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