Nuprl Lemma : dim-qv-add
∀[as,bs:Top List].  dimension(qv-add(as;bs)) ~ dimension(as) supposing dimension(as) = dimension(bs) ∈ ℤ
Proof
Definitions occuring in Statement : 
qv-add: qv-add(as;bs)
, 
qv-dim: dimension(as)
, 
list: T List
, 
uimplies: b supposing a
, 
uall: ∀[x:A]. B[x]
, 
top: Top
, 
int: ℤ
, 
sqequal: s ~ t
, 
equal: s = t ∈ T
Definitions unfolded in proof : 
qv-dim: dimension(as)
, 
uall: ∀[x:A]. B[x]
, 
member: t ∈ T
, 
all: ∀x:A. B[x]
, 
nat: ℕ
, 
implies: P 
⇒ Q
, 
false: False
, 
ge: i ≥ j 
, 
uimplies: b supposing a
, 
satisfiable_int_formula: satisfiable_int_formula(fmla)
, 
exists: ∃x:A. B[x]
, 
not: ¬A
, 
top: Top
, 
and: P ∧ Q
, 
prop: ℙ
, 
subtype_rel: A ⊆r B
, 
guard: {T}
, 
or: P ∨ Q
, 
qv-add: qv-add(as;bs)
, 
ifthenelse: if b then t else f fi 
, 
btrue: tt
, 
cons: [a / b]
, 
colength: colength(L)
, 
so_lambda: λ2x y.t[x; y]
, 
so_apply: x[s1;s2]
, 
decidable: Dec(P)
, 
nil: []
, 
it: ⋅
, 
so_lambda: λ2x.t[x]
, 
so_apply: x[s]
, 
sq_type: SQType(T)
, 
less_than: a < b
, 
squash: ↓T
, 
less_than': less_than'(a;b)
, 
bfalse: ff
, 
le: A ≤ B
, 
true: True
, 
iff: P 
⇐⇒ Q
, 
rev_implies: P 
⇐ Q
, 
uiff: uiff(P;Q)
Lemmas referenced : 
nat_properties, 
satisfiable-full-omega-tt, 
intformand_wf, 
intformle_wf, 
itermConstant_wf, 
itermVar_wf, 
intformless_wf, 
int_formula_prop_and_lemma, 
int_formula_prop_le_lemma, 
int_term_value_constant_lemma, 
int_term_value_var_lemma, 
int_formula_prop_less_lemma, 
int_formula_prop_wf, 
ge_wf, 
less_than_wf, 
equal_wf, 
length_wf, 
top_wf, 
list_wf, 
equal-wf-T-base, 
nat_wf, 
colength_wf_list, 
less_than_transitivity1, 
less_than_irreflexivity, 
list-cases, 
length_of_nil_lemma, 
null_nil_lemma, 
reduce_tl_nil_lemma, 
equal-wf-base-T, 
product_subtype_list, 
spread_cons_lemma, 
intformeq_wf, 
itermAdd_wf, 
int_formula_prop_eq_lemma, 
int_term_value_add_lemma, 
decidable__le, 
intformnot_wf, 
int_formula_prop_not_lemma, 
le_wf, 
subtract_wf, 
itermSubtract_wf, 
int_term_value_subtract_lemma, 
subtype_base_sq, 
set_subtype_base, 
int_subtype_base, 
decidable__equal_int, 
length_of_cons_lemma, 
null_cons_lemma, 
reduce_hd_cons_lemma, 
reduce_tl_cons_lemma, 
tl_wf, 
squash_wf, 
true_wf, 
length_of_null_list, 
non_neg_length, 
iff_weakening_equal, 
add-is-int-iff, 
false_wf
Rules used in proof : 
sqequalSubstitution, 
sqequalRule, 
sqequalReflexivity, 
sqequalTransitivity, 
computationStep, 
isect_memberFormation, 
introduction, 
cut, 
thin, 
lambdaFormation, 
extract_by_obid, 
sqequalHypSubstitution, 
isectElimination, 
hypothesisEquality, 
hypothesis, 
setElimination, 
rename, 
intWeakElimination, 
natural_numberEquality, 
independent_isectElimination, 
dependent_pairFormation, 
lambdaEquality, 
int_eqEquality, 
intEquality, 
dependent_functionElimination, 
isect_memberEquality, 
voidElimination, 
voidEquality, 
independent_pairFormation, 
computeAll, 
independent_functionElimination, 
sqequalAxiom, 
equalityTransitivity, 
equalitySymmetry, 
applyEquality, 
because_Cache, 
unionElimination, 
baseClosed, 
promote_hyp, 
hypothesis_subsumption, 
productElimination, 
applyLambdaEquality, 
dependent_set_memberEquality, 
addEquality, 
instantiate, 
cumulativity, 
imageElimination, 
universeEquality, 
imageMemberEquality, 
pointwiseFunctionality, 
baseApply, 
closedConclusion
Latex:
\mforall{}[as,bs:Top  List].    dimension(qv-add(as;bs))  \msim{}  dimension(as)  supposing  dimension(as)  =  dimension(bs)
Date html generated:
2018_05_22-AM-00_20_08
Last ObjectModification:
2017_07_26-PM-06_54_42
Theory : rationals
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