X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fground_2%2Fsteps%2Frtc_plus.ma;h=ad9a04f01171bfb1def1287d4947d0bdc4ca83cb;hb=138e01310a2334cd531819122c794d72d14c6e8c;hp=b0b52924071710793e8a33dc291a772e0bf318a8;hpb=89ea663d91904f483f8248cfaeaed5eda8715da2;p=helm.git

diff --git a/matita/matita/contribs/lambdadelta/ground_2/steps/rtc_plus.ma b/matita/matita/contribs/lambdadelta/ground_2/steps/rtc_plus.ma
index b0b529240..ad9a04f01 100644
--- a/matita/matita/contribs/lambdadelta/ground_2/steps/rtc_plus.ma
+++ b/matita/matita/contribs/lambdadelta/ground_2/steps/rtc_plus.ma
@@ -83,13 +83,13 @@ qed-.
 lemma isrt_inv_plus_O_dx: ∀n,c1,c2. 𝐑𝐓⦃n, c1 + c2⦄ → 𝐑𝐓⦃0, c2⦄ → 𝐑𝐓⦃n, c1⦄.
 #n #c1 #c2 #H #H2
 elim (isrt_inv_plus … H) -H #n1 #n2 #Hn1 #Hn2 #H destruct
-lapply (isrt_mono … Hn2 H2) -c2 #H destruct //
+lapply (isrt_inj … Hn2 H2) -c2 #H destruct //
 qed-.
 
 lemma isrt_inv_plus_SO_dx: ∀n,c1,c2. 𝐑𝐓⦃n, c1 + c2⦄ → 𝐑𝐓⦃1, c2⦄ →
                            ∃∃m. 𝐑𝐓⦃m, c1⦄ & n = ⫯m.
 #n #c1 #c2 #H #H2
 elim (isrt_inv_plus … H) -H #n1 #n2 #Hn1 #Hn2 #H destruct
-lapply (isrt_mono … Hn2 H2) -c2 #H destruct
+lapply (isrt_inj … Hn2 H2) -c2 #H destruct
 /2 width=3 by ex2_intro/
 qed-.