Level-1/LambdaDelta now compiles fine

[helm.git] / matita / contribs / LAMBDA-TYPES / Level-1 / LambdaDelta / iso / props.ma

diff --git a/matita/contribs/LAMBDA-TYPES/Level-1/LambdaDelta/iso/props.ma b/matita/contribs/LAMBDA-TYPES/Level-1/LambdaDelta/iso/props.ma
index 2396280a3406feca65de5e7e6a07de13ddb48235..15a4e77fdb084209ae84e43fdd9650b2848776e4 100644 (file)
--- a/matita/contribs/LAMBDA-TYPES/Level-1/LambdaDelta/iso/props.ma
+++ b/matita/contribs/LAMBDA-TYPES/Level-1/LambdaDelta/iso/props.ma
@@ -16,7 +16,15 @@
 
 set "baseuri" "cic:/matita/LAMBDA-TYPES/Level-1/LambdaDelta/iso/props".
 
-include "iso/defs.ma".
+include "iso/fwd.ma".
+
+theorem iso_refl:
+ \forall (t: T).(iso t t)
+\def
+ \lambda (t: T).(T_ind (\lambda (t0: T).(iso t0 t0)) (\lambda (n: 
+nat).(iso_sort n n)) (\lambda (n: nat).(iso_lref n n)) (\lambda (k: 
+K).(\lambda (t0: T).(\lambda (_: (iso t0 t0)).(\lambda (t1: T).(\lambda (_: 
+(iso t1 t1)).(iso_head t0 t0 t1 t1 k)))))) t).
 
 theorem iso_trans:
  \forall (t1: T).(\forall (t2: T).((iso t1 t2) \to (\forall (t3: T).((iso t2