Nuprl Lemma : id-sdata-one-one

∀[a,b:Id].  uiff(data(a) = data(b) ∈ SecurityData;a = b ∈ Id)


Proof




Definitions occuring in Statement :  id-sdata: data(x),  sdata: SecurityData,  Id: Id,  uiff: uiff(P;Q),  uall: ∀[x:A]. B[x],  equal: s = t ∈ T
Lemmas :  equal_wf,  sdata_wf,  id-sdata_wf,  and_wf,  Id_wf,  tree_leaf?_wf,  bool_wf,  eqtt_to_assert,  tree_leaf-value_wf,  eqff_to_assert,  bool_cases_sqequal,  subtype_base_sq,  bool_subtype_base,  assert-bnot,  tree_wf,  assert_wf,  outl_wf,  isl_wf

Latex:
\mforall{}[a,b:Id].    uiff(data(a)  =  data(b);a  =  b)



Date html generated: 2015_07_23-PM-00_00_49
Last ObjectModification: 2015_01_29-AM-07_43_37

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