Nuprl Lemma : increasing-baire-diff-from
∀a:ℕ ⟶ ℕ. ∀n:ℕ.  (increasing-sequence(a) 
⇒ increasing-sequence(baire-diff-from(a;n)))
Proof
Definitions occuring in Statement : 
baire-diff-from: baire-diff-from(a;k)
, 
increasing-sequence: increasing-sequence(a)
, 
nat: ℕ
, 
all: ∀x:A. B[x]
, 
implies: P 
⇒ Q
, 
function: x:A ⟶ B[x]
Definitions unfolded in proof : 
less_than': less_than'(a;b)
, 
le: A ≤ B
, 
nat-pred: n-1
, 
so_apply: x[s]
, 
so_lambda: λ2x.t[x]
, 
nequal: a ≠ b ∈ T 
, 
assert: ↑b
, 
bnot: ¬bb
, 
sq_type: SQType(T)
, 
bfalse: ff
, 
guard: {T}
, 
prop: ℙ
, 
top: Top
, 
not: ¬A
, 
false: False
, 
exists: ∃x:A. B[x]
, 
satisfiable_int_formula: satisfiable_int_formula(fmla)
, 
decidable: Dec(P)
, 
ge: i ≥ j 
, 
or: P ∨ Q
, 
subtype_rel: A ⊆r B
, 
ifthenelse: if b then t else f fi 
, 
uimplies: b supposing a
, 
and: P ∧ Q
, 
uiff: uiff(P;Q)
, 
btrue: tt
, 
it: ⋅
, 
unit: Unit
, 
bool: 𝔹
, 
nat: ℕ
, 
uall: ∀[x:A]. B[x]
, 
member: t ∈ T
, 
baire-diff-from: baire-diff-from(a;k)
, 
increasing-sequence: increasing-sequence(a)
, 
implies: P 
⇒ Q
, 
all: ∀x:A. B[x]
Lemmas referenced : 
false_wf, 
subtract_wf, 
add_nat_wf, 
add-subtract-cancel, 
int_subtype_base, 
set_subtype_base, 
increasing-sequence_wf, 
neg_assert_of_eq_int, 
assert-bnot, 
bool_subtype_base, 
subtype_base_sq, 
bool_cases_sqequal, 
eqff_to_assert, 
equal_wf, 
le_wf, 
int_formula_prop_le_lemma, 
int_formula_prop_and_lemma, 
intformle_wf, 
intformand_wf, 
decidable__le, 
int_formula_prop_wf, 
decidable__equal_int, 
int_term_value_constant_lemma, 
int_term_value_var_lemma, 
int_term_value_add_lemma, 
int_formula_prop_eq_lemma, 
int_formula_prop_not_lemma, 
itermConstant_wf, 
itermVar_wf, 
itermAdd_wf, 
intformeq_wf, 
intformnot_wf, 
satisfiable-full-omega-tt, 
decidable__equal_nat, 
nat_properties, 
assert_of_eq_int, 
nat-pred_wf, 
nat_wf, 
eq_int_wf, 
assert_of_le_int, 
eqtt_to_assert, 
bool_wf, 
le_int_wf
Rules used in proof : 
inrFormation, 
functionEquality, 
cumulativity, 
int_eqReduceFalseSq, 
instantiate, 
promote_hyp, 
independent_pairFormation, 
applyLambdaEquality, 
dependent_set_memberEquality, 
computeAll, 
independent_functionElimination, 
voidEquality, 
voidElimination, 
isect_memberEquality, 
intEquality, 
int_eqEquality, 
lambdaEquality, 
dependent_pairFormation, 
dependent_functionElimination, 
inlFormation, 
int_eqReduceTrueSq, 
because_Cache, 
functionExtensionality, 
applyEquality, 
independent_isectElimination, 
productElimination, 
equalitySymmetry, 
equalityTransitivity, 
equalityElimination, 
unionElimination, 
natural_numberEquality, 
addEquality, 
hypothesis, 
hypothesisEquality, 
rename, 
setElimination, 
thin, 
isectElimination, 
sqequalHypSubstitution, 
extract_by_obid, 
introduction, 
cut, 
sqequalRule, 
lambdaFormation, 
sqequalReflexivity, 
computationStep, 
sqequalTransitivity, 
sqequalSubstitution
Latex:
\mforall{}a:\mBbbN{}  {}\mrightarrow{}  \mBbbN{}.  \mforall{}n:\mBbbN{}.    (increasing-sequence(a)  {}\mRightarrow{}  increasing-sequence(baire-diff-from(a;n)))
Date html generated:
2017_04_21-AM-11_23_56
Last ObjectModification:
2017_04_20-PM-05_55_47
Theory : continuity
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