Nuprl Lemma : mtb-seq-mtb-point-cantor-mconverges-to
∀[X:Type]. ∀d:metric(X). ∀mtb:m-TB(X;d). ∀x:X.  lim n→∞.mtb-seq(mtb;mtb-point-cantor(mtb;x)) n = x
Proof
Definitions occuring in Statement : 
mtb-point-cantor: mtb-point-cantor(mtb;p), 
mtb-seq: mtb-seq(mtb;s), 
m-TB: m-TB(X;d), 
mconverges-to: lim n→∞.x[n] = y, 
metric: metric(X), 
uall: ∀[x:A]. B[x], 
all: ∀x:A. B[x], 
apply: f a, 
universe: Type
Definitions unfolded in proof : 
uall: ∀[x:A]. B[x], 
all: ∀x:A. B[x], 
m-TB: m-TB(X;d), 
mtb-point-cantor: mtb-point-cantor(mtb;p), 
mtb-seq: mtb-seq(mtb;s), 
spreadn: spread3, 
mconverges-to: lim n→∞.x[n] = y, 
sq_exists: ∃x:A [B[x]], 
member: t ∈ T, 
subtype_rel: A ⊆r B, 
implies: P ⇒ Q, 
nat_plus: ℕ+, 
nat: ℕ, 
uimplies: b supposing a, 
rneq: x ≠ y, 
guard: {T}, 
or: P ∨ Q, 
iff: P ⇐⇒ Q, 
and: P ∧ Q, 
rev_implies: P ⇐ Q, 
ge: i ≥ j , 
decidable: Dec(P), 
not: ¬A, 
satisfiable_int_formula: satisfiable_int_formula(fmla), 
exists: ∃x:A. B[x], 
false: False, 
top: Top, 
prop: ℙ, 
uiff: uiff(P;Q), 
rev_uimplies: rev_uimplies(P;Q), 
rge: x ≥ y
Lemmas referenced : 
nat_plus_subtype_nat, 
istype-le, 
istype-nat, 
rleq_wf, 
mdist_wf, 
rdiv_wf, 
int-to-real_wf, 
rless-int, 
nat_properties, 
nat_plus_properties, 
decidable__lt, 
full-omega-unsat, 
intformand_wf, 
intformnot_wf, 
intformless_wf, 
itermConstant_wf, 
itermVar_wf, 
istype-int, 
int_formula_prop_and_lemma, 
istype-void, 
int_formula_prop_not_lemma, 
int_formula_prop_less_lemma, 
int_term_value_constant_lemma, 
int_term_value_var_lemma, 
int_formula_prop_wf, 
rless_wf, 
nat_plus_wf, 
m-TB_wf, 
metric_wf, 
istype-universe, 
itermAdd_wf, 
intformle_wf, 
int_term_value_add_lemma, 
int_formula_prop_le_lemma, 
rleq-int-fractions, 
istype-less_than, 
decidable__le, 
itermMultiply_wf, 
int_term_value_mul_lemma, 
rleq_functionality, 
mdist-symm, 
req_weakening, 
rleq_functionality_wrt_implies, 
rleq_weakening_equal
Rules used in proof : 
sqequalSubstitution, 
sqequalTransitivity, 
computationStep, 
sqequalReflexivity, 
isect_memberFormation_alt, 
lambdaFormation_alt, 
sqequalHypSubstitution, 
setElimination, 
thin, 
rename, 
productElimination, 
sqequalRule, 
dependent_set_memberFormation_alt, 
cut, 
hypothesisEquality, 
applyEquality, 
introduction, 
extract_by_obid, 
hypothesis, 
isectElimination, 
functionIsType, 
because_Cache, 
universeIsType, 
closedConclusion, 
natural_numberEquality, 
independent_isectElimination, 
inrFormation_alt, 
dependent_functionElimination, 
independent_functionElimination, 
unionElimination, 
approximateComputation, 
dependent_pairFormation_alt, 
lambdaEquality_alt, 
int_eqEquality, 
isect_memberEquality_alt, 
voidElimination, 
independent_pairFormation, 
instantiate, 
universeEquality, 
addEquality, 
dependent_set_memberEquality_alt, 
multiplyEquality, 
equalityTransitivity, 
equalitySymmetry
Latex:
\mforall{}[X:Type].  \mforall{}d:metric(X).  \mforall{}mtb:m-TB(X;d).  \mforall{}x:X.    lim  n\mrightarrow{}\minfty{}.mtb-seq(mtb;mtb-point-cantor(mtb;x))  n  =  x
Date html generated:
2019_10_30-AM-06_57_43
Last ObjectModification:
2019_10_03-PM-03_45_26
Theory : reals
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