Nuprl Lemma : ses-info-flow_functionality

∀s:SES. (ActionsDisjoint ⇒ (∀es:EO+(Info). ∀x,y:E.  (same-action(x;y) ⇒ (∀e:E. ((e ->> x) ⇒ (e ->> y))))))


Proof




Definitions occuring in Statement :  ses-disjoint: ActionsDisjoint,  ses-info-flow: ->>,  same-action: same-action(x;y),  ses-info: Info,  security-event-structure: SES,  event-ordering+: EO+(Info),  es-E: E,  infix_ap: x f y,  all: ∀x:A. B[x],  implies: P ⇒ Q
Lemmas :  event-has_functionality,  assert_wf,  in-eclass_wf,  ses-info_wf,  ses-encrypt_wf,  es-interface-subtype_rel2,  es-E_wf,  event-ordering+_subtype,  event-ordering+_wf,  top_wf,  subtype_top,  sdata_wf,  encryption-key_wf,  event-has_wf,  ses-crypt_wf,  same-action_wf,  ses-disjoint_wf,  security-event-structure_wf

Latex:
\mforall{}s:SES
    (ActionsDisjoint
    {}\mRightarrow{}  (\mforall{}es:EO+(Info).  \mforall{}x,y:E.    (same-action(x;y)  {}\mRightarrow{}  (\mforall{}e:E.  ((e  ->>  x)  {}\mRightarrow{}  (e  ->>  y))))))



Date html generated: 2015_07_23-PM-00_08_27
Last ObjectModification: 2015_01_29-AM-07_49_42

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