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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