Nuprl Lemma : quot_by_prime_ideal

∀r:CRng. ∀p:Ideal(r){i}. ∀d:detach_fun(|r|;p).  ((∀u:|r|. SqStable(p u)) ⇒ (IsPrimeIdeal(r;p) ⇐⇒ IsIntegDom(r / d)))


Proof




Definitions occuring in Statement :  prime_ideal_p: IsPrimeIdeal(R;P),  quot_ring: r / d,  ideal: Ideal(r){i},  integ_dom_p: IsIntegDom(r),  crng: CRng,  rng_car: |r|,  detach_fun: detach_fun(T;A),  sq_stable: SqStable(P),  all: ∀x:A. B[x],  iff: P ⇐⇒ Q,  implies: P ⇒ Q,  apply: f a
Definitions unfolded in proof :  all: ∀x:A. B[x],  implies: P ⇒ Q,  member: t ∈ T,  prop: ℙ,  uall: ∀[x:A]. B[x],  crng: CRng,  rng: Rng,  so_lambda: λ2x.t[x],  ideal: Ideal(r){i},  so_apply: x[s],  integ_dom_p: IsIntegDom(r),  nequal: a ≠ b ∈ T ,  iff: P ⇐⇒ Q,  and: P ∧ Q,  rev_implies: P ⇐ Q,  subtype_rel: A ⊆r B,  guard: {T},  uimplies: b supposing a,  infix_ap: x f y,  type_inj: [x]{T},  quot_ring: r / d,  rng_one: 1,  pi2: snd(t),  pi1: fst(t),  rng_zero: 0,  rng_times: *,  true: True,  squash: ↓T,  or: P ∨ Q,  false: False,  not: ¬A,  cand: A c∧ B,  decidable: Dec(P),  prime_ideal_p: IsPrimeIdeal(R;P)
Lemmas referenced :  all_wf,  rng_car_wf,  sq_stable_wf,  detach_fun_wf,  ideal_wf,  crng_wf,  not_functionality_wrt_iff,  equal_wf,  quot_ring_wf,  rng_subtype_rng_sig,  crng_subtype_rng,  subtype_rel_transitivity,  rng_wf,  rng_sig_wf,  type_inj_wf_for_qrng,  rng_one_wf,  rng_zero_wf,  rng_plus_wf,  rng_minus_wf,  quot_ring_car_elim_b,  rng_times_wf,  not_wf,  prime_ideal_p_wf,  subtype_rel_self,  all_rng_quot_elim_a,  rev_implies_wf,  sq_stable__all,  sq_stable__equal,  squash_wf,  true_wf,  rng_plus_zero,  iff_weakening_equal,  rng_plus_comm,  rng_minus_zero,  or_wf,  dec_alt_char,  iff_wf
Rules used in proof :  sqequalSubstitution,  sqequalTransitivity,  computationStep,  sqequalReflexivity,  lambdaFormation,  cut,  introduction,  extract_by_obid,  sqequalHypSubstitution,  isectElimination,  thin,  setElimination,  rename,  hypothesisEquality,  hypothesis,  sqequalRule,  lambdaEquality,  applyEquality,  because_Cache,  productElimination,  independent_pairFormation,  independent_functionElimination,  instantiate,  independent_isectElimination,  dependent_functionElimination,  cumulativity,  universeEquality,  productEquality,  functionEquality,  equalityTransitivity,  equalitySymmetry,  natural_numberEquality,  imageElimination,  imageMemberEquality,  baseClosed,  voidElimination,  inlFormation,  inrFormation,  unionElimination,  addLevel

Latex:
\mforall{}r:CRng.  \mforall{}p:Ideal(r)\{i\}.  \mforall{}d:detach\_fun(|r|;p).
    ((\mforall{}u:|r|.  SqStable(p  u))  {}\mRightarrow{}  (IsPrimeIdeal(r;p)  \mLeftarrow{}{}\mRightarrow{}  IsIntegDom(r  /  d)))



Date html generated: 2019_10_15-AM-10_33_56
Last ObjectModification: 2018_08_29-AM-10_10_15

Theory : rings_1


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