Nuprl Lemma : update-assignment_wf

∀[Dom:Type]. ∀[a:FOAssignment(Dom)]. ∀[x:ℤ]. ∀[v:Dom].  (a[x := v] ∈ FOAssignment(Dom))


Proof




Definitions occuring in Statement :  update-assignment: a[x := v],  FOAssignment: FOAssignment(Dom),  uall: ∀[x:A]. B[x],  member: t ∈ T,  int: ℤ,  universe: Type
Lemmas :  eq_int_wf,  bool_wf,  eqff_to_assert,  equal_wf,  bool_cases_sqequal,  subtype_base_sq,  bool_subtype_base,  assert-bnot,  neg_assert_of_eq_int,  FOAssignment_wf
\mforall{}[Dom:Type].  \mforall{}[a:FOAssignment(Dom)].  \mforall{}[x:\mBbbZ{}].  \mforall{}[v:Dom].    (a[x  :=  v]  \mmember{}  FOAssignment(Dom))



Date html generated: 2015_07_17-AM-07_53_09
Last ObjectModification: 2015_01_27-AM-10_07_13

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