paulson [Thu, 10 Jun 1999 10:41:36 +0200] rev 6813
many new lemmas about take & drop, incl the famous take-lemma
Ran expandshort
paulson [Thu, 10 Jun 1999 10:40:57 +0200] rev 6812
moved predicates refl, sym down to Relation.thy
paulson [Thu, 10 Jun 1999 10:39:38 +0200] rev 6811
Always_LeadsTo_pre. Always_LeadsTo_post: new equivalences suggested by Misra
paulson [Thu, 10 Jun 1999 10:38:41 +0200] rev 6810
using the new GenPrefix theory
paulson [Thu, 10 Jun 1999 10:38:11 +0200] rev 6809
shortened Follows to Fols
paulson [Thu, 10 Jun 1999 10:37:29 +0200] rev 6808
tidied
paulson [Thu, 10 Jun 1999 10:36:41 +0200] rev 6807
new translation to allow images over Nonce
paulson [Thu, 10 Jun 1999 10:35:58 +0200] rev 6806
new preficates refl, sym [from Integ/Equiv], antisym
paulson [Thu, 10 Jun 1999 10:34:55 +0200] rev 6805
new lemma less_Suc_eq_0_disj
paulson [Thu, 10 Jun 1999 10:24:32 +0200] rev 6804
Generalized prefix theory, replacing the reference to directory Lex.