update in delayed_updating

[helm.git] / matita / matita / contribs / lambdadelta / delayed_updating / reduction / ifr.ma

diff --git a/matita/matita/contribs/lambdadelta/delayed_updating/reduction/ifr.ma b/matita/matita/contribs/lambdadelta/delayed_updating/reduction/ifr.ma
index 582f6ed5761ff450a54d34d6b113c5c07e9aaaa1..b58f9ee185d40458dac3ea3baf30906a03cb1825 100644 (file)
--- a/matita/matita/contribs/lambdadelta/delayed_updating/reduction/ifr.ma
+++ b/matita/matita/contribs/lambdadelta/delayed_updating/reduction/ifr.ma
@@ -24,8 +24,8 @@ include "delayed_updating/notation/relations/black_rightarrow_f_4.ma".
 definition ifr (p) (q): relation2 prototerm prototerm ≝
            λt1,t2. ∃b.
            let r ≝ p●𝗔◗b●𝗟◗q in
-           â\88§â\88§ â\8a\93(â\8a\97b) & râ\97\96ð\9d\97±(â\86\91â\9d\98qâ\9d\98) ϵ t1 &
-              t2 ⇔ t1[⋔r←↑[𝐮❨↑❘q❘❩]t1⋔(p◖𝗦)]
+           â\88§â\88§ â\8a\97b ϵ ð\9d\90\81 & râ\97\96ð\9d\97±â\9d\98qâ\9d\98 ϵ t1 &
+              t1[⋔r←↑[𝐮❨❘q❘❩](t1⋔(p◖𝗦))] ⇔ t2
 .
 
 interpretation