update in basic_2 + web page

[helm.git] / matita / matita / contribs / lambdadelta / basic_2 / relocation / lreq_lreq.ma

diff --git a/matita/matita/contribs/lambdadelta/basic_2/relocation/lreq_lreq.ma b/matita/matita/contribs/lambdadelta/basic_2/relocation/lreq_lreq.ma
index ec166cb7d772edf5c4d93d4e33ea9b629b4ba362..b2bf0385a202cd8e6f21c299d29828848bd0c11e 100644 (file)
--- a/matita/matita/contribs/lambdadelta/basic_2/relocation/lreq_lreq.ma
+++ b/matita/matita/contribs/lambdadelta/basic_2/relocation/lreq_lreq.ma
@@ -28,10 +28,10 @@ theorem lreq_canc_sn: ∀f. left_cancellable … (lreq f).
 theorem lreq_canc_dx: ∀f. right_cancellable … (lreq f).
 /3 width=3 by lexs_canc_dx, lreq_trans, lreq_sym/ qed-.
 
-theorem lreq_join: â\88\80f1,L1,L2. L1 â\89¡[f1] L2 â\86\92 â\88\80f2. L1 â\89¡[f2] L2 →
-                   â\88\80f. f1 â\8b\93 f2 â\89¡ f â\86\92 L1 â\89¡[f] L2.
+theorem lreq_join: â\88\80f1,L1,L2. L1 â\89\90[f1] L2 â\86\92 â\88\80f2. L1 â\89\90[f2] L2 →
+                   â\88\80f. f1 â\8b\93 f2 â\89¡ f â\86\92 L1 â\89\90[f] L2.
 /2 width=5 by lexs_join/ qed-.
 
-theorem lreq_meet: â\88\80f1,L1,L2. L1 â\89¡[f1] L2 â\86\92 â\88\80f2. L1 â\89¡[f2] L2 →
-                   â\88\80f. f1 â\8b\92 f2 â\89¡ f â\86\92 L1 â\89¡[f] L2.
+theorem lreq_meet: â\88\80f1,L1,L2. L1 â\89\90[f1] L2 â\86\92 â\88\80f2. L1 â\89\90[f2] L2 →
+                   â\88\80f. f1 â\8b\92 f2 â\89¡ f â\86\92 L1 â\89\90[f] L2.
 /2 width=5 by lexs_meet/ qed-.