{ s:SES
    (ActionsDisjoint
     PropertyD
        (es:EO+(Info). A:Id. thr:Thread. e:E.
             (Legal(thr)@A
              e  thr
                 (a:Act. ((a <loc e)  a  thr  (a has cipherText(e)))) 
                supposing e  Decrypt)) 
       supposing NoncesCiphersAndKeysDisjoint) }

{ Proof }



Definitions occuring in Statement :  ses-legal-thread: Legal(thr)@A ses-thread-member: e  thr ses-thread: Thread ses-nonce-disjoint: NoncesCiphersAndKeysDisjoint ses-disjoint: ActionsDisjoint ses-D: PropertyD event-has: (e has a) ses-act: Act ses-cipher: cipherText(e) ses-decrypt: Decrypt ses-info: Info security-event-structure: SES in-eclass: e  X event-ordering+: EO+(Info) es-locl: (e <loc e') es-E: E Id: Id assert: b uimplies: b supposing a all: x:A. B[x] exists: x:A. B[x] implies: P  Q and: P  Q
Definitions :  all: x:A. B[x] implies: P  Q uimplies: b supposing a ses-nonce-disjoint: NoncesCiphersAndKeysDisjoint ses-thread: Thread ses-legal-thread: Legal(thr)@A assert: b ses-thread-member: e  thr exists: x:A. B[x] and: P  Q member: t  T not: A false: False so_lambda: x y.t[x; y] btrue: tt ifthenelse: if b then t else f fi  true: True top: Top subtype: S  T prop: le: A  B cand: A c B es-E-interface: E(X) or: P  Q int_seg: {i..j} lelt: i  j < k squash: T uall: [x:A]. B[x] so_apply: x[s1;s2] sq_type: SQType(T) guard: {T} l_contains: A  B l_all: (xL.P[x]) rev_implies: P  Q iff: P  Q ses-act: Act ses-D: PropertyD
Lemmas :  eclass-val_wf ses-info_wf es-E_wf event-ordering+_wf ses-new_wf subtype_base_sq bool_subtype_base ses-sig_wf es-E-interface_wf ses-sign_wf es-interface-subtype_rel2 sdata_wf Id_wf event-ordering+_inc top_wf ses-crypt_wf ses-encrypt_wf encryption-key_wf ses-private_wf assert_witness in-eclass_wf ses-decrypt_wf int_seg_wf length_wf1 ses-act_wf select_wf assert_wf l_contains_wf ses-used-atoms_wf concat_wf map_wf le_wf from-upto_wf ses-useable-atoms_wf es-locl_wf ses-D_wf ses-nonce-disjoint_wf ses-disjoint_wf security-event-structure_wf assert_elim ses-cipher_wf l_member_wf member-used-atoms encryption-key-atoms_wf ses-decryption-key_wf ses-verify_wf ses-verify-sig_wf sdata-atoms_wf ses-verify-signed_wf ses-signed_wf ses-encrypted_wf ses-encryption-key_wf ses-send_wf cons_member member-concat member_map event-has_wf ses-thread-order squash_wf true_wf event_ordering_wf ses-act-has-atom list_subtype_base atom1_subtype_base

\mforall{}s:SES
    (ActionsDisjoint
    {}\mRightarrow{}  PropertyD
          {}\mRightarrow{}  (\mforall{}es:EO+(Info).  \mforall{}A:Id.  \mforall{}thr:Thread.  \mforall{}e:E.
                      (Legal(thr)@A
                      {}\mRightarrow{}  e  \mmember{}  thr  {}\mRightarrow{}  (\mexists{}a:Act.  ((a  <loc  e)  \mwedge{}  a  \mmember{}  thr  \mwedge{}  (a  has  cipherText(e)))) 
                            supposing  \muparrow{}e  \mmember{}\msubb{}  Decrypt)) 
          supposing  NoncesCiphersAndKeysDisjoint)


Date html generated: 2011_08_17-PM-07_36_05
Last ObjectModification: 2011_06_18-PM-01_28_33

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