Nuprl Lemma : frs-refines_transitivity

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


Proof




Definitions occuring in Statement :  frs-refines: frs-refines(p;q),  real: ℝ,  list: T List,  uall: ∀[x:A]. B[x],  implies: P ⇒ Q
Definitions unfolded in proof :  uall: ∀[x:A]. B[x],  implies: P ⇒ Q,  frs-refines: frs-refines(p;q),  l_all: (∀x∈L.P[x]),  all: ∀x:A. B[x],  member: t ∈ T,  l_exists: (∃x∈L. P[x]),  exists: ∃x:A. B[x],  guard: {T},  int_seg: {i..j-},  uimplies: b supposing a,  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,  prop: ℙ,  less_than: a < b,  squash: ↓T
Lemmas referenced :  list_wf,  frs-refines_wf,  int_seg_wf,  req_wf,  int_formula_prop_less_lemma,  intformless_wf,  decidable__lt,  int_formula_prop_wf,  int_term_value_var_lemma,  int_term_value_constant_lemma,  int_formula_prop_le_lemma,  int_formula_prop_not_lemma,  int_formula_prop_and_lemma,  itermVar_wf,  itermConstant_wf,  intformle_wf,  intformnot_wf,  intformand_wf,  satisfiable-full-omega-tt,  decidable__le,  length_wf,  int_seg_properties,  real_wf,  select_wf,  req_transitivity
Rules used in proof :  sqequalSubstitution,  sqequalTransitivity,  computationStep,  sqequalReflexivity,  isect_memberFormation,  lambdaFormation,  sqequalHypSubstitution,  dependent_functionElimination,  thin,  hypothesisEquality,  productElimination,  rename,  dependent_pairFormation,  cut,  hypothesis,  lemma_by_obid,  isectElimination,  setElimination,  independent_isectElimination,  natural_numberEquality,  unionElimination,  lambdaEquality,  int_eqEquality,  intEquality,  isect_memberEquality,  voidElimination,  voidEquality,  sqequalRule,  independent_pairFormation,  computeAll,  because_Cache,  imageElimination

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



Date html generated: 2016_05_18-AM-08_52_39
Last ObjectModification: 2016_01_17-AM-02_26_54

Theory : reals


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