Nuprl Lemma : rv-mul-add

∀[rv:RealVectorSpace]. ∀[a,b:ℝ]. ∀[x:Point].  a*x + b*x ≡ a + b*x


Proof




Definitions occuring in Statement :  rv-mul: a*x,  rv-add: x + y,  real-vector-space: RealVectorSpace,  radd: a + b,  real: ℝ,  ss-eq: x ≡ y,  ss-point: Point,  uall: ∀[x:A]. B[x]
Definitions unfolded in proof :  uall: ∀[x:A]. B[x],  member: t ∈ T,  all: ∀x:A. B[x],  subtype_rel: A ⊆r B,  implies: P ⇒ Q,  ss-eq: x ≡ y,  not: ¬A,  false: False,  prop: ℙ,  real-vector-space: RealVectorSpace,  record+: record+,  record-select: r.x,  eq_atom: x =a y,  ifthenelse: if b then t else f fi ,  btrue: tt,  and: P ∧ Q,  so_lambda: λ2x.t[x],  so_apply: x[s],  guard: {T},  or: P ∨ Q,  rv-mul: a*x,  rv-add: x + y,  squash: ↓T,  sq_stable: SqStable(P)
Lemmas referenced :  ss-eq_inversion,  real-vector-space_subtype1,  rv-mul_wf,  radd_wf,  rv-add_wf,  ss-sep_wf,  ss-point_wf,  real_wf,  real-vector-space_wf,  subtype_rel_self,  all_wf,  ss-eq_wf,  or_wf,  int-to-real_wf,  rmul_wf,  rneq_wf,  sq_stable__ss-eq
Rules used in proof :  sqequalSubstitution,  sqequalTransitivity,  computationStep,  sqequalReflexivity,  isect_memberFormation,  introduction,  cut,  extract_by_obid,  sqequalHypSubstitution,  dependent_functionElimination,  thin,  hypothesisEquality,  applyEquality,  hypothesis,  sqequalRule,  isectElimination,  independent_functionElimination,  lambdaEquality,  because_Cache,  isect_memberEquality,  voidElimination,  dependentIntersectionElimination,  dependentIntersectionEqElimination,  tokenEquality,  setEquality,  functionEquality,  productEquality,  functionExtensionality,  equalityTransitivity,  equalitySymmetry,  setElimination,  rename,  natural_numberEquality,  applyLambdaEquality,  imageMemberEquality,  baseClosed,  imageElimination,  productElimination

Latex:
\mforall{}[rv:RealVectorSpace].  \mforall{}[a,b:\mBbbR{}].  \mforall{}[x:Point].    a*x  +  b*x  \mequiv{}  a  +  b*x



Date html generated: 2017_10_04-PM-11_50_23
Last ObjectModification: 2017_06_22-PM-06_44_29

Theory : inner!product!spaces


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