Nuprl Lemma : rv-ip-minus

∀[rv:InnerProductSpace]. ∀[x,y:Point].  (-x ⋅ y = -(x ⋅ y))


Proof




Definitions occuring in Statement :  rv-ip: x ⋅ y,  inner-product-space: InnerProductSpace,  rv-minus: -x,  ss-point: Point,  req: x = y,  rminus: -(x),  uall: ∀[x:A]. B[x]
Definitions unfolded in proof :  rev_uimplies: rev_uimplies(P;Q),  and: P ∧ Q,  uiff: uiff(P;Q),  uimplies: b supposing a,  guard: {T},  implies: P ⇒ Q,  subtype_rel: A ⊆r B,  rv-minus: -x,  member: t ∈ T,  uall: ∀[x:A]. B[x]
Lemmas referenced :  req_inversion,  rminus-as-rmul,  uiff_transitivity,  rv-ip-mul,  req_functionality,  req_weakening,  req_wf,  rmul_wf,  int-to-real_wf,  rv-mul_wf,  separation-space_wf,  real-vector-space_wf,  inner-product-space_wf,  subtype_rel_transitivity,  real-vector-space_subtype1,  ss-point_wf,  rminus_wf,  inner-product-space_subtype,  rv-minus_wf,  rv-ip_wf,  req_witness
Rules used in proof :  productElimination,  natural_numberEquality,  minusEquality,  because_Cache,  isect_memberEquality,  independent_isectElimination,  instantiate,  independent_functionElimination,  sqequalRule,  hypothesis,  applyEquality,  hypothesisEquality,  thin,  isectElimination,  sqequalHypSubstitution,  extract_by_obid,  cut,  introduction,  isect_memberFormation,  sqequalReflexivity,  computationStep,  sqequalTransitivity,  sqequalSubstitution

Latex:
\mforall{}[rv:InnerProductSpace].  \mforall{}[x,y:Point].    (-x  \mcdot{}  y  =  -(x  \mcdot{}  y))



Date html generated: 2016_11_08-AM-09_15_12
Last ObjectModification: 2016_10_31-PM-03_26_50

Theory : inner!product!spaces


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