{ [T:Id  Type]. [tab:secret-table(T)]. [kx: + Atom1  Atom1].
    (decrypt(tab;kx)  data(T)?) }

{ Proof }



Definitions occuring in Statement :  st-decrypt: decrypt(tab;kval) secret-table: secret-table(T) data: data(T) Id: Id nat: uall: [x:A]. B[x] unit: Unit member: t  T function: x:A  B[x] product: x:A  B[x] union: left + right universe: Type atom: Atom$n
Definitions :  uall: [x:A]. B[x] member: t  T st-decrypt: decrypt(tab;kval) prop: bfalse: ff ifthenelse: if b then t else f fi  all: x:A. B[x] implies: P  Q btrue: tt uimplies: b supposing a unit: Unit bool: iff: P  Q and: P  Q it:
Lemmas :  nat_wf secret-table_wf Id_wf isl_wf data_wf unit_wf st-lookup_wf bool_wf assert_wf outl_wf ifthenelse_wf st-key-match_wf it_wf not_wf bnot_wf iff_weakening_uiff eqtt_to_assert uiff_transitivity eqff_to_assert assert_of_bnot

\mforall{}[T:Id  {}\mrightarrow{}  Type].  \mforall{}[tab:secret-table(T)].  \mforall{}[kx:\mBbbN{}  +  Atom1  \mtimes{}  Atom1].    (decrypt(tab;kx)  \mmember{}  data(T)?)


Date html generated: 2011_08_16-AM-11_00_32
Last ObjectModification: 2011_06_18-AM-09_34_07

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