- advances in the theory of cofrees

[helm.git] / matita / matita / contribs / lambdadelta / basic_2 / computation / csx_lleq.ma

diff --git a/matita/matita/contribs/lambdadelta/basic_2/computation/csx_lleq.ma b/matita/matita/contribs/lambdadelta/basic_2/computation/csx_lleq.ma
index d56acd9df2bf21a29b132e4d94e1d6f6fa5b27f4..765861e3bf61dac1d41a1d53918d34908b7d9e85 100644 (file)
--- a/matita/matita/contribs/lambdadelta/basic_2/computation/csx_lleq.ma
+++ b/matita/matita/contribs/lambdadelta/basic_2/computation/csx_lleq.ma
@@ -20,11 +20,11 @@ include "basic_2/computation/csx.ma".
 (* Properties on lazy equivalence for local environments ********************)
 
 lemma csx_lleq_conf: ∀h,g,G,L1,T. ⦃G, L1⦄ ⊢ ⬊*[h, g] T →
-                     â\88\80L2. L1 â\8b\95[T, 0] L2 → ⦃G, L2⦄ ⊢ ⬊*[h, g] T.
+                     â\88\80L2. L1 â\89¡[T, 0] L2 → ⦃G, L2⦄ ⊢ ⬊*[h, g] T.
 #h #g #G #L1 #T #H @(csx_ind … H) -T
 /4 width=6 by csx_intro, cpx_lleq_conf_dx, lleq_cpx_trans/
 qed-.
 
 lemma csx_lleq_trans: ∀h,g,G,L1,L2,T.
-                      L1 â\8b\95[T, 0] L2 → ⦃G, L2⦄ ⊢ ⬊*[h, g] T → ⦃G, L1⦄ ⊢ ⬊*[h, g] T.
+                      L1 â\89¡[T, 0] L2 → ⦃G, L2⦄ ⊢ ⬊*[h, g] T → ⦃G, L1⦄ ⊢ ⬊*[h, g] T.
 /3 width=3 by csx_lleq_conf, lleq_sym/ qed-.