Nuprl Lemma : rv-isometry-id
∀[rv:InnerProductSpace]. Isometry(λx.x)
Proof
Definitions occuring in Statement : 
rv-isometry: Isometry(f)
, 
inner-product-space: InnerProductSpace
, 
uall: ∀[x:A]. B[x]
, 
lambda: λx.A[x]
Definitions unfolded in proof : 
uimplies: b supposing a
, 
guard: {T}
, 
implies: P 
⇒ Q
, 
prop: ℙ
, 
and: P ∧ Q
, 
subtype_rel: A ⊆r B
, 
rv-isometry: Isometry(f)
, 
member: t ∈ T
, 
uall: ∀[x:A]. B[x]
Lemmas referenced : 
req_weakening, 
separation-space_wf, 
real-vector-space_wf, 
inner-product-space_wf, 
subtype_rel_transitivity, 
real-vector-space_subtype1, 
ss-point_wf, 
rv-ip_wf, 
rmul_wf, 
req_wf, 
int-to-real_wf, 
rleq_wf, 
real_wf, 
inner-product-space_subtype, 
rv-sub_wf, 
rv-norm_wf, 
req_witness
Rules used in proof : 
independent_isectElimination, 
instantiate, 
independent_functionElimination, 
natural_numberEquality, 
productEquality, 
setEquality, 
rename, 
setElimination, 
lambdaEquality, 
because_Cache, 
hypothesis, 
applyEquality, 
extract_by_obid, 
hypothesisEquality, 
thin, 
isectElimination, 
isect_memberEquality, 
sqequalHypSubstitution, 
sqequalRule, 
cut, 
introduction, 
isect_memberFormation, 
sqequalReflexivity, 
computationStep, 
sqequalTransitivity, 
sqequalSubstitution
Latex:
\mforall{}[rv:InnerProductSpace].  Isometry(\mlambda{}x.x)
Date html generated:
2016_11_08-AM-09_20_35
Last ObjectModification:
2016_11_02-PM-11_44_33
Theory : inner!product!spaces
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