Nuprl Lemma : ip-between-inner-trans

∀[rv:InnerProductSpace]. ∀[a,b,c,d:Point(rv)].  (a_b_d ⇒ b_c_d ⇒ a_b_c)


Proof




Definitions occuring in Statement :  ip-between: a_b_c,  inner-product-space: InnerProductSpace,  uall: ∀[x:A]. B[x],  implies: P ⇒ Q
Definitions unfolded in proof :  uall: ∀[x:A]. B[x],  member: t ∈ T,  implies: P ⇒ Q,  prop: ℙ,  ip-between: a_b_c,  subtype_rel: A ⊆r B,  guard: {T},  uimplies: b supposing a,  or: P ∨ Q,  all: ∀x:A. B[x],  iff: P ⇐⇒ Q,  and: P ∧ Q,  rev_implies: P ⇐ Q,  exists: ∃x:A. B[x],  ss-eq: Error :ss-eq,  not: ¬A,  false: False,  stable: Stable{P},  uiff: uiff(P;Q),  top: Top,  cand: A c∧ B,  req_int_terms: t1 ≡ t2,  rneq: x ≠ y,  i-member: r ∈ I,  rooint: (l, u),  rdiv: (x/y),  rev_uimplies: rev_uimplies(P;Q),  true: True,  squash: ↓T,  rat_term_to_real: rat_term_to_real(f;t),  rtermAdd: left "+" right,  rat_term_ind: rat_term_ind,  rtermDivide: num "/" denom,  rtermMultiply: left "*" right,  rtermSubtract: left "-" right,  rtermConstant: "const",  rtermVar: rtermVar(var),  pi1: fst(t),  pi2: snd(t)
Lemmas referenced :  ip-between_wf,  req_witness,  radd_wf,  rmul_wf,  rv-norm_wf,  rv-sub_wf,  inner-product-space_subtype,  rv-ip_wf,  int-to-real_wf,  Error :ss-point_wf,  real-vector-space_subtype1,  subtype_rel_transitivity,  inner-product-space_wf,  real-vector-space_wf,  Error :separation-space_wf,  stable__ip-between,  false_wf,  Error :ss-sep_wf,  not_wf,  ip-between-iff,  Error :ss-sep-symmetry,  ip-between-trivial2,  ip-between-trivial,  istype-void,  minimal-double-negation-hyp-elim,  minimal-not-not-excluded-middle,  ip-between_functionality,  Error :ss-eq_weakening,  Error :ss-eq_inversion,  rv-add_wf,  rv-mul_wf,  rsub_wf,  Error :ss-eq_wf,  i-member_wf,  rooint_wf,  iff_weakening_uiff,  Error :ss-eq_functionality,  rv-add_functionality,  rv-mul_functionality,  req_weakening,  member_rooint_lemma,  rmul_preserves_rless,  radd-preserves-rless,  itermSubtract_wf,  itermMultiply_wf,  itermConstant_wf,  itermVar_wf,  rless-implies-rless,  req-iff-rsub-is-0,  rless_transitivity2,  rleq_weakening_rless,  itermAdd_wf,  rless_functionality,  real_polynomial_null,  istype-int,  real_term_value_sub_lemma,  real_term_value_mul_lemma,  real_term_value_const_lemma,  real_term_value_var_lemma,  real_term_value_add_lemma,  rdiv_wf,  rless_wf,  rminus_wf,  rinv_wf2,  itermMinus_wf,  req_transitivity,  radd_functionality,  rminus_functionality,  rmul-rinv3,  real_term_value_minus_lemma,  rmul_preserves_req,  req_functionality,  rmul_functionality,  rmul-rinv,  req_wf,  squash_wf,  true_wf,  real_wf,  subtype_rel_self,  iff_weakening_equal,  rv-mul-linear,  rv-add-assoc,  uiff_transitivity,  rv-mul-mul,  rv-mul-add-alt,  rv-mul-add,  assert-rat-term-eq2,  rtermVar_wf,  rtermAdd_wf,  rtermDivide_wf,  rtermSubtract_wf,  rtermMultiply_wf,  rtermConstant_wf,  ip-between-same
Rules used in proof :  sqequalSubstitution,  sqequalTransitivity,  computationStep,  sqequalReflexivity,  isect_memberFormation_alt,  introduction,  cut,  lambdaFormation_alt,  universeIsType,  extract_by_obid,  sqequalHypSubstitution,  isectElimination,  thin,  hypothesisEquality,  hypothesis,  sqequalRule,  lambdaEquality_alt,  dependent_functionElimination,  applyEquality,  setElimination,  rename,  inhabitedIsType,  equalityTransitivity,  equalitySymmetry,  because_Cache,  natural_numberEquality,  independent_functionElimination,  functionIsTypeImplies,  isect_memberEquality_alt,  isectIsTypeImplies,  instantiate,  independent_isectElimination,  unionEquality,  functionEquality,  productElimination,  unionIsType,  functionIsType,  unionElimination,  voidElimination,  productIsType,  dependent_pairFormation_alt,  independent_pairFormation,  promote_hyp,  approximateComputation,  int_eqEquality,  closedConclusion,  inrFormation_alt,  equalityIstype,  imageElimination,  imageMemberEquality,  baseClosed,  universeEquality

Latex:
\mforall{}[rv:InnerProductSpace].  \mforall{}[a,b,c,d:Point(rv)].    (a\_b\_d  {}\mRightarrow{}  b\_c\_d  {}\mRightarrow{}  a\_b\_c)



Date html generated: 2020_05_20-PM-01_13_39
Last ObjectModification: 2019_12_08-PM-07_01_54

Theory : inner!product!spaces


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