Nuprl Lemma : qeq-qrep

∀[r:ℚ]. qeq(r;qrep(r)) = tt


Proof




Definitions occuring in Statement :  qrep: qrep(r),  rationals: ℚ,  qeq: qeq(r;s),  btrue: tt,  bool: 𝔹,  uall: ∀[x:A]. B[x],  equal: s = t ∈ T
Definitions unfolded in proof :  uall: ∀[x:A]. B[x],  rationals: ℚ,  member: t ∈ T,  quotient: x,y:A//B[x; y],  and: P ∧ Q,  all: ∀x:A. B[x],  implies: P ⇒ Q,  prop: ℙ,  b-union: A ⋃ B,  tunion: ⋃x:A.B[x],  bool: 𝔹,  unit: Unit,  ifthenelse: if b then t else f fi ,  pi2: snd(t),  qrep: qrep(r),  qeq: qeq(r;s),  uimplies: b supposing a,  callbyvalueall: callbyvalueall,  has-value: (a)↓,  has-valueall: has-valueall(a),  btrue: tt,  so_lambda: λ2x.t[x],  so_apply: x[s],  subtype_rel: A ⊆r B,  int_nzero: ℤ-o,  bfalse: ff,  spreadn: spread3,  it: ⋅,  uiff: uiff(P;Q),  exists: ∃x:A. B[x],  or: P ∨ Q,  sq_type: SQType(T),  guard: {T},  bnot: ¬bb,  assert: ↑b,  false: False,  not: ¬A,  le: A ≤ B,  squash: ↓T,  decidable: Dec(P),  satisfiable_int_formula: satisfiable_int_formula(fmla),  top: Top,  true: True,  iff: P ⇐⇒ Q,  rev_implies: P ⇐ Q,  nat: ℕ,  ge: i ≥ j ,  nequal: a ≠ b ∈ T 
Lemmas referenced :  bool_wf,  b-union_wf,  int_nzero_wf,  equal_wf,  equal-wf-base,  equal-wf-T-base,  qeq_wf,  rationals_wf,  valueall-type-has-valueall,  int-valueall-type,  evalall-reduce,  product-valueall-type,  evalall-sqequal,  int_subtype_base,  set-valueall-type,  nequal_wf,  le_int_wf,  eqtt_to_assert,  assert_of_le_int,  eqff_to_assert,  bool_cases_sqequal,  subtype_base_sq,  bool_subtype_base,  assert-bnot,  le_wf,  set_subtype_base,  eq_int_eq_true,  decidable__equal_int,  satisfiable-full-omega-tt,  intformnot_wf,  intformeq_wf,  itermMultiply_wf,  itermVar_wf,  itermConstant_wf,  int_formula_prop_not_lemma,  int_formula_prop_eq_lemma,  int_term_value_mul_lemma,  int_term_value_var_lemma,  int_term_value_constant_lemma,  int_formula_prop_wf,  btrue_wf,  iff_weakening_equal,  gcd_reduce_property,  gcd_reduce_wf,  nat_wf,  squash_wf,  true_wf,  equal-wf-base-T,  coprime_wf,  nat_properties,  int_nzero_properties,  intformand_wf,  itermMinus_wf,  int_formula_prop_and_lemma,  int_term_value_minus_lemma
Rules used in proof :  sqequalSubstitution,  sqequalTransitivity,  computationStep,  sqequalReflexivity,  isect_memberFormation,  sqequalHypSubstitution,  pointwiseFunctionalityForEquality,  cut,  introduction,  extract_by_obid,  hypothesis,  sqequalRule,  pertypeElimination,  productElimination,  thin,  equalityTransitivity,  equalitySymmetry,  isectElimination,  intEquality,  productEquality,  lambdaFormation,  hypothesisEquality,  dependent_functionElimination,  independent_functionElimination,  because_Cache,  baseClosed,  imageElimination,  unionElimination,  equalityElimination,  independent_isectElimination,  callbyvalueReduce,  isintReduceTrue,  lambdaEquality,  independent_pairEquality,  natural_numberEquality,  baseApply,  closedConclusion,  applyEquality,  dependent_pairFormation,  promote_hyp,  instantiate,  cumulativity,  voidElimination,  minusEquality,  multiplyEquality,  int_eqEquality,  isect_memberEquality,  voidEquality,  computeAll,  imageMemberEquality,  universeEquality,  setElimination,  rename,  independent_pairFormation

Latex:
\mforall{}[r:\mBbbQ{}].  qeq(r;qrep(r))  =  tt



Date html generated: 2018_05_21-PM-11_47_34
Last ObjectModification: 2017_07_26-PM-06_43_10

Theory : rationals


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