Nuprl Lemma : st-decrypt_wf

[T:Id ─→ Type]. ∀[tab:secret-table(T)]. ∀[kx:ℕ 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: atom: Atom$n 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
Lemmas :  isl_wf nat_wf data_wf unit_wf2 st-lookup_wf bool_wf eqtt_to_assert st-key-match_wf eqff_to_assert equal_wf bool_cases_sqequal subtype_base_sq bool_subtype_base assert-bnot it_wf spread_wf assert_elim bfalse_wf and_wf btrue_neq_bfalse secret-table_wf Id_wf
\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: 2015_07_17-AM-08_57_15
Last ObjectModification: 2015_01_27-PM-01_03_07

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