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src/HOL/Real.thy
changeset 73932 fd21b4a93043
parent 72607 feebdaa346e5
child 75327 f4a39342111b 
--- a/src/HOL/Real.thy	Fri Jun 18 15:03:12 2021 +0200
+++ b/src/HOL/Real.thy	Thu Jul 08 08:42:36 2021 +0200
@@ -1466,7 +1466,7 @@
 
 lemma floor_minus_one_divide_eq_div_numeral [simp]:
   "\<lfloor>- (1 / numeral b)::real\<rfloor> = - 1 div numeral b"
-by (metis (mono_tags, hide_lams) div_minus_right minus_divide_right
+by (metis (mono_tags, opaque_lifting) div_minus_right minus_divide_right
     floor_divide_of_int_eq of_int_neg_numeral of_int_1)
 
 lemma floor_divide_eq_div_numeral [simp]:
isabelle