X-Git-Url: http://matita.cs.unibo.it/gitweb/?p=helm.git;a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fstatic_2%2Frelocation%2Flifts.ma;h=4ec47cc91e47a93787cc259b65cc02b62541d386;hp=681363f03ff4c25db723b563f6000441ae5f190c;hb=f308429a0fde273605a2330efc63268b4ac36c99;hpb=87f57ddc367303c33e19c83cd8989cd561f3185b

diff --git a/matita/matita/contribs/lambdadelta/static_2/relocation/lifts.ma b/matita/matita/contribs/lambdadelta/static_2/relocation/lifts.ma
index 681363f03..4ec47cc91 100644
--- a/matita/matita/contribs/lambdadelta/static_2/relocation/lifts.ma
+++ b/matita/matita/contribs/lambdadelta/static_2/relocation/lifts.ma
@@ -24,7 +24,7 @@ include "static_2/syntax/term.ma".
 *)
 inductive lifts: rtmap → relation term ≝
 | lifts_sort: ∀f,s. lifts f (⋆s) (⋆s)
-| lifts_lref: ∀f,i1,i2. @⦃i1, f⦄ ≘ i2 → lifts f (#i1) (#i2)
+| lifts_lref: ∀f,i1,i2. @⦃i1,f⦄ ≘ i2 → lifts f (#i1) (#i2)
 | lifts_gref: ∀f,l. lifts f (§l) (§l)
 | lifts_bind: ∀f,p,I,V1,V2,T1,T2.
               lifts f V1 V2 → lifts (⫯f) T1 T2 →
@@ -80,7 +80,7 @@ lemma lifts_inv_sort1: ∀f,Y,s. ⬆*[f] ⋆s ≘ Y → Y = ⋆s.
 /2 width=4 by lifts_inv_sort1_aux/ qed-.
 
 fact lifts_inv_lref1_aux: ∀f,X,Y. ⬆*[f] X ≘ Y → ∀i1. X = #i1 →
-                          ∃∃i2. @⦃i1, f⦄ ≘ i2 & Y = #i2.
+                          ∃∃i2. @⦃i1,f⦄ ≘ i2 & Y = #i2.
 #f #X #Y * -f -X -Y
 [ #f #s #x #H destruct
 | #f #i1 #i2 #Hi12 #x #H destruct /2 width=3 by ex2_intro/
@@ -93,7 +93,7 @@ qed-.
 (* Basic_1: was: lift1_lref *)
 (* Basic_2A1: includes: lift_inv_lref1 lift_inv_lref1_lt lift_inv_lref1_ge *)
 lemma lifts_inv_lref1: ∀f,Y,i1. ⬆*[f] #i1 ≘ Y →
-                       ∃∃i2. @⦃i1, f⦄ ≘ i2 & Y = #i2.
+                       ∃∃i2. @⦃i1,f⦄ ≘ i2 & Y = #i2.
 /2 width=3 by lifts_inv_lref1_aux/ qed-.
 
 fact lifts_inv_gref1_aux: ∀f,X,Y. ⬆*[f] X ≘ Y → ∀l. X = §l → Y = §l.
@@ -162,7 +162,7 @@ lemma lifts_inv_sort2: ∀f,X,s. ⬆*[f] X ≘ ⋆s → X = ⋆s.
 /2 width=4 by lifts_inv_sort2_aux/ qed-.
 
 fact lifts_inv_lref2_aux: ∀f,X,Y. ⬆*[f] X ≘ Y → ∀i2. Y = #i2 →
-                          ∃∃i1. @⦃i1, f⦄ ≘ i2 & X = #i1.
+                          ∃∃i1. @⦃i1,f⦄ ≘ i2 & X = #i1.
 #f #X #Y * -f -X -Y
 [ #f #s #x #H destruct
 | #f #i1 #i2 #Hi12 #x #H destruct /2 width=3 by ex2_intro/
@@ -175,7 +175,7 @@ qed-.
 (* Basic_1: includes: lift_gen_lref lift_gen_lref_lt lift_gen_lref_false lift_gen_lref_ge *)
 (* Basic_2A1: includes: lift_inv_lref2 lift_inv_lref2_lt lift_inv_lref2_be lift_inv_lref2_ge lift_inv_lref2_plus *)
 lemma lifts_inv_lref2: ∀f,X,i2. ⬆*[f] X ≘ #i2 →
-                       ∃∃i1. @⦃i1, f⦄ ≘ i2 & X = #i1.
+                       ∃∃i1. @⦃i1,f⦄ ≘ i2 & X = #i1.
 /2 width=3 by lifts_inv_lref2_aux/ qed-.
 
 fact lifts_inv_gref2_aux: ∀f,X,Y. ⬆*[f] X ≘ Y → ∀l. Y = §l → X = §l.
@@ -234,7 +234,7 @@ lemma lifts_inv_flat2: ∀f:rtmap. ∀I,V2,T2,X. ⬆*[f] X ≘ ⓕ{I}V2.T2 →
 
 lemma lifts_inv_atom1: ∀f,I,Y. ⬆*[f] ⓪{I} ≘ Y →
                        ∨∨ ∃∃s. I = Sort s & Y = ⋆s
-                        | ∃∃i,j. @⦃i, f⦄ ≘ j & I = LRef i & Y = #j
+                        | ∃∃i,j. @⦃i,f⦄ ≘ j & I = LRef i & Y = #j
                         | ∃∃l. I = GRef l & Y = §l.
 #f * #n #Y #H
 [ lapply (lifts_inv_sort1 … H)
@@ -245,7 +245,7 @@ qed-.
 
 lemma lifts_inv_atom2: ∀f,I,X. ⬆*[f] X ≘ ⓪{I} →
                        ∨∨ ∃∃s. X = ⋆s & I = Sort s
-                        | ∃∃i,j. @⦃i, f⦄ ≘ j & X = #i & I = LRef j
+                        | ∃∃i,j. @⦃i,f⦄ ≘ j & X = #i & I = LRef j
                         | ∃∃l. X = §l & I = GRef l.
 #f * #n #X #H
 [ lapply (lifts_inv_sort2 … H)