Nuprl Lemma : p-inv_wf

∀p:{p:{2...}| prime(p)} . ∀a:p-units(p).  (p-inv(p;a) ∈ {b:p-adics(p)| a * b = 1(p) ∈ p-adics(p)} )


Proof




Definitions occuring in Statement :  p-inv: p-inv(p;a),  p-units: p-units(p),  p-int: k(p),  p-mul: x * y,  p-adics: p-adics(p),  prime: prime(a),  int_upper: {i...},  all: ∀x:A. B[x],  member: t ∈ T,  set: {x:A| B[x]} ,  natural_number: $n,  equal: s = t ∈ T
Definitions unfolded in proof :  p-units: p-units(p),  all: ∀x:A. B[x],  member: t ∈ T,  uall: ∀[x:A]. B[x],  int_upper: {i...},  not: ¬A,  implies: P ⇒ Q,  p-adics: p-adics(p),  nat_plus: ℕ+,  less_than: a < b,  squash: ↓T,  less_than': less_than'(a;b),  true: True,  and: P ∧ Q,  subtype_rel: A ⊆r B,  int_seg: {i..j-},  so_lambda: λ2x.t[x],  nat: ℕ,  le: A ≤ B,  false: False,  so_apply: x[s],  uimplies: b supposing a,  prop: ℙ,  p-inv: p-inv(p;a),  has-value: (a)↓,  decidable: Dec(P),  or: P ∨ Q,  satisfiable_int_formula: satisfiable_int_formula(fmla),  exists: ∃x:A. B[x],  top: Top,  p-adic-inv-lemma,  sign: sign(x),  lelt: i ≤ j < k,  bool: 𝔹,  unit: Unit,  it: ⋅,  btrue: tt,  uiff: uiff(P;Q),  ifthenelse: if b then t else f fi ,  bfalse: ff,  sq_type: SQType(T),  guard: {T},  bnot: ¬bb,  assert: ↑b,  rev_implies: P ⇐ Q,  iff: P ⇐⇒ Q,  sq_exists: ∃x:A [B[x]],  sq_stable: SqStable(P),  eqmod: a ≡ b mod m,  divides: b | a,  ge: i ≥ j ,  int_nzero: ℤ-o,  nequal: a ≠ b ∈ T ,  cand: A c∧ B,  rev_uimplies: rev_uimplies(P;Q),  p-int: k(p),  p-mul: x * y
Lemmas referenced :  p-adics_wf,  istype-int,  istype-less_than,  set_subtype_base,  lelt_wf,  exp_wf2,  istype-false,  istype-le,  int_subtype_base,  istype-void,  istype-int_upper,  prime_wf,  value-type-has-value,  nat_plus_wf,  set-value-type,  less_than_wf,  int-value-type,  exp_wf_nat_plus,  nat_plus_properties,  int_upper_properties,  decidable__le,  full-omega-unsat,  intformand_wf,  intformnot_wf,  intformle_wf,  itermConstant_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_var_lemma,  int_formula_prop_less_lemma,  int_formula_prop_wf,  decidable__lt,  int_seg_wf,  p-adic-inv-lemma,  subtype_base_sq,  le_int_wf,  eqtt_to_assert,  assert_of_le_int,  eqff_to_assert,  bool_cases_sqequal,  bool_wf,  bool_subtype_base,  assert-bnot,  iff_weakening_uiff,  assert_wf,  le_wf,  int_seg_properties,  nat_plus_subtype_nat,  intformeq_wf,  int_formula_prop_eq_lemma,  exp-positive,  absval_pos,  subtype_rel_self,  int_upper_wf,  not_wf,  equal-wf-base,  sq_exists_wf,  eqmod_wf,  itermAdd_wf,  int_term_value_add_lemma,  sq_stable__eqmod,  p-adic-property,  equal_wf,  squash_wf,  true_wf,  istype-universe,  mul_assoc,  iff_weakening_equal,  exp_add,  exp1,  int_seg_subtype_nat,  eqmod_functionality_wrt_eqmod,  multiply_functionality_wrt_eqmod,  eqmod_weakening,  nat_properties,  decidable__equal_int,  itermMultiply_wf,  itermSubtract_wf,  int_term_value_mul_lemma,  int_term_value_subtract_lemma,  subtract_wf,  divides_wf,  divides_subtract,  divides_product,  exp_step,  divisor_bound,  subtype_rel_set,  nat_wf,  upper_subtype_nat,  prime-power-divides-product,  sq_stable_from_decidable,  decidable__prime,  mul_cancel_in_eq,  exp_wf3,  int_nzero_wf,  subtype_rel_sets_simple,  nequal_wf,  itermMinus_wf,  int_term_value_minus_lemma,  p-mul_wf,  not-lt-2,  add_functionality_wrt_le,  add-commutes,  zero-add,  le-add-cancel,  p-int_wf,  p-adics-equal,  p-reduce_wf,  mul-commutes,  p-reduce-eqmod
Rules used in proof :  sqequalSubstitution,  sqequalRule,  sqequalReflexivity,  sqequalTransitivity,  computationStep,  lambdaFormation_alt,  cut,  sqequalHypSubstitution,  hypothesis,  setIsType,  universeIsType,  introduction,  extract_by_obid,  isectElimination,  thin,  setElimination,  rename,  hypothesisEquality,  functionIsType,  equalityIstype,  applyEquality,  dependent_set_memberEquality_alt,  natural_numberEquality,  independent_pairFormation,  imageMemberEquality,  baseClosed,  intEquality,  lambdaEquality_alt,  independent_isectElimination,  sqequalBase,  equalitySymmetry,  functionExtensionality,  callbyvalueReduce,  dependent_functionElimination,  unionElimination,  approximateComputation,  independent_functionElimination,  dependent_pairFormation_alt,  int_eqEquality,  isect_memberEquality_alt,  voidElimination,  because_Cache,  instantiate,  cumulativity,  inhabitedIsType,  productElimination,  equalityElimination,  equalityTransitivity,  promote_hyp,  applyLambdaEquality,  imageElimination,  functionEquality,  setEquality,  multiplyEquality,  addEquality,  universeEquality,  baseApply,  closedConclusion,  inrFormation_alt,  inlFormation_alt,  minusEquality

Latex:
\mforall{}p:\{p:\{2...\}|  prime(p)\}  .  \mforall{}a:p-units(p).    (p-inv(p;a)  \mmember{}  \{b:p-adics(p)|  a  *  b  =  1(p)\}  )



Date html generated: 2019_10_15-AM-10_35_07
Last ObjectModification: 2019_06_24-PM-00_57_15

Theory : rings_1


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