X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=matita%2Fcontribs%2FLAMBDA-TYPES%2FLambdaDelta-1%2Fpreamble.ma;h=f9dc333afbf05ee7b87861c9fb189e898a7fe489;hb=1776f357e1a69fa1133956660b65d7bafdfe5c25;hp=97a666fe75c514ded7a9054ceea312cee87e68d1;hpb=0357b09d42de55c9cd4fa502c5165894bfc6be45;p=helm.git

diff --git a/matita/contribs/LAMBDA-TYPES/LambdaDelta-1/preamble.ma b/matita/contribs/LAMBDA-TYPES/LambdaDelta-1/preamble.ma
index 97a666fe7..f9dc333af 100644
--- a/matita/contribs/LAMBDA-TYPES/LambdaDelta-1/preamble.ma
+++ b/matita/contribs/LAMBDA-TYPES/LambdaDelta-1/preamble.ma
@@ -40,7 +40,3 @@ alias id "plus_lt_le_compat" = "cic:/Coq/Arith/Plus/plus_lt_le_compat.con".
 alias id "plus_n_O" = "cic:/Coq/Init/Peano/plus_n_O.con".
 alias id "plus_Snm_nSm" = "cic:/Coq/Arith/Plus/plus_Snm_nSm.con".
 alias id "S_pred" = "cic:/Coq/Arith/Lt/S_pred.con".
-
-theorem trans_eq : \forall A:Type. \forall x,y,z:A. x=y \to y=z \to x=z.
- intros. transitivity y; assumption.
-qed.