Nuprl Lemma : atom-sdata-has-atom

∀[a,b:Atom1].  uiff(b#data(a):SecurityData;¬(a = b ∈ Atom1))


Proof




Definitions occuring in Statement :  atom-sdata: data(a),  sdata: SecurityData,  free-from-atom: a#x:T,  atom: Atom$n,  uiff: uiff(P;Q),  uall: ∀[x:A]. B[x],  not: ¬A,  equal: s = t ∈ T
Lemmas :  equal-wf-base,  atom1_subtype_base,  free-from-atom_wf,  sdata_wf,  atom-sdata_wf,  not_wf,  subtype_base_sq,  exists_wf,  equal-wf-T-base,  sdata_subtype_base

Latex:
\mforall{}[a,b:Atom1].    uiff(b\#data(a):SecurityData;\mneg{}(a  =  b))



Date html generated: 2015_07_23-PM-00_01_09
Last ObjectModification: 2015_01_29-AM-07_44_29

Home Index