src/HOL/Auth/Public.ML
changeset 9970 dfe4747c8318
parent 8054 2ce57ef2a4aa
child 10833 c0844a30ea4e
equal deleted inserted replaced
9969:4753185f1dd2 9970:dfe4747c8318
   140 by (Blast_tac 1);
   140 by (Blast_tac 1);
   141 qed "Nonce_supply1";
   141 qed "Nonce_supply1";
   142 
   142 
   143 Goal "Nonce (@ N. Nonce N ~: used evs) ~: used evs";
   143 Goal "Nonce (@ N. Nonce N ~: used evs) ~: used evs";
   144 by (rtac (lemma RS exE) 1);
   144 by (rtac (lemma RS exE) 1);
   145 by (rtac selectI 1);
   145 by (rtac someI 1);
   146 by (Fast_tac 1);
   146 by (Fast_tac 1);
   147 qed "Nonce_supply";
   147 qed "Nonce_supply";
   148 
   148 
   149 (*Tactic for possibility theorems*)
   149 (*Tactic for possibility theorems*)
   150 fun possibility_tac st = st |>
   150 fun possibility_tac st = st |>