Nuprl Lemma : coded-code-seq
∀k:ℕ. ∀s:ℕk ⟶ ℕ.  (coded-seq(code-seq(k;s)) = <k, s> ∈ (k:ℕ × (ℕk ⟶ ℕ)))
Proof
Definitions occuring in Statement : 
coded-seq: coded-seq(x)
, 
code-seq: code-seq(k;s)
, 
int_seg: {i..j-}
, 
nat: ℕ
, 
all: ∀x:A. B[x]
, 
function: x:A ⟶ B[x]
, 
pair: <a, b>
, 
product: x:A × B[x]
, 
natural_number: $n
, 
equal: s = t ∈ T
Definitions unfolded in proof : 
all: ∀x:A. B[x]
, 
code-seq: code-seq(k;s)
, 
coded-seq: coded-seq(x)
, 
member: t ∈ T
, 
uall: ∀[x:A]. B[x]
, 
nat: ℕ
, 
implies: P 
⇒ Q
, 
bool: 𝔹
, 
unit: Unit
, 
it: ⋅
, 
btrue: tt
, 
uiff: uiff(P;Q)
, 
and: P ∧ Q
, 
uimplies: b supposing a
, 
ifthenelse: if b then t else f fi 
, 
coded-pair: coded-pair(m)
, 
subtract: n - m
, 
tsqrt: tsqrt(n)
, 
isqrt: isqrt(x)
, 
integer-sqrt-ext, 
genrec-ap: genrec-ap, 
le_int: i ≤z j
, 
bnot: ¬bb
, 
lt_int: i <z j
, 
bfalse: ff
, 
triangular-num: t(n)
, 
eq_int: (i =z j)
, 
ge: i ≥ j 
, 
decidable: Dec(P)
, 
or: P ∨ Q
, 
satisfiable_int_formula: satisfiable_int_formula(fmla)
, 
exists: ∃x:A. B[x]
, 
false: False
, 
not: ¬A
, 
top: Top
, 
prop: ℙ
, 
le: A ≤ B
, 
less_than': less_than'(a;b)
, 
int_seg: {i..j-}
, 
lelt: i ≤ j < k
, 
subtype_rel: A ⊆r B
, 
sq_type: SQType(T)
, 
guard: {T}
, 
assert: ↑b
, 
int_upper: {i...}
, 
nequal: a ≠ b ∈ T 
, 
squash: ↓T
, 
true: True
, 
iff: P 
⇐⇒ Q
, 
pi2: snd(t)
, 
pi1: fst(t)
, 
so_lambda: λ2x.t[x]
, 
so_apply: x[s]
, 
nat_plus: ℕ+
, 
rev_implies: P 
⇐ Q
, 
less_than: a < b
, 
label: ...$L... t
Lemmas referenced : 
eq_int_wf, 
bool_wf, 
eqtt_to_assert, 
assert_of_eq_int, 
nat_properties, 
decidable__equal_int, 
satisfiable-full-omega-tt, 
intformand_wf, 
intformnot_wf, 
intformeq_wf, 
itermConstant_wf, 
itermVar_wf, 
int_formula_prop_and_lemma, 
int_formula_prop_not_lemma, 
int_formula_prop_eq_lemma, 
int_term_value_constant_lemma, 
int_term_value_var_lemma, 
int_formula_prop_wf, 
false_wf, 
le_wf, 
int_seg_properties, 
int_seg_wf, 
intformless_wf, 
intformle_wf, 
int_formula_prop_less_lemma, 
int_formula_prop_le_lemma, 
lelt_wf, 
nat_wf, 
eqff_to_assert, 
equal_wf, 
bool_cases_sqequal, 
subtype_base_sq, 
bool_subtype_base, 
assert-bnot, 
neg_assert_of_eq_int, 
int_upper_subtype_nat, 
nequal-le-implies, 
zero-add, 
code-pair_wf, 
subtract_wf, 
int_upper_properties, 
decidable__le, 
itermSubtract_wf, 
int_term_value_subtract_lemma, 
code-seq1_wf, 
itermAdd_wf, 
int_term_value_add_lemma, 
coded-pair_wf, 
add-associates, 
add-swap, 
add-commutes, 
squash_wf, 
true_wf, 
coded-code-pair, 
iff_weakening_equal, 
set_subtype_base, 
int_subtype_base, 
decidable__lt, 
not-lt-2, 
not-equal-2, 
add_functionality_wrt_le, 
le-add-cancel, 
less_than_wf, 
coded-seq1_wf, 
subtract-add-cancel, 
coded-code-seq1, 
integer-sqrt-ext
Rules used in proof : 
sqequalSubstitution, 
sqequalTransitivity, 
computationStep, 
sqequalReflexivity, 
lambdaFormation, 
cut, 
introduction, 
extract_by_obid, 
sqequalHypSubstitution, 
isectElimination, 
thin, 
setElimination, 
rename, 
because_Cache, 
hypothesis, 
natural_numberEquality, 
unionElimination, 
equalityElimination, 
equalityTransitivity, 
equalitySymmetry, 
productElimination, 
independent_isectElimination, 
sqequalRule, 
dependent_pairEquality, 
hypothesisEquality, 
dependent_functionElimination, 
dependent_pairFormation, 
lambdaEquality, 
int_eqEquality, 
intEquality, 
isect_memberEquality, 
voidElimination, 
voidEquality, 
independent_pairFormation, 
computeAll, 
dependent_set_memberEquality, 
functionExtensionality, 
applyEquality, 
functionEquality, 
promote_hyp, 
instantiate, 
cumulativity, 
independent_functionElimination, 
hypothesis_subsumption, 
addEquality, 
applyLambdaEquality, 
productEquality, 
minusEquality, 
imageElimination, 
universeEquality, 
equalityUniverse, 
levelHypothesis, 
imageMemberEquality, 
baseClosed
Latex:
\mforall{}k:\mBbbN{}.  \mforall{}s:\mBbbN{}k  {}\mrightarrow{}  \mBbbN{}.    (coded-seq(code-seq(k;s))  =  <k,  s>)
Date html generated:
2018_05_21-PM-07_56_31
Last ObjectModification:
2017_07_26-PM-05_34_05
Theory : general
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