Nuprl Lemma : gcd-reduce-coprime

∀p,q:ℤ.  ∃x,y:ℤ. (((x * p) + (y * q)) = 1 ∈ ℤ) supposing CoPrime(p,q)


Proof




Definitions occuring in Statement :  coprime: CoPrime(a,b),  uimplies: b supposing a,  all: ∀x:A. B[x],  exists: ∃x:A. B[x],  multiply: n * m,  add: n + m,  natural_number: $n,  int: ℤ,  equal: s = t ∈ T
Definitions unfolded in proof :  all: ∀x:A. B[x],  member: t ∈ T,  uimplies: b supposing a,  exists: ∃x:A. B[x],  and: P ∧ Q,  prop: ℙ,  uall: ∀[x:A]. B[x],  sq_type: SQType(T),  implies: P ⇒ Q,  guard: {T},  nat: ℕ,  ge: i ≥ j ,  decidable: Dec(P),  or: P ∨ Q,  not: ¬A,  satisfiable_int_formula: satisfiable_int_formula(fmla),  false: False,  top: Top,  subtype_rel: A ⊆r B,  so_lambda: λ2x.t[x],  so_apply: x[s],  coprime: CoPrime(a,b),  gcd_p: GCD(a;b;y),  cand: A c∧ B,  divides: b | a,  nat_plus: ℕ+,  less_than: a < b,  squash: ↓T,  less_than': less_than'(a;b),  true: True
Lemmas referenced :  gcd-reduce-ext,  coprime_wf,  subtype_base_sq,  int_subtype_base,  nat_properties,  decidable__equal_int,  full-omega-unsat,  intformand_wf,  intformnot_wf,  intformeq_wf,  itermAdd_wf,  itermMultiply_wf,  itermVar_wf,  itermConstant_wf,  int_formula_prop_and_lemma,  int_formula_prop_not_lemma,  int_formula_prop_eq_lemma,  int_term_value_add_lemma,  int_term_value_mul_lemma,  int_term_value_var_lemma,  int_term_value_constant_lemma,  int_formula_prop_wf,  equal-wf-base,  exists_wf,  equal-wf-base-T,  divisor_bound,  less_than_wf,  intformle_wf,  int_formula_prop_le_lemma
Rules used in proof :  cut,  introduction,  extract_by_obid,  sqequalSubstitution,  sqequalTransitivity,  computationStep,  sqequalReflexivity,  lambdaFormation,  hypothesis,  sqequalHypSubstitution,  dependent_functionElimination,  thin,  hypothesisEquality,  isect_memberFormation,  productElimination,  isectElimination,  intEquality,  promote_hyp,  instantiate,  cumulativity,  independent_isectElimination,  equalityTransitivity,  equalitySymmetry,  independent_functionElimination,  because_Cache,  dependent_pairFormation,  setElimination,  rename,  unionElimination,  natural_numberEquality,  approximateComputation,  lambdaEquality,  int_eqEquality,  isect_memberEquality,  voidElimination,  voidEquality,  sqequalRule,  independent_pairFormation,  baseApply,  closedConclusion,  baseClosed,  applyEquality,  multiplyEquality,  dependent_set_memberEquality,  imageMemberEquality

Latex:
\mforall{}p,q:\mBbbZ{}.    \mexists{}x,y:\mBbbZ{}.  (((x  *  p)  +  (y  *  q))  =  1)  supposing  CoPrime(p,q)



Date html generated: 2018_05_21-PM-00_59_22
Last ObjectModification: 2018_05_19-AM-06_35_23

Theory : num_thy_1


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