universary milestone in basic_2

[helm.git] / matita / matita / contribs / lambdadelta / basic_2 / reduction / cnr_cir.ma

diff --git a/matita/matita/contribs/lambdadelta/basic_2/reduction/cnr_cir.ma b/matita/matita/contribs/lambdadelta/basic_2/reduction/cnr_cir.ma
index 269cd6561d1e528124a3a899b8a1d9284b5442cb..480e359cb39fface464cecf107c480192f0fb437 100644 (file)
--- a/matita/matita/contribs/lambdadelta/basic_2/reduction/cnr_cir.ma
+++ b/matita/matita/contribs/lambdadelta/basic_2/reduction/cnr_cir.ma
@@ -15,14 +15,14 @@
 include "basic_2/reduction/cpr_cir.ma".
 include "basic_2/reduction/cnr_crr.ma".
 
-(* CONTEXT-SENSITIVE NORMAL TERMS *******************************************)
+(* NORMAL TERMS FOR CONTEXT-SENSITIVE REDUCTION *****************************)
 
-(* Main properties on context-sensitive irreducible terms *******************)
+(* Main properties on irreducibility ****************************************)
 
-theorem cir_cnr: ∀L,T. ⦃G, L⦄ ⊢ 𝐈⦃T⦄ → ⦃G, L⦄ ⊢ 𝐍⦃T⦄.
-/2 width=3 by cpr_fwd_cir/ qed.
+theorem cir_cnr: ∀G,L,T. ⦃G, L⦄ ⊢ ➡ 𝐈⦃T⦄ → ⦃G, L⦄ ⊢ ➡ 𝐍⦃T⦄.
+/2 width=4 by cpr_fwd_cir/ qed.
 
-(* Main inversion lemmas on context-sensitive irreducible terms *************)
+(* Main inversion lemmas on irreducibility **********************************)
 
-theorem cnr_inv_cir: ∀L,T. ⦃G, L⦄ ⊢ 𝐍⦃T⦄ → ⦃G, L⦄ ⊢ 𝐈⦃T⦄.
-/2 width=4 by cnr_inv_crr/ qed-.
+theorem cnr_inv_cir: ∀G,L,T. ⦃G, L⦄ ⊢ ➡ 𝐍⦃T⦄ → ⦃G, L⦄ ⊢ ➡ 𝐈⦃T⦄.
+/2 width=5 by cnr_inv_crr/ qed-.