--- a/src/Sequents/T.thy Thu Feb 28 14:10:54 2013 +0100
+++ b/src/Sequents/T.thy Thu Feb 28 14:22:14 2013 +0100
@@ -7,25 +7,25 @@
imports Modal0
begin
-axioms
+axiomatization where
(* Definition of the star operation using a set of Horn clauses *)
(* For system T: gamma * == {P | []P : gamma} *)
(* delta * == {P | <>P : delta} *)
- lstar0: "|L>"
- lstar1: "$G |L> $H ==> []P, $G |L> P, $H"
- lstar2: "$G |L> $H ==> P, $G |L> $H"
- rstar0: "|R>"
- rstar1: "$G |R> $H ==> <>P, $G |R> P, $H"
- rstar2: "$G |R> $H ==> P, $G |R> $H"
+ lstar0: "|L>" and
+ lstar1: "$G |L> $H ==> []P, $G |L> P, $H" and
+ lstar2: "$G |L> $H ==> P, $G |L> $H" and
+ rstar0: "|R>" and
+ rstar1: "$G |R> $H ==> <>P, $G |R> P, $H" and
+ rstar2: "$G |R> $H ==> P, $G |R> $H" and
(* Rules for [] and <> *)
boxR:
"[| $E |L> $E'; $F |R> $F'; $G |R> $G';
- $E' |- $F', P, $G'|] ==> $E |- $F, []P, $G"
- boxL: "$E, P, $F |- $G ==> $E, []P, $F |- $G"
- diaR: "$E |- $F, P, $G ==> $E |- $F, <>P, $G"
+ $E' |- $F', P, $G'|] ==> $E |- $F, []P, $G" and
+ boxL: "$E, P, $F |- $G ==> $E, []P, $F |- $G" and
+ diaR: "$E |- $F, P, $G ==> $E |- $F, <>P, $G" and
diaL:
"[| $E |L> $E'; $F |L> $F'; $G |R> $G';
$E', P, $F'|- $G'|] ==> $E, <>P, $F |- $G"