author | kleing |
Tue, 13 May 2003 08:59:21 +0200 | |
changeset 14024 | 213dcc39358f |
parent 12218 | 6597093b77e7 |
child 14981 | e73f8140af78 |
permissions | -rw-r--r-- |
(* Title: HOL/IOA/NTP/Packet.ML ID: $Id$ Author: Tobias Nipkow & Konrad Slind License: GPL (GNU GENERAL PUBLIC LICENSE) Packets. *) (* Instantiation of a tautology? *) Goal "!x. x = packet --> hdr(x) = hdr(packet)"; by (simp_tac (simpset() addsimps [Packet.hdr_def]) 1); qed "eq_packet_imp_eq_hdr"; Addsimps [Packet.hdr_def,Packet.msg_def];