Nuprl Lemma : int-to-ring_wf

∀[r:Rng]. ∀[n:ℤ].  (int-to-ring(r;n) ∈ |r|)


Proof




Definitions occuring in Statement :  int-to-ring: int-to-ring(r;n),  rng: Rng,  rng_car: |r|,  uall: ∀[x:A]. B[x],  member: t ∈ T,  int: ℤ
Definitions unfolded in proof :  uall: ∀[x:A]. B[x],  member: t ∈ T,  int-to-ring: int-to-ring(r;n),  all: ∀x:A. B[x],  implies: P ⇒ Q,  bool: 𝔹,  unit: Unit,  it: ⋅,  btrue: tt,  subtype_rel: A ⊆r B,  uiff: uiff(P;Q),  and: P ∧ Q,  uimplies: b supposing a,  ifthenelse: if b then t else f fi ,  rng: Rng,  nat: ℕ,  decidable: Dec(P),  or: P ∨ Q,  satisfiable_int_formula: satisfiable_int_formula(fmla),  exists: ∃x:A. B[x],  false: False,  not: ¬A,  top: Top,  prop: ℙ,  bfalse: ff,  guard: {T}
Lemmas referenced :  lt_int_wf,  bool_wf,  uiff_transitivity,  equal-wf-base,  int_subtype_base,  assert_wf,  less_than_wf,  eqtt_to_assert,  assert_of_lt_int,  rng_minus_wf,  rng_nat_op_wf,  decidable__le,  satisfiable-full-omega-tt,  intformand_wf,  intformnot_wf,  intformle_wf,  itermConstant_wf,  itermMinus_wf,  itermVar_wf,  intformless_wf,  int_formula_prop_and_lemma,  int_formula_prop_not_lemma,  int_formula_prop_le_lemma,  int_term_value_constant_lemma,  int_term_value_minus_lemma,  int_term_value_var_lemma,  int_formula_prop_less_lemma,  int_formula_prop_wf,  le_wf,  rng_one_wf,  le_int_wf,  bnot_wf,  eqff_to_assert,  assert_functionality_wrt_uiff,  bnot_of_lt_int,  assert_of_le_int,  equal_wf,  rng_wf
Rules used in proof :  sqequalSubstitution,  sqequalTransitivity,  computationStep,  sqequalReflexivity,  isect_memberFormation,  introduction,  cut,  sqequalRule,  extract_by_obid,  sqequalHypSubstitution,  isectElimination,  thin,  hypothesisEquality,  natural_numberEquality,  hypothesis,  lambdaFormation,  unionElimination,  equalityElimination,  baseApply,  closedConclusion,  baseClosed,  applyEquality,  independent_functionElimination,  because_Cache,  productElimination,  independent_isectElimination,  setElimination,  rename,  dependent_set_memberEquality,  dependent_functionElimination,  minusEquality,  dependent_pairFormation,  lambdaEquality,  int_eqEquality,  intEquality,  isect_memberEquality,  voidElimination,  voidEquality,  independent_pairFormation,  computeAll,  equalityTransitivity,  equalitySymmetry,  axiomEquality

Latex:
\mforall{}[r:Rng].  \mforall{}[n:\mBbbZ{}].    (int-to-ring(r;n)  \mmember{}  |r|)



Date html generated: 2017_10_01-AM-08_18_55
Last ObjectModification: 2017_02_28-PM-02_03_43

Theory : rings_1


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