Nuprl Lemma : imonomial-cons-ringeq

∀r:CRng. ∀v:ℤ List. ∀u,a:ℤ. ∀f:ℤ ⟶ |r|.  (ring_term_value(f;imonomial-term(<a, [u / v]>)) = ((f u) * ring_term_value(f;\000Cimonomial-term(<a, v>))) ∈ |r|)


Proof




Definitions occuring in Statement :  ring_term_value: ring_term_value(f;t),  crng: CRng,  rng_times: *,  rng_car: |r|,  imonomial-term: imonomial-term(m),  cons: [a / b],  list: T List,  infix_ap: x f y,  all: ∀x:A. B[x],  apply: f a,  function: x:A ⟶ B[x],  pair: <a, b>,  int: ℤ,  equal: s = t ∈ T
Definitions unfolded in proof :  all: ∀x:A. B[x],  member: t ∈ T,  uall: ∀[x:A]. B[x],  crng: CRng,  rng: Rng,  true: True,  squash: ↓T,  infix_ap: x f y,  subtype_rel: A ⊆r B,  uimplies: b supposing a,  guard: {T},  iff: P ⇐⇒ Q,  and: P ∧ Q,  rev_implies: P ⇐ Q,  implies: P ⇒ Q,  prop: ℙ,  imonomial-term: imonomial-term(m),  top: Top,  so_lambda: λ2x y.t[x; y],  so_apply: x[s1;s2]
Lemmas referenced :  rng_car_wf,  list_wf,  crng_wf,  cons_wf,  rng_times_wf,  equal_wf,  int-to-ring_wf,  ring_term_value_wf,  imonomial-term_wf,  iff_weakening_equal,  crng_times_ac_1,  squash_wf,  true_wf,  imonomial-term-linear-ringeq,  subtype_rel_self,  list_accum_cons_lemma,  imonomial-ringeq-lemma,  itermMultiply_wf,  itermConstant_wf,  itermVar_wf,  list_accum_wf,  int_term_wf,  ring_term_value_mul_lemma,  ring_term_value_const_lemma,  ring_term_value_var_lemma,  rng_one_wf,  int-to-ring-one,  rng_times_assoc,  rng_times_one
Rules used in proof :  sqequalSubstitution,  sqequalTransitivity,  computationStep,  sqequalReflexivity,  lambdaFormation,  cut,  hypothesis,  functionEquality,  intEquality,  introduction,  extract_by_obid,  sqequalHypSubstitution,  isectElimination,  thin,  setElimination,  rename,  hypothesisEquality,  because_Cache,  applyEquality,  natural_numberEquality,  lambdaEquality,  imageElimination,  independent_pairEquality,  sqequalRule,  imageMemberEquality,  baseClosed,  equalityTransitivity,  equalitySymmetry,  independent_isectElimination,  productElimination,  independent_functionElimination,  universeEquality,  dependent_functionElimination,  instantiate,  isect_memberEquality,  voidElimination,  voidEquality

Latex:
\mforall{}r:CRng.  \mforall{}v:\mBbbZ{}  List.  \mforall{}u,a:\mBbbZ{}.  \mforall{}f:\mBbbZ{}  {}\mrightarrow{}  |r|.
    (ring\_term\_value(f;imonomial-term(<a,  [u  /  v]>))  =  ((f  u)  *  ring\_term\_value(f;imonomial-term(<a,  v\000C>))))



Date html generated: 2018_05_21-PM-03_16_56
Last ObjectModification: 2018_05_19-AM-08_08_04

Theory : rings_1


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