λδ-2B is released

[helm.git] / matita / matita / contribs / lambdadelta / static_2 / static / frees_drops.ma

diff --git a/matita/matita/contribs/lambdadelta/static_2/static/frees_drops.ma b/matita/matita/contribs/lambdadelta/static_2/static/frees_drops.ma
index 698427fee1c128d01cda3a9cef95264b05744cc2..bc5a7056babb2ba2b28e75aa6627e699554963f0 100644 (file)
--- a/matita/matita/contribs/lambdadelta/static_2/static/frees_drops.ma
+++ b/matita/matita/contribs/lambdadelta/static_2/static/frees_drops.ma
@@ -20,7 +20,7 @@ include "static_2/static/frees_fqup.ma".
 
 (* Advanced properties ******************************************************)
 
-lemma frees_atom_drops: 
+lemma frees_atom_drops:
       ∀b,L,i. ⇩*[b,𝐔❴i❵] L ≘ ⋆ →
       ∀f. 𝐈⦃f⦄ → L ⊢ 𝐅+⦃#i⦄ ≘ ⫯*[i]↑f.
 #b #L elim L -L /2 width=1 by frees_atom/
@@ -31,7 +31,7 @@ lemma frees_atom_drops:
 qed.
 
 lemma frees_pair_drops:
-      ∀f,K,V. K ⊢ 𝐅+⦃V⦄ ≘ f → 
+      ∀f,K,V. K ⊢ 𝐅+⦃V⦄ ≘ f →
       ∀i,I,L. ⇩*[i] L ≘ K.ⓑ{I}V → L ⊢ 𝐅+⦃#i⦄ ≘ ⫯*[i] ↑f.
 #f #K #V #Hf #i elim i -i
 [ #I #L #H lapply (drops_fwd_isid … H ?) -H /2 width=1 by frees_pair/