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power constraint needed, though
authorhaftmann
Tue, 28 Apr 2009 16:58:23 +0200
changeset 31019 0a38079e789b
parent 31018 b8a8cf6e16f2
child 31020 9999a77590c3
power constraint needed, though
src/HOL/NSA/NSComplex.thy file | annotate | diff | comparison | revisions 
--- a/src/HOL/NSA/NSComplex.thy	Tue Apr 28 15:50:32 2009 +0200
+++ b/src/HOL/NSA/NSComplex.thy	Tue Apr 28 16:58:23 2009 +0200
@@ -383,7 +383,7 @@
 by transfer (rule power_mult_distrib)
 
 lemma hcpow_zero2 [simp]:
-  "\<And>n. 0 pow (hSuc n) = (0::'a::{semiring_0} star)"
+  "\<And>n. 0 pow (hSuc n) = (0::'a::{power,semiring_0} star)"
 by transfer (rule power_0_Suc)
 
 lemma hcpow_not_zero [simp,intro]:
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