{ s:SES. es:EO+(Info). a:Atom1. e1,e2:E.
    e1 has* a  e2 has* cipherText(e1)  e2 has* a supposing e1  Encrypt }

{ Proof }



Definitions occuring in Statement :  event-has*: e has* a ses-crypt: cipherText(e) ses-encrypt: Encrypt ses-info: Info security-event-structure: SES in-eclass: e  X event-ordering+: EO+(Info) es-E: E assert: b uimplies: b supposing a all: x:A. B[x] implies: P  Q atom: Atom$n
Definitions :  all: x:A. B[x] uimplies: b supposing a implies: P  Q member: t  T top: Top so_lambda: x y.t[x; y] prop: es-E-interface: E(X) event-has*: e has* a infix_ap: x f y rel_star: R^* exists: x:A. B[x] and: P  Q nat: le: A  B not: A false: False ses-info-flow: ->> uall: [x:A]. B[x] so_apply: x[s1;s2] rev_implies: P  Q iff: P  Q subtype: S  T
Lemmas :  assert_witness in-eclass_wf ses-info_wf ses-encrypt_wf es-interface-subtype_rel2 sdata_wf encryption-key_wf es-E_wf event-ordering+_inc event-ordering+_wf top_wf event-has*_wf ses-crypt_wf assert_wf security-event-structure_wf event-has_wf nat_wf rel_exp_wf ses-info-flow_wf rel_exp_add le_wf rel_exp_one nat_properties

\mforall{}s:SES.  \mforall{}es:EO+(Info).  \mforall{}a:Atom1.  \mforall{}e1,e2:E.
    e1  has*  a  {}\mRightarrow{}  e2  has*  cipherText(e1)  {}\mRightarrow{}  e2  has*  a  supposing  \muparrow{}e1  \mmember{}\msubb{}  Encrypt


Date html generated: 2011_08_17-PM-07_21_09
Last ObjectModification: 2011_06_18-PM-01_13_55

Home Index