- one conjecture closed on lsubf

[helm.git] / matita / matita / contribs / lambdadelta / basic_2 / static / lsubf_frees.ma

diff --git a/matita/matita/contribs/lambdadelta/basic_2/static/lsubf_frees.ma b/matita/matita/contribs/lambdadelta/basic_2/static/lsubf_frees.ma
index 700bb0bb0b53eb799054ffcb01422d56e50b4fff..09d8339d1173929b89b6a1da621a982bbff469eb 100644 (file)
--- a/matita/matita/contribs/lambdadelta/basic_2/static/lsubf_frees.ma
+++ b/matita/matita/contribs/lambdadelta/basic_2/static/lsubf_frees.ma
@@ -14,10 +14,6 @@
 
 include "basic_2/static/lsubf.ma".
 
-axiom lsubf_inv_sor_dx: ∀f1,f2,L1,L2. ⦃L1, f1⦄ ⫃𝐅* ⦃L2, f2⦄ →
-                        ∀x2,y2. x2⋓y2 ≡ f2 →
-                        ∃∃x1,y1. ⦃L1, x1⦄ ⫃𝐅* ⦃L2, x2⦄ & ⦃L1, y1⦄ ⫃𝐅* ⦃L2, y2⦄ & x1⋓y1 ≡ f1.
-
 (* RESTRICTED REFINEMENT FOR CONTEXT-SENSITIVE FREE VARIABLES ***************)
 
 (* Properties with context-sensitive free variables *************************)