                 x1 = x2 \to y1 = y2 \to z1 = z2 \to 
+                 f x1 y1 z1 = f x2 y2 z2.