refactoring completed

[helm.git] / matita / matita / contribs / lambdadelta / ground_2 / lib / star.ma

diff --git a/matita/matita/contribs/lambdadelta/ground_2/lib/star.ma b/matita/matita/contribs/lambdadelta/ground_2/lib/star.ma
index fdf2ae5a4e648bfcac7fe3ba5a3c6ad37889587f..cc8a4318c61628d6882fa9b8ea3ebd1edfff4f4f 100644 (file)
--- a/matita/matita/contribs/lambdadelta/ground_2/lib/star.ma
+++ b/matita/matita/contribs/lambdadelta/ground_2/lib/star.ma
@@ -192,13 +192,6 @@ qed-.
 
 (* Relations on unboxed triples *********************************************)
 
-definition tri_RC: ∀A,B,C. tri_relation A B C → tri_relation A B C ≝
-                   λA,B,C,R,a1,b1,c1,a2,b2,c2. R … a1 b1 c1 a2 b2 c2 ∨
-                   ∧∧ a1 = a2 & b1 = b2 & c1 = c2.
-
-lemma tri_RC_reflexive: ∀A,B,C,R. tri_reflexive A B C (tri_RC … R).
-/3 width=1 by and3_intro, or_intror/ qed.
-
 definition tri_star: ∀A,B,C,R. tri_relation A B C ≝
                      λA,B,C,R. tri_RC A B C (tri_TC … R).