Nuprl Lemma : event-has_functionality

s:SES. (ActionsDisjoint  (∀es:EO+(Info). ∀x,y:E.  (same-action(x;y)  (∀a:Atom1. ((x has a)  (y has a))))))


Proof




Definitions occuring in Statement :  ses-disjoint: ActionsDisjoint same-action: same-action(x;y) event-has: (e has a) ses-info: Info security-event-structure: SES event-ordering+: EO+(Info) es-E: E atom: Atom$n all: x:A. B[x] implies:  Q
Lemmas :  subtype_base_sq int_subtype_base not_wf squash_wf true_wf free-from-atom_wf or_wf assert_wf in-eclass_wf ses-info_wf ses-send_wf es-interface-subtype_rel2 es-E_wf event-ordering+_subtype event-ordering+_wf top_wf subtype_top sdata_wf less_than_wf ses-rcv_wf ses-encrypt_wf encryption-key_wf ses-decrypt_wf ses-sign_wf Id_wf ses-verify_wf ses-new_wf event-has_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{}a:Atom1.  ((x  has  a)  {}\mRightarrow{}  (y  has  a))))))



Date html generated: 2015_07_23-PM-00_08_25
Last ObjectModification: 2015_01_29-AM-07_53_59

Home Index