src/HOL/Auth/Smartcard/Smartcard.thy
changeset 80914 d97fdabd9e2b
parent 76299 0ad6f6508274
child 82630 2bb4a8d0111d
--- a/src/HOL/Auth/Smartcard/Smartcard.thy	Fri Sep 20 19:07:10 2024 +0200
+++ b/src/HOL/Auth/Smartcard/Smartcard.thy	Fri Sep 20 19:51:08 2024 +0200
@@ -42,7 +42,7 @@
   shrK_disj_pin [iff]:  "shrK P \<noteq> pin Q" and
   crdK_disj_pin [iff]:   "crdK C \<noteq> pin P"
 
-definition legalUse :: "card => bool" ("legalUse (_)") where
+definition legalUse :: "card => bool" (\<open>legalUse (_)\<close>) where
   "legalUse C == C \<notin> stolen"
 
 primrec illegalUse :: "card  => bool" where