Nuprl Lemma : id-sdata-not-pair
∀[a:Id]. ∀[d1,d2:SecurityData]. uiff(data(a) = <d1, d2> ∈ SecurityData;False)
Proof
Definitions occuring in Statement :
sdata-pair: <d1, d2>,
id-sdata: data(x),
sdata: SecurityData,
Id: Id,
uiff: uiff(P;Q),
uall: ∀[x:A]. B[x],
false: False,
equal: s = t ∈ T
Lemmas :
sdata-pair?_wf,
sdata_pair_id_lemma,
sdata_pair_rec_lemma,
btrue_neq_bfalse,
equal_wf,
sdata_wf,
id-sdata_wf,
sdata-pair_wf,
false_wf,
Id_wf
Latex:
\mforall{}[a:Id]. \mforall{}[d1,d2:SecurityData]. uiff(data(a) = <d1, d2>False)
Date html generated:
2015_07_23-PM-00_00_55
Last ObjectModification:
2015_01_29-AM-07_43_09
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