Nuprl Lemma : integer-dot-product-comm
∀[as,bs:ℤ List]. (as ⋅ bs ~ bs ⋅ as)
Proof
Definitions occuring in Statement :
integer-dot-product: as ⋅ bs,
list: T List,
uall: ∀[x:A]. B[x],
int: ℤ,
sqequal: s ~ t
Definitions unfolded in proof :
uall: ∀[x:A]. B[x],
member: t ∈ T,
all: ∀x:A. B[x],
nat: ℕ,
implies: P ⇒ Q,
false: False,
ge: i ≥ j ,
guard: {T},
uimplies: b supposing a,
prop: ℙ,
subtype_rel: A ⊆r B,
or: P ∨ Q,
top: Top,
cons: [a / b],
colength: colength(L),
so_lambda: λ2x y.t[x; y],
so_apply: x[s1;s2],
nil: [],
it: ⋅,
so_lambda: λ2x.t[x],
so_apply: x[s],
sq_type: SQType(T),
squash: ↓T,
sq_stable: SqStable(P),
uiff: uiff(P;Q),
and: P ∧ Q,
le: A ≤ B,
not: ¬A,
less_than': less_than'(a;b),
true: True,
decidable: Dec(P),
iff: P ⇐⇒ Q,
rev_implies: P ⇐ Q,
subtract: n - m,
less_than: a < b
Lemmas referenced :
nat_properties,
less_than_transitivity1,
less_than_irreflexivity,
ge_wf,
less_than_wf,
list_wf,
equal-wf-base,
nat_wf,
list_subtype_base,
int_subtype_base,
list-cases,
int_dot_nil_left_lemma,
product_subtype_list,
spread_cons_lemma,
equal_wf,
subtype_base_sq,
set_subtype_base,
le_wf,
int_dot_cons_nil_lemma,
colength_wf_list,
sq_stable__le,
le_antisymmetry_iff,
add_functionality_wrt_le,
add-associates,
add-zero,
zero-add,
le-add-cancel,
equal-wf-T-base,
decidable__le,
false_wf,
not-le-2,
condition-implies-le,
minus-add,
minus-one-mul,
minus-one-mul-top,
add-commutes,
subtract_wf,
not-ge-2,
less-iff-le,
minus-minus,
add-swap,
int_dot_cons_lemma,
mul-commutes,
integer-dot-product_wf
Rules used in proof :
sqequalSubstitution,
sqequalTransitivity,
computationStep,
sqequalReflexivity,
isect_memberFormation,
introduction,
cut,
thin,
lambdaFormation,
extract_by_obid,
sqequalHypSubstitution,
isectElimination,
hypothesisEquality,
hypothesis,
setElimination,
rename,
intWeakElimination,
natural_numberEquality,
independent_isectElimination,
independent_functionElimination,
voidElimination,
sqequalRule,
lambdaEquality,
dependent_functionElimination,
isect_memberEquality,
sqequalAxiom,
intEquality,
baseApply,
closedConclusion,
baseClosed,
applyEquality,
because_Cache,
unionElimination,
voidEquality,
promote_hyp,
hypothesis_subsumption,
productElimination,
equalityTransitivity,
equalitySymmetry,
instantiate,
cumulativity,
applyLambdaEquality,
imageMemberEquality,
imageElimination,
addEquality,
dependent_set_memberEquality,
independent_pairFormation,
minusEquality,
multiplyEquality
Latex:
\mforall{}[as,bs:\mBbbZ{} List]. (as \mcdot{} bs \msim{} bs \mcdot{} as)
Date html generated:
2017_04_14-AM-08_55_32
Last ObjectModification:
2017_02_27-PM-03_39_27
Theory : omega
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