Nuprl Lemma : hyptrans_ext

∀rv:InnerProductSpace. ∀e:Point. ∀s,t:ℝ. ∀x,y:Point.  (hyptrans(rv;e;s;x) # hyptrans(rv;e;t;y) ⇒ (x # y ∨ s ≠ t))


Proof




Definitions occuring in Statement :  hyptrans: hyptrans(rv;e;t;x),  inner-product-space: InnerProductSpace,  rneq: x ≠ y,  real: ℝ,  ss-sep: x # y,  ss-point: Point,  all: ∀x:A. B[x],  implies: P ⇒ Q,  or: P ∨ Q
Definitions unfolded in proof :  all: ∀x:A. B[x],  implies: P ⇒ Q,  hyptrans: hyptrans(rv;e;t;x),  member: t ∈ T,  subtype_rel: A ⊆r B,  uall: ∀[x:A]. B[x],  iff: P ⇐⇒ Q,  and: P ∧ Q,  rev_implies: P ⇐ Q,  le: A ≤ B,  less_than': less_than'(a;b),  false: False,  not: ¬A,  prop: ℙ,  or: P ∨ Q,  guard: {T},  uimplies: b supposing a,  so_lambda: λ2x.t[x],  so_apply: x[s],  uiff: uiff(P;Q),  rev_uimplies: rev_uimplies(P;Q),  rneq: x ≠ y
Lemmas referenced :  rv-add-sep,  inner-product-space_subtype,  rv-mul_wf,  radd_wf,  rmul_wf,  rv-ip_wf,  rsub_wf,  cosh_wf,  int-to-real_wf,  rsqrt_wf,  radd-non-neg,  rleq-int,  false_wf,  rv-ip-nonneg,  rleq_wf,  sinh_wf,  rneq_wf,  ss-sep_wf,  real-vector-space_subtype1,  subtype_rel_transitivity,  inner-product-space_wf,  real-vector-space_wf,  separation-space_wf,  hyptrans_wf,  ss-point_wf,  real_wf,  rv-mul-sep,  ss-sep-irrefl,  rneq-radd,  rneq-rmul,  rsqrt-rneq,  rneq_irreflexivity,  rv-ip-rneq,  rneq-function,  req_functionality,  rsub_functionality,  cosh_functionality,  req_weakening,  req_wf,  rneq-sinh
Rules used in proof :  sqequalSubstitution,  sqequalTransitivity,  computationStep,  sqequalReflexivity,  lambdaFormation,  sqequalHypSubstitution,  cut,  introduction,  extract_by_obid,  dependent_functionElimination,  thin,  hypothesisEquality,  applyEquality,  hypothesis,  sqequalRule,  isectElimination,  because_Cache,  natural_numberEquality,  independent_functionElimination,  productElimination,  independent_pairFormation,  dependent_set_memberEquality,  unionElimination,  inlFormation,  instantiate,  independent_isectElimination,  promote_hyp,  inrFormation,  voidElimination,  lambdaEquality

Latex:
\mforall{}rv:InnerProductSpace.  \mforall{}e:Point.  \mforall{}s,t:\mBbbR{}.  \mforall{}x,y:Point.
    (hyptrans(rv;e;s;x)  \#  hyptrans(rv;e;t;y)  {}\mRightarrow{}  (x  \#  y  \mvee{}  s  \mneq{}  t))



Date html generated: 2017_10_05-AM-00_28_07
Last ObjectModification: 2017_06_26-PM-01_55_33

Theory : inner!product!spaces


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