Nuprl Lemma : vs-neg-add2

∀[K:Rng]. ∀[vs:VectorSpace(K)]. ∀[x,y:Point(vs)].  (-(x + y) = -(y) + -(x) ∈ Point(vs))


Proof




Definitions occuring in Statement :  vs-neg: -(x),  vs-add: x + y,  vector-space: VectorSpace(K),  vs-point: Point(vs),  uall: ∀[x:A]. B[x],  equal: s = t ∈ T,  rng: Rng
Definitions unfolded in proof :  all: ∀x:A. B[x],  implies: P ⇒ Q,  rev_implies: P ⇐ Q,  and: P ∧ Q,  iff: P ⇐⇒ Q,  guard: {T},  uimplies: b supposing a,  subtype_rel: A ⊆r B,  true: True,  rng: Rng,  prop: ℙ,  squash: ↓T,  vs-neg: -(x),  member: t ∈ T,  uall: ∀[x:A]. B[x]
Lemmas referenced :  rng_wf,  vector-space_wf,  vs-add-comm,  vs-point_wf,  iff_weakening_equal,  vs-mul_wf,  vs-add_wf,  rng_one_wf,  rng_minus_wf,  vs-mul-linear,  true_wf,  squash_wf,  equal_wf
Rules used in proof :  dependent_functionElimination,  axiomEquality,  isect_memberEquality,  independent_functionElimination,  productElimination,  independent_isectElimination,  baseClosed,  imageMemberEquality,  sqequalRule,  natural_numberEquality,  rename,  setElimination,  because_Cache,  universeEquality,  equalitySymmetry,  hypothesis,  equalityTransitivity,  hypothesisEquality,  isectElimination,  extract_by_obid,  imageElimination,  sqequalHypSubstitution,  lambdaEquality,  thin,  applyEquality,  cut,  introduction,  isect_memberFormation,  sqequalReflexivity,  computationStep,  sqequalTransitivity,  sqequalSubstitution

Latex:
\mforall{}[K:Rng].  \mforall{}[vs:VectorSpace(K)].  \mforall{}[x,y:Point(vs)].    (-(x  +  y)  =  -(y)  +  -(x))



Date html generated: 2018_05_22-PM-09_41_19
Last ObjectModification: 2018_01_09-AM-10_35_02

Theory : linear!algebra


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