]> matita.cs.unibo.it Git - helm.git/blobdiff - matita/matita/contribs/lambdadelta/ground/lib/stream_tls.ma
update in ground and static_2
[helm.git] / matita / matita / contribs / lambdadelta / ground / lib / stream_tls.ma
index 185de605e6ac1b4ec96984630311e0ca8d226b70..670790c914e74ca46928b2500303a39c37b1fe6f 100644 (file)
@@ -12,7 +12,7 @@
 (*                                                                        *)
 (**************************************************************************)
 
-include "ground/notation/functions/downspoonstar_3.ma".
+include "ground/notation/functions/downdashedarrowstar_3.ma".
 include "ground/lib/stream_hdtl.ma".
 include "ground/arith/nat_succ_iter.ma".
 
@@ -23,26 +23,26 @@ definition stream_tls (A) (n): stream A → stream A ≝
 
 interpretation
   "iterated tail (strams)"
-  'DownSpoonStar A n f = (stream_tls A n f).
+  'DownDashedArrowStar A n f = (stream_tls A n f).
 
 (* Basic constructions ******************************************************)
 
 lemma stream_tls_zero (A) (t):
-      t = â«°*{A}[𝟎]t.
+      t = â\87£*{A}[𝟎]t.
 // qed.
 
 lemma stream_tls_tl (A) (n) (t):
-      (â«°â«°*[n]t) = â«°*{A}[n]â«°t.
+      (â\87£â\87£*[n]t) = â\87£*{A}[n]â\87£t.
 #A #n #t
 @(niter_appl … (stream_tl …))
 qed.
 
 lemma stream_tls_succ (A) (n) (t):
-      (â«°â«°*[n]t) = â«°*{A}[↑n]t.
+      (â\87£â\87£*[n]t) = â\87£*{A}[↑n]t.
 #A #n #t
 @(niter_succ … (stream_tl …))
 qed.
 
 lemma stream_tls_swap (A) (n) (t):
-      (â«°*[n]â«°t) = â«°*{A}[↑n]t.
+      (â\87£*[n]â\87£t) = â\87£*{A}[↑n]t.
 // qed.