Nuprl Lemma : fps-deriv-commutes

∀[X:Type]. ∀[eq:EqDecider(X)]. ∀[r:CRng]. ∀[f,g:PowerSeries(X;r)]. ∀[x,y:X].  (ddf/dx/dy = ddf/dy/dx ∈ PowerSeries(X;r))


Proof




Definitions occuring in Statement :  fps-deriv: df/dx,  power-series: PowerSeries(X;r),  deq: EqDecider(T),  uall: ∀[x:A]. B[x],  universe: Type,  equal: s = t ∈ T,  crng: CRng
Definitions unfolded in proof :  uall: ∀[x:A]. B[x],  member: t ∈ T,  uiff: uiff(P;Q),  and: P ∧ Q,  uimplies: b supposing a,  all: ∀x:A. B[x],  fps-deriv: df/dx,  fps-coeff: f[b],  crng: CRng,  rng: Rng,  subtype_rel: A ⊆r B,  nat: ℕ,  power-series: PowerSeries(X;r),  true: True,  infix_ap: x f y,  squash: ↓T,  prop: ℙ,  guard: {T},  iff: P ⇐⇒ Q,  rev_implies: P ⇐ Q,  implies: P ⇒ Q,  deq: EqDecider(T),  bool: 𝔹,  unit: Unit,  it: ⋅,  btrue: tt,  eqof: eqof(d),  ifthenelse: if b then t else f fi ,  bfalse: ff,  exists: ∃x:A. B[x],  or: P ∨ Q,  sq_type: SQType(T),  bnot: ¬bb,  assert: ↑b,  false: False,  not: ¬A,  top: Top
Lemmas referenced :  fps-ext,  fps-deriv_wf,  bag_wf,  rng_car_wf,  int-to-ring_wf,  bag-count_wf,  nat_wf,  cons-bag_wf,  rng_times_wf,  equal_wf,  squash_wf,  true_wf,  rng_times_assoc,  subtype_rel_self,  iff_weakening_equal,  ifthenelse_wf,  bool_wf,  eqtt_to_assert,  safe-assert-deq,  and_wf,  eqff_to_assert,  bool_cases_sqequal,  subtype_base_sq,  bool_subtype_base,  assert-bnot,  crng_times_comm,  rng_wf,  add_functionality_wrt_eq,  bag-count-cons,  bag-append-assoc2,  cons-bag-as-append,  bag-append-assoc,  bag-append-assoc-comm,  single-bag_wf
Rules used in proof :  sqequalSubstitution,  sqequalTransitivity,  computationStep,  sqequalReflexivity,  isect_memberFormation,  introduction,  cut,  extract_by_obid,  sqequalHypSubstitution,  isectElimination,  thin,  because_Cache,  hypothesisEquality,  hypothesis,  productElimination,  independent_isectElimination,  lambdaFormation,  sqequalRule,  isect_memberEquality,  axiomEquality,  setElimination,  rename,  addEquality,  applyEquality,  lambdaEquality,  natural_numberEquality,  imageElimination,  equalityTransitivity,  equalitySymmetry,  imageMemberEquality,  baseClosed,  instantiate,  independent_functionElimination,  intEquality,  unionElimination,  equalityElimination,  dependent_set_memberEquality,  independent_pairFormation,  applyLambdaEquality,  dependent_pairFormation,  promote_hyp,  dependent_functionElimination,  cumulativity,  voidElimination,  universeEquality,  voidEquality

Latex:
\mforall{}[X:Type].  \mforall{}[eq:EqDecider(X)].  \mforall{}[r:CRng].  \mforall{}[f,g:PowerSeries(X;r)].  \mforall{}[x,y:X].
    (ddf/dx/dy  =  ddf/dy/dx)



Date html generated: 2018_05_21-PM-10_17_20
Last ObjectModification: 2018_05_19-PM-04_19_12

Theory : power!series


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