X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fbasic_2%2Fgrammar%2Fcl_weight.ma;h=2a98026260c12c63b5953448775dc02db4ebc718;hb=eb4b3b1b307fc392c36f0be253e6a111553259bc;hp=35796b6ba78ed0c2d3b1c1400b8a05decf0a6a74;hpb=85a33f6b6de49ad8076753643df41f39bbedf802;p=helm.git

diff --git a/matita/matita/contribs/lambdadelta/basic_2/grammar/cl_weight.ma b/matita/matita/contribs/lambdadelta/basic_2/grammar/cl_weight.ma
index 35796b6ba..2a9802626 100644
--- a/matita/matita/contribs/lambdadelta/basic_2/grammar/cl_weight.ma
+++ b/matita/matita/contribs/lambdadelta/basic_2/grammar/cl_weight.ma
@@ -43,7 +43,7 @@ normalize in ⊢ (?→?→?→?→?%%); //
 qed.
 
 lemma fw_tpair_dx_sn: ∀I1,I2,L,V1,V2,T. ♯{L, V2} < ♯{L, ②{I1}V1.②{I2}V2.T}.
-normalize in ⊢ (?→?→?→?→?→?→?%%); /2 width=1/
+normalize in ⊢ (?→?→?→?→?→?→?%%); /2 width=1 by monotonic_le_plus_r/ (**) (* auto too slow without trace *)
 qed.
 
 lemma fw_tpair_sn_sn_shift: ∀I,I1,I2,L,V1,V2,T.
@@ -53,7 +53,11 @@ qed.
 
 lemma fw_tpair_sn_dx_shift: ∀I,I1,I2,L,V1,V2,T.
                             ♯{L.ⓑ{I}V2, T} < ♯{L, ②{I1}V1.②{I2}V2.T}.
-normalize in ⊢ (?→?→?→?→?→?→?→?%%); /2 width=1/
+normalize in ⊢ (?→?→?→?→?→?→?→?%%); /2 width=1 by monotonic_le_plus_r/ (**) (* auto too slow without trace *)
+qed.
+
+lemma fw_lpair_sn: ∀I,L,V,T. ♯{L, V} < ♯{L.ⓑ{I}V, T}.
+normalize /3 width=1 by monotonic_lt_plus_l, monotonic_le_plus_r/ (**) (* auto too slow without trace *)
 qed.
 
 (* Basic_1: removed theorems 7: