Nuprl Lemma : mk-ss_wf

∀[P:Type]. ∀[Sep:{s:P ⟶ P ⟶ ℙ| ∀x:P. (¬(s x x))} ]. ∀[Sym:∀x,y:P.  ((Sep x y) ⇒ (Sep y x))]. ∀[C:∀x,y,z:P.
                                                                                                     ((Sep x y)
                                                                                                     ⇒ ((Sep x z)
                                                                                                        ∨ (Sep y z)))].
  (Point=P
   #=Sep
   symm=Sym
   cotrans=C ∈ SeparationSpace)


Proof




Definitions occuring in Statement :  mk-ss: mk-ss,  separation-space: SeparationSpace,  uall: ∀[x:A]. B[x],  prop: ℙ,  all: ∀x:A. B[x],  not: ¬A,  implies: P ⇒ Q,  or: P ∨ Q,  member: t ∈ T,  set: {x:A| B[x]} ,  apply: f a,  function: x:A ⟶ B[x],  universe: Type
Definitions unfolded in proof :  so_apply: x[s],  so_lambda: λ2x.t[x],  rev_implies: P ⇐ Q,  prop: ℙ,  not: ¬A,  iff: P ⇐⇒ Q,  bfalse: ff,  eq_atom: x =a y,  top: Top,  record-select: r.x,  guard: {T},  sq_type: SQType(T),  ifthenelse: if b then t else f fi ,  uimplies: b supposing a,  and: P ∧ Q,  uiff: uiff(P;Q),  subtype_rel: A ⊆r B,  btrue: tt,  it: ⋅,  unit: Unit,  bool: 𝔹,  implies: P ⇒ Q,  all: ∀x:A. B[x],  record: record(x.T[x]),  record-update: r[x := v],  record+: record+,  separation-space: SeparationSpace,  mk-ss: mk-ss,  member: t ∈ T,  uall: ∀[x:A]. B[x]
Lemmas referenced :  set_wf,  or_wf,  all_wf,  assert_of_bnot,  eqff_to_assert,  iff_weakening_uiff,  not_wf,  bnot_wf,  iff_transitivity,  rec_select_update_lemma,  subtype_base_sq,  assert_of_eq_atom,  eqtt_to_assert,  atom_subtype_base,  assert_wf,  bool_wf,  equal-wf-base,  uiff_transitivity,  eq_atom_wf
Rules used in proof :  universeEquality,  rename,  setElimination,  functionEquality,  lambdaEquality,  axiomEquality,  equalityEquality,  impliesFunctionality,  independent_pairFormation,  voidEquality,  voidElimination,  isect_memberEquality,  equalitySymmetry,  equalityTransitivity,  dependent_functionElimination,  cumulativity,  instantiate,  independent_isectElimination,  productElimination,  independent_functionElimination,  atomEquality,  applyEquality,  baseClosed,  closedConclusion,  baseApply,  equalityElimination,  unionElimination,  lambdaFormation,  hypothesis,  tokenEquality,  hypothesisEquality,  isectElimination,  sqequalHypSubstitution,  extract_by_obid,  thin,  functionExtensionality,  because_Cache,  dependentIntersection_memberEquality,  sqequalRule,  cut,  introduction,  isect_memberFormation,  sqequalReflexivity,  computationStep,  sqequalTransitivity,  sqequalSubstitution

Latex:
\mforall{}[P:Type].  \mforall{}[Sep:\{s:P  {}\mrightarrow{}  P  {}\mrightarrow{}  \mBbbP{}|  \mforall{}x:P.  (\mneg{}(s  x  x))\}  ].  \mforall{}[Sym:\mforall{}x,y:P.    ((Sep  x  y)  {}\mRightarrow{}  (Sep  y  x))].
\mforall{}[C:\mforall{}x,y,z:P.    ((Sep  x  y)  {}\mRightarrow{}  ((Sep  x  z)  \mvee{}  (Sep  y  z)))].
    (Point=P
      \#=Sep
      symm=Sym
      cotrans=C  \mmember{}  SeparationSpace)



Date html generated: 2016_11_08-AM-09_10_55
Last ObjectModification: 2016_11_02-AM-10_51_54

Theory : inner!product!spaces


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