author | wenzelm |
Wed, 09 Oct 2024 22:00:12 +0200 | |
changeset 81140 | e66172629fcc |
parent 81139 | d74e53f67474 |
child 81141 | 3e3e7a68cd80 |
--- a/src/HOL/Groups_Big.thy Wed Oct 09 14:12:56 2024 +0200 +++ b/src/HOL/Groups_Big.thy Wed Oct 09 22:00:12 2024 +0200 @@ -1415,8 +1415,8 @@ sublocale prod: comm_monoid_set times 1 defines prod = prod.F and prod' = prod.G .. -abbreviation Prod (\<open>(\<open>open_block notation=\<open>prefix \<Prod>\<close>\<close>\<Prod>_)\<close> [1000] 999) - where "\<Prod>A \<equiv> prod (\<lambda>x. x) A" +abbreviation Prod (\<open>\<Prod>\<close>) + where "\<Prod> \<equiv> prod (\<lambda>x. x)" end