milestone update in ground_2 and basic_2A

[helm.git] / matita / matita / contribs / lambdadelta / ground_2 / relocation / rtmap_sand.ma

diff --git a/matita/matita/contribs/lambdadelta/ground_2/relocation/rtmap_sand.ma b/matita/matita/contribs/lambdadelta/ground_2/relocation/rtmap_sand.ma
index 7e97d953ba26d1a1bb736de70eeaf40d0d00350b..2a2058c5942ad6573a5d240992280918fc05b781 100644 (file)
--- a/matita/matita/contribs/lambdadelta/ground_2/relocation/rtmap_sand.ma
+++ b/matita/matita/contribs/lambdadelta/ground_2/relocation/rtmap_sand.ma
@@ -16,10 +16,10 @@ include "ground_2/notation/relations/rintersection_3.ma".
 include "ground_2/relocation/rtmap_sle.ma".
 
 coinductive sand: relation3 rtmap rtmap rtmap ≝
-| sand_pp: â\88\80f1,f2,f,g1,g2,g. sand f1 f2 f â\86\92 â\86\91f1 = g1 â\86\92 â\86\91f2 = g2 â\86\92 â\86\91f = g → sand g1 g2 g
-| sand_np: â\88\80f1,f2,f,g1,g2,g. sand f1 f2 f â\86\92 ⫯f1 = g1 â\86\92 â\86\91f2 = g2 â\86\92 â\86\91f = g → sand g1 g2 g
-| sand_pn: â\88\80f1,f2,f,g1,g2,g. sand f1 f2 f â\86\92 â\86\91f1 = g1 â\86\92 ⫯f2 = g2 â\86\92 â\86\91f = g → sand g1 g2 g
-| sand_nn: â\88\80f1,f2,f,g1,g2,g. sand f1 f2 f â\86\92 ⫯f1 = g1 â\86\92 ⫯f2 = g2 â\86\92 ⫯f = g → sand g1 g2 g
+| sand_pp: â\88\80f1,f2,f,g1,g2,g. sand f1 f2 f â\86\92 ⫯f1 = g1 â\86\92 ⫯f2 = g2 â\86\92 ⫯f = g → sand g1 g2 g
+| sand_np: â\88\80f1,f2,f,g1,g2,g. sand f1 f2 f â\86\92 â\86\91f1 = g1 â\86\92 ⫯f2 = g2 â\86\92 ⫯f = g → sand g1 g2 g
+| sand_pn: â\88\80f1,f2,f,g1,g2,g. sand f1 f2 f â\86\92 ⫯f1 = g1 â\86\92 â\86\91f2 = g2 â\86\92 ⫯f = g → sand g1 g2 g
+| sand_nn: â\88\80f1,f2,f,g1,g2,g. sand f1 f2 f â\86\92 â\86\91f1 = g1 â\86\92 â\86\91f2 = g2 â\86\92 â\86\91f = g → sand g1 g2 g
 .
 
 interpretation "intersection (rtmap)"
@@ -27,8 +27,8 @@ interpretation "intersection (rtmap)"
 
 (* Basic inversion lemmas ***************************************************)
 
-lemma sand_inv_ppx: â\88\80g1,g2,g. g1 â\8b\92 g2 â\89\98 g â\86\92 â\88\80f1,f2. â\86\91f1 = g1 â\86\92 â\86\91f2 = g2 →
-                    â\88\83â\88\83f. f1 â\8b\92 f2 â\89\98 f & â\86\91f = g.
+lemma sand_inv_ppx: â\88\80g1,g2,g. g1 â\8b\92 g2 â\89\98 g â\86\92 â\88\80f1,f2. ⫯f1 = g1 â\86\92 ⫯f2 = g2 →
+                    â\88\83â\88\83f. f1 â\8b\92 f2 â\89\98 f & ⫯f = g.
 #g1 #g2 #g * -g1 -g2 -g
 #f1 #f2 #f #g1 #g2 #g #Hf #H1 #H2 #H0 #x1 #x2 #Hx1 #Hx2 destruct
 try (>(injective_push … Hx1) -x1) try (>(injective_next … Hx1) -x1)
@@ -38,8 +38,8 @@ try elim (discr_push_next … Hx2) try elim (discr_next_push … Hx2)
 /2 width=3 by ex2_intro/
 qed-.
 
-lemma sand_inv_npx: â\88\80g1,g2,g. g1 â\8b\92 g2 â\89\98 g â\86\92 â\88\80f1,f2. ⫯f1 = g1 â\86\92 â\86\91f2 = g2 →
-                    â\88\83â\88\83f. f1 â\8b\92 f2 â\89\98 f & â\86\91f = g.
+lemma sand_inv_npx: â\88\80g1,g2,g. g1 â\8b\92 g2 â\89\98 g â\86\92 â\88\80f1,f2. â\86\91f1 = g1 â\86\92 ⫯f2 = g2 →
+                    â\88\83â\88\83f. f1 â\8b\92 f2 â\89\98 f & ⫯f = g.
 #g1 #g2 #g * -g1 -g2 -g
 #f1 #f2 #f #g1 #g2 #g #Hf #H1 #H2 #H0 #x1 #x2 #Hx1 #Hx2 destruct
 try (>(injective_push … Hx1) -x1) try (>(injective_next … Hx1) -x1)
@@ -49,8 +49,8 @@ try elim (discr_push_next … Hx2) try elim (discr_next_push … Hx2)
 /2 width=3 by ex2_intro/
 qed-.
 
-lemma sand_inv_pnx: â\88\80g1,g2,g. g1 â\8b\92 g2 â\89\98 g â\86\92 â\88\80f1,f2. â\86\91f1 = g1 â\86\92 ⫯f2 = g2 →
-                    â\88\83â\88\83f. f1 â\8b\92 f2 â\89\98 f & â\86\91f = g.
+lemma sand_inv_pnx: â\88\80g1,g2,g. g1 â\8b\92 g2 â\89\98 g â\86\92 â\88\80f1,f2. ⫯f1 = g1 â\86\92 â\86\91f2 = g2 →
+                    â\88\83â\88\83f. f1 â\8b\92 f2 â\89\98 f & ⫯f = g.
 #g1 #g2 #g * -g1 -g2 -g
 #f1 #f2 #f #g1 #g2 #g #Hf #H1 #H2 #H0 #x1 #x2 #Hx1 #Hx2 destruct
 try (>(injective_push … Hx1) -x1) try (>(injective_next … Hx1) -x1)
@@ -60,8 +60,8 @@ try elim (discr_push_next … Hx2) try elim (discr_next_push … Hx2)
 /2 width=3 by ex2_intro/
 qed-.
 
-lemma sand_inv_nnx: â\88\80g1,g2,g. g1 â\8b\92 g2 â\89\98 g â\86\92 â\88\80f1,f2. ⫯f1 = g1 â\86\92 ⫯f2 = g2 →
-                    â\88\83â\88\83f. f1 â\8b\92 f2 â\89\98 f & ⫯f = g.
+lemma sand_inv_nnx: â\88\80g1,g2,g. g1 â\8b\92 g2 â\89\98 g â\86\92 â\88\80f1,f2. â\86\91f1 = g1 â\86\92 â\86\91f2 = g2 →
+                    â\88\83â\88\83f. f1 â\8b\92 f2 â\89\98 f & â\86\91f = g.
 #g1 #g2 #g * -g1 -g2 -g
 #f1 #f2 #f #g1 #g2 #g #Hf #H1 #H2 #H0 #x1 #x2 #Hx1 #Hx2 destruct
 try (>(injective_push … Hx1) -x1) try (>(injective_next … Hx1) -x1)