1.1 --- a/NEWS Fri Mar 10 17:57:09 2006 +0100
1.2 +++ b/NEWS Fri Mar 10 19:49:58 2006 +0100
1.3 @@ -78,11 +78,10 @@
1.4
1.5 * Isar: the goal restriction operator [N] (default N = 1) evaluates a
1.6 method expression within a sandbox consisting of the first N
1.7 -sub-goals, which need to exist. (Recall that proper Isar proof methods
1.8 -do not admit arbitrary goal addressing, unlike certain tactic
1.9 -emulations.) For example, ``simp_all [3]'' simplifies the first three
1.10 -sub-goals, while (rule foo, simp_all)[] simplifies all new goals that
1.11 -emerge from applying rule foo to the originally first one.
1.12 +sub-goals, which need to exist. For example, ``simp_all [3]''
1.13 +simplifies the first three sub-goals, while (rule foo, simp_all)[]
1.14 +simplifies all new goals that emerge from applying rule foo to the
1.15 +originally first one.
1.16
1.17 * Isar: the conclusion of a long theorem statement is now either
1.18 'shows' (a simultaneous conjunction, as before), or 'obtains'