Nuprl Lemma : frs-refines_weakening

∀[p,q:ℝ List].  ((p = q ∈ (ℝ List)) ⇒ frs-refines(p;q))


Proof




Definitions occuring in Statement :  frs-refines: frs-refines(p;q),  real: ℝ,  list: T List,  uall: ∀[x:A]. B[x],  implies: P ⇒ Q,  equal: s = t ∈ T
Definitions unfolded in proof :  uall: ∀[x:A]. B[x],  implies: P ⇒ Q,  member: t ∈ T,  prop: ℙ,  frs-refines: frs-refines(p;q),  l_all: (∀x∈L.P[x]),  all: ∀x:A. B[x],  l_exists: (∃x∈L. P[x]),  exists: ∃x:A. B[x],  int_seg: {i..j-},  uimplies: b supposing a,  guard: {T},  lelt: i ≤ j < k,  and: P ∧ Q,  decidable: Dec(P),  or: P ∨ Q,  satisfiable_int_formula: satisfiable_int_formula(fmla),  false: False,  not: ¬A,  top: Top,  less_than: a < b,  squash: ↓T
Lemmas referenced :  length_wf_nat,  real_wf,  equal_wf,  nat_wf,  req_weakening,  select_wf,  int_seg_properties,  length_wf,  decidable__le,  satisfiable-full-omega-tt,  intformand_wf,  intformnot_wf,  intformle_wf,  itermConstant_wf,  itermVar_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_wf,  decidable__lt,  intformless_wf,  int_formula_prop_less_lemma,  req_wf,  int_seg_wf,  frs-refines_wf,  list_wf
Rules used in proof :  sqequalSubstitution,  sqequalTransitivity,  computationStep,  sqequalReflexivity,  isect_memberFormation,  lambdaFormation,  cut,  dependent_set_memberEquality,  hypothesis,  introduction,  extract_by_obid,  sqequalHypSubstitution,  isectElimination,  thin,  hypothesisEquality,  dependent_pairFormation,  because_Cache,  setElimination,  rename,  independent_isectElimination,  natural_numberEquality,  productElimination,  dependent_functionElimination,  unionElimination,  lambdaEquality,  int_eqEquality,  intEquality,  isect_memberEquality,  voidElimination,  voidEquality,  sqequalRule,  independent_pairFormation,  computeAll,  imageElimination,  hyp_replacement,  equalitySymmetry,  Error :applyLambdaEquality

Latex:
\mforall{}[p,q:\mBbbR{}  List].    ((p  =  q)  {}\mRightarrow{}  frs-refines(p;q))



Date html generated: 2016_10_26-AM-09_32_25
Last ObjectModification: 2016_07_12-AM-08_19_47

Theory : reals


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