]> matita.cs.unibo.it Git - helm.git/blobdiff - matita/matita/contribs/lambdadelta/ground/lib/stream_tls.ma
milestone update in ground
[helm.git] / matita / matita / contribs / lambdadelta / ground / lib / stream_tls.ma
index 9f34ba81d06f5b1a723571a005b11f2be8f22654..185de605e6ac1b4ec96984630311e0ca8d226b70 100644 (file)
@@ -46,9 +46,3 @@ qed.
 lemma stream_tls_swap (A) (n) (t):
       (⫰*[n]⫰t) = ⫰*{A}[↑n]t.
 // qed.
-
-lemma stream_tls_eq_repl (A) (n):
-      stream_eq_repl A (λt1,t2. ⫰*[n] t1 ≗ ⫰*[n] t2).
-#A #n @(nat_ind_succ … n) -n //
-#n #IH * #n1 #t1 * #n2 #t2 #H elim (stream_eq_inv_cons … H) /2 width=7 by/
-qed.