Nuprl Lemma : rec-value-evalall

∀[x:Base]. uiff((evalall(x))↓;x ∈ rec-value())


Proof




Definitions occuring in Statement :  rec-value: rec-value(),  has-value: (a)↓,  evalall: evalall(t),  uiff: uiff(P;Q),  uall: ∀[x:A]. B[x],  member: t ∈ T,  base: Base
Definitions unfolded in proof :  has-value: (a)↓,  prop: ℙ,  uimplies: b supposing a,  and: P ∧ Q,  uiff: uiff(P;Q),  member: t ∈ T,  uall: ∀[x:A]. B[x],  evalall: evalall(t),  nat: ℕ,  implies: P ⇒ Q,  false: False,  ge: i ≥ j ,  satisfiable_int_formula: satisfiable_int_formula(fmla),  exists: ∃x:A. B[x],  not: ¬A,  all: ∀x:A. B[x],  top: Top,  subtype_rel: A ⊆r B,  decidable: Dec(P),  or: P ∨ Q,  nat_plus: ℕ+,  b-union: A ⋃ B,  tunion: ⋃x:A.B[x],  ifthenelse: if b then t else f fi ,  bfalse: ff,  btrue: tt,  guard: {T},  pi2: snd(t),  ext-eq: A ≡ B,  outl: outl(x),  outr: outr(x),  atomic-values: atomic-values(),  Value: Value(),  is-atomic: is-atomic(x),  assert: ↑b,  true: True,  le: A ≤ B,  co-value-height: co-value-height(t),  rec-value-height: rec-value-height(v),  unit: Unit,  bool: 𝔹
Lemmas referenced :  istype-base,  rec-value_wf,  has-value_wf_base,  nat_properties,  satisfiable-full-omega-tt,  intformand_wf,  intformle_wf,  itermConstant_wf,  itermVar_wf,  intformless_wf,  int_formula_prop_and_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,  ge_wf,  less_than_wf,  int_subtype_base,  base_wf,  fun_exp0_lemma,  strictness-apply,  bottom_diverge,  decidable__le,  subtract_wf,  intformnot_wf,  itermSubtract_wf,  int_formula_prop_not_lemma,  int_term_value_subtract_lemma,  fun_exp_unroll_1,  has-value-implies-dec-ispair-2,  bfalse_wf,  ifthenelse_wf,  atomic-values_wf,  b-union_wf,  rec-value-ext,  has-value-implies-dec-isinl-2,  has-value-implies-dec-isinr-2,  btrue_wf,  istype-assert,  is-atomic_wf,  istype-nat,  false_wf,  add-is-int-iff,  is-exception_wf,  subtract-1-ge-0,  istype-le,  int_term_value_add_lemma,  itermAdd_wf,  rec-value-height_wf,  istype-less_than,  istype-void,  istype-int,  full-omega-unsat,  atomic-values_subtype_base,  atomic-values-evalall
Rules used in proof :  Error :inhabitedIsType,  Error :isectIsTypeImplies,  Error :isect_memberEquality_alt,  independent_pairEquality,  productElimination,  sqequalBase,  Error :equalityIstype,  axiomSqleEquality,  hypothesisEquality,  baseClosed,  closedConclusion,  baseApply,  thin,  isectElimination,  extract_by_obid,  Error :universeIsType,  equalitySymmetry,  equalityTransitivity,  axiomEquality,  sqequalRule,  hypothesis,  sqequalHypSubstitution,  independent_pairFormation,  cut,  introduction,  Error :isect_memberFormation_alt,  sqequalReflexivity,  computationStep,  sqequalTransitivity,  sqequalSubstitution,  compactness,  setElimination,  rename,  intWeakElimination,  lambdaFormation,  natural_numberEquality,  independent_isectElimination,  dependent_pairFormation,  lambdaEquality,  int_eqEquality,  intEquality,  dependent_functionElimination,  isect_memberEquality,  voidElimination,  voidEquality,  computeAll,  independent_functionElimination,  applyEquality,  unionElimination,  because_Cache,  dependent_set_memberEquality,  callbyvalueCallbyvalue,  callbyvalueReduce,  imageMemberEquality,  Error :dependent_pairEquality_alt,  instantiate,  universeEquality,  productEquality,  unionEquality,  Error :inlEquality_alt,  Error :inrEquality_alt,  Error :dependent_set_memberEquality_alt,  Error :lambdaFormation_alt,  promote_hyp,  pointwiseFunctionality,  sqleReflexivity,  divergentSqle,  applyLambdaEquality,  equalityElimination,  imageElimination,  hypothesis_subsumption,  Error :functionIsTypeImplies,  Error :lambdaEquality_alt,  Error :dependent_pairFormation_alt,  approximateComputation

Latex:
\mforall{}[x:Base].  uiff((evalall(x))\mdownarrow{};x  \mmember{}  rec-value())



Date html generated: 2019_06_20-PM-01_54_29
Last ObjectModification: 2019_01_11-PM-03_12_31

Theory : rec_values


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