Nuprl Lemma : tuple-type-valueall-type
∀[L:{T:Type| valueall-type(T)}  List]. valueall-type(tuple-type(L))
Proof
Definitions occuring in Statement : 
tuple-type: tuple-type(L), 
list: T List, 
valueall-type: valueall-type(T), 
uall: ∀[x:A]. B[x], 
set: {x:A| B[x]} , 
universe: Type
Definitions unfolded in proof : 
uall: ∀[x:A]. B[x], 
member: t ∈ T, 
so_lambda: λ2x.t[x], 
prop: ℙ, 
subtype_rel: A ⊆r B, 
so_apply: x[s], 
implies: P ⇒ Q, 
unit: Unit, 
all: ∀x:A. B[x], 
top: Top, 
bool: 𝔹, 
it: ⋅, 
btrue: tt, 
uiff: uiff(P;Q), 
and: P ∧ Q, 
uimplies: b supposing a, 
ifthenelse: if b then t else f fi , 
sq_stable: SqStable(P), 
squash: ↓T, 
bfalse: ff, 
exists: ∃x:A. B[x], 
or: P ∨ Q, 
sq_type: SQType(T), 
guard: {T}, 
bnot: ¬bb, 
assert: ↑b, 
false: False, 
not: ¬A, 
valueall-type: valueall-type(T), 
has-value: (a)↓
Lemmas referenced : 
list_induction, 
valueall-type_wf, 
tuple-type_wf, 
list_wf, 
tupletype_nil_lemma, 
equal-valueall-type, 
tupletype_cons_lemma, 
null_wf, 
bool_wf, 
eqtt_to_assert, 
assert_of_null, 
sq_stable__valueall-type, 
equal_wf, 
eqff_to_assert, 
bool_cases_sqequal, 
subtype_base_sq, 
bool_subtype_base, 
assert-bnot, 
equal-wf-T-base, 
product-valueall-type, 
equal-wf-base, 
subtype_rel_list, 
base_wf
Rules used in proof : 
sqequalSubstitution, 
sqequalTransitivity, 
computationStep, 
sqequalReflexivity, 
isect_memberFormation, 
introduction, 
cut, 
thin, 
instantiate, 
extract_by_obid, 
sqequalHypSubstitution, 
isectElimination, 
because_Cache, 
sqequalRule, 
lambdaEquality, 
cumulativity, 
hypothesisEquality, 
applyEquality, 
hypothesis, 
setEquality, 
universeEquality, 
independent_functionElimination, 
intEquality, 
natural_numberEquality, 
lambdaFormation, 
rename, 
dependent_functionElimination, 
isect_memberEquality, 
voidElimination, 
voidEquality, 
unionElimination, 
equalityElimination, 
productElimination, 
independent_isectElimination, 
setElimination, 
imageMemberEquality, 
baseClosed, 
imageElimination, 
equalityTransitivity, 
equalitySymmetry, 
dependent_pairFormation, 
promote_hyp, 
axiomSqleEquality
Latex:
\mforall{}[L:\{T:Type|  valueall-type(T)\}    List].  valueall-type(tuple-type(L))
Date html generated:
2017_04_17-AM-09_29_03
Last ObjectModification:
2017_02_27-PM-05_29_03
Theory : tuples
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