--- a/simple_selinux/Current_prop.thy	Mon Dec 02 10:52:40 2013 +0800
+++ b/simple_selinux/Current_prop.thy	Tue Dec 03 22:42:48 2013 +0800
@@ -6,43 +6,6 @@
 
 context flask begin
 
-lemma procs_of_shm_prop1: "\<lbrakk> p_flag \<in> procs_of_shm s h; valid s\<rbrakk> \<Longrightarrow> h \<in> current_shms s"
-apply (induct s arbitrary:p_flag)
-apply (case_tac p_flag, simp, drule init_procs_has_shm, simp)
-apply (frule vd_cons, frule vt_grant_os)
-apply (case_tac a, auto split:if_splits option.splits)
-done
-
-lemma procs_of_shm_prop2: "\<lbrakk>(p, flag) \<in> procs_of_shm s h; valid s\<rbrakk> \<Longrightarrow> p \<in> current_procs s"
-apply (induct s arbitrary:p flag)
-apply (simp, drule init_procs_has_shm, simp)
-apply (frule vd_cons, frule vt_grant_os)
-apply (case_tac a, auto split:if_splits option.splits)
-done
-
-lemma procs_of_shm_prop2':
-  "\<lbrakk>p \<notin> current_procs s; valid s\<rbrakk> \<Longrightarrow> \<forall> flag h. (p, flag) \<notin> procs_of_shm s h"
-by (auto dest:procs_of_shm_prop2)
-
-lemma procs_of_shm_prop3: "\<lbrakk>(p, flag) \<in> procs_of_shm s h; (p, flag') \<in> procs_of_shm s h; valid s\<rbrakk>
-  \<Longrightarrow> flag = flag'"
-apply (induct s arbitrary:p flag flag')
-apply (simp, drule_tac flag = flag in init_procs_has_shm, drule_tac flag = flag' in init_procs_has_shm, simp)
-apply (frule vd_cons, frule vt_grant_os)
-apply (case_tac a, auto split:if_splits option.splits dest:procs_of_shm_prop2)
-done
-
-lemma procs_of_shm_prop4: "\<lbrakk>(p, flag) \<in> procs_of_shm s h; valid s\<rbrakk> \<Longrightarrow> flag_of_proc_shm s p h = Some flag"
-apply (induct s arbitrary:p flag)
-apply (simp, drule init_procs_has_shm, simp)
-apply (frule vd_cons, frule vt_grant_os)
-apply (case_tac a, auto split:if_splits option.splits dest:procs_of_shm_prop2)
-done
-
-lemma procs_of_shm_prop4':
-  "\<lbrakk>flag_of_proc_shm s p h = None; valid s\<rbrakk> \<Longrightarrow> \<forall> flag. (p, flag) \<notin> procs_of_shm s h"
-by (auto dest:procs_of_shm_prop4)
-
 lemma not_init_intro_proc:
   "\<lbrakk>p \<notin> current_procs s; valid s\<rbrakk> \<Longrightarrow> deleted (O_proc p) s \<or> p \<notin> init_procs"
 using not_deleted_init_proc by auto
@@ -51,47 +14,6 @@
   "\<lbrakk>p \<notin> current_procs s; valid s\<rbrakk> \<Longrightarrow> \<not> (\<not> deleted (O_proc p) s \<and> p \<in> init_procs)"
 using not_deleted_init_proc by auto
 
-lemma info_shm_flow_in_procs:
-  "\<lbrakk>info_flow_shm s p p'; valid s\<rbrakk> \<Longrightarrow> p \<in> current_procs s \<and> p' \<in> current_procs s"
-by (auto intro:procs_of_shm_prop2 simp:info_flow_shm_def one_flow_shm_def)
-
-lemma flag_of_proc_shm_prop1:
-  "\<lbrakk>flag_of_proc_shm s p h = Some flag; valid s\<rbrakk> \<Longrightarrow> (p, flag) \<in> procs_of_shm s h"
-apply (induct s arbitrary:p flag)
-apply (simp, drule init_shmflag_has_proc, simp)
-apply (frule vd_cons, frule vt_grant_os)
-apply (case_tac a, auto split:if_splits option.splits dest:procs_of_shm_prop2)
-done
-
-
-
-lemma has_same_inode_in_current:
-  "\<lbrakk>has_same_inode s f f'; valid s\<rbrakk> \<Longrightarrow> f \<in> current_files s \<and> f' \<in> current_files s"
-by (auto simp add:has_same_inode_def current_files_def same_inode_files_def 
-  is_file_def split:if_splits option.splits)
-
-
-lemma has_same_inode_prop1:
-  "\<lbrakk>has_same_inode s f f'; is_file s f; valid s\<rbrakk> \<Longrightarrow> is_file s f'"
-by (auto simp:has_same_inode_def same_inode_files_def is_file_def)
-
-lemma has_same_inode_prop1':
-  "\<lbrakk>has_same_inode s f f'; is_file s f'; valid s\<rbrakk> \<Longrightarrow> is_file s f"
-by (auto simp:has_same_inode_def is_file_def same_inode_files_def 
- split:if_splits option.splits)
-
-lemma has_same_inode_prop2:
-  "\<lbrakk>has_same_inode s f f'; file_of_proc_fd s p fd = Some f; valid s\<rbrakk> \<Longrightarrow> is_file s f'"
-apply (drule has_same_inode_prop1)
-apply (simp add:file_of_pfd_is_file, simp+)
-done
-
-lemma has_same_inode_prop2':
-  "\<lbrakk>has_same_inode s f f'; file_of_proc_fd s p fd = Some f'; valid s\<rbrakk> \<Longrightarrow> is_file s f"
-apply (drule has_same_inode_prop1')
-apply (simp add:file_of_pfd_is_file, simp+)
-done
-
 lemma tobj_in_init_alive:
   "tobj_in_init obj \<Longrightarrow> init_alive obj"
 by (case_tac obj, auto)