Nuprl Lemma : fpf-normalize-ap

∀[A:Type]. ∀[eq:EqDecider(A)]. ∀[B:A ⟶ Type]. ∀[g:x:A fp-> B[x]]. ∀[x:A].
  fpf-normalize(eq;g)(x) = g(x) ∈ B[x] supposing ↑x ∈ dom(g)


Proof




Definitions occuring in Statement :  fpf-normalize: fpf-normalize(eq;g),  fpf-ap: f(x),  fpf-dom: x ∈ dom(f),  fpf: a:A fp-> B[a],  deq: EqDecider(T),  assert: ↑b,  uimplies: b supposing a,  uall: ∀[x:A]. B[x],  so_apply: x[s],  function: x:A ⟶ B[x],  universe: Type,  equal: s = t ∈ T
Definitions unfolded in proof :  uall: ∀[x:A]. B[x],  member: t ∈ T,  uimplies: b supposing a,  fpf: a:A fp-> B[a],  fpf-ap: f(x),  fpf-normalize: fpf-normalize(eq;g),  pi2: snd(t),  pi1: fst(t),  fpf-empty: ⊗,  fpf-single: x : v,  fpf-join: f ⊕ g,  append: as @ bs,  all: ∀x:A. B[x],  so_lambda: so_lambda3,  so_apply: x[s1;s2;s3],  fpf-cap: f(x)?z,  fpf-dom: x ∈ dom(f),  subtype_rel: A ⊆r B,  so_lambda: λ2x.t[x],  so_apply: x[s],  prop: ℙ,  implies: P ⇒ Q,  top: Top,  less_than': less_than'(a;b),  squash: ↓T,  less_than: a < b,  sq_type: SQType(T),  it: ⋅,  nil: [],  decidable: Dec(P),  so_apply: x[s1;s2],  so_lambda: λ2x y.t[x; y],  colength: colength(L),  cons: [a / b],  or: P ∨ Q,  guard: {T},  and: P ∧ Q,  not: ¬A,  exists: ∃x:A. B[x],  satisfiable_int_formula: satisfiable_int_formula(fmla),  ge: i ≥ j ,  false: False,  nat: ℕ,  le: A ≤ B,  bfalse: ff,  ifthenelse: if b then t else f fi ,  assert: ↑b,  deq-member: x ∈b L,  deq: EqDecider(T),  bool: 𝔹,  unit: Unit,  btrue: tt,  eqof: eqof(d),  uiff: uiff(P;Q),  bor: p ∨bq,  label: ...$L... t,  true: True,  iff: P ⇐⇒ Q,  rev_implies: P ⇐ Q
Lemmas referenced :  list_ind_cons_lemma,  list_ind_nil_lemma,  fpf_ap_pair_lemma,  deq_member_cons_lemma,  deq_member_nil_lemma,  istype-assert,  fpf-dom_wf,  subtype-fpf2,  top_wf,  fpf_wf,  deq_wf,  istype-universe,  equal_wf,  reduce_cons_lemma,  decidable__equal_int,  int_subtype_base,  set_subtype_base,  subtype_base_sq,  int_term_value_subtract_lemma,  itermSubtract_wf,  subtract_wf,  le_wf,  int_formula_prop_not_lemma,  intformnot_wf,  decidable__le,  int_term_value_add_lemma,  int_formula_prop_eq_lemma,  itermAdd_wf,  intformeq_wf,  spread_cons_lemma,  product_subtype_list,  reduce_nil_lemma,  list-cases,  list_wf,  less_than_irreflexivity,  less_than_transitivity1,  colength_wf_list,  nat_wf,  equal-wf-T-base,  less_than_wf,  ge_wf,  int_formula_prop_wf,  int_formula_prop_less_lemma,  int_term_value_var_lemma,  int_term_value_constant_lemma,  int_formula_prop_le_lemma,  int_formula_prop_and_lemma,  intformless_wf,  itermVar_wf,  itermConstant_wf,  intformle_wf,  intformand_wf,  satisfiable-full-omega-tt,  nat_properties,  list-subtype,  full-omega-unsat,  istype-int,  istype-less_than,  set_wf,  l_member_wf,  colength-cons-not-zero,  istype-void,  istype-le,  subtract-1-ge-0,  istype-nat,  false_wf,  uiff_transitivity,  bool_wf,  assert_wf,  eqtt_to_assert,  safe-assert-deq,  squash_wf,  true_wf,  member_wf,  subtype_rel-equal,  trivial-equal,  iff_weakening_equal,  subtype_rel_self,  iff_transitivity,  bnot_wf,  not_wf,  iff_weakening_uiff,  eqff_to_assert,  assert_of_bnot,  deq-member_wf,  cons_wf,  subtype_rel_list,  assert-deq-member,  cons_member
Rules used in proof :  sqequalSubstitution,  sqequalTransitivity,  computationStep,  sqequalReflexivity,  isect_memberFormation_alt,  introduction,  cut,  sqequalHypSubstitution,  productElimination,  thin,  sqequalRule,  extract_by_obid,  dependent_functionElimination,  Error :memTop,  hypothesis,  isectElimination,  hypothesisEquality,  applyEquality,  lambdaEquality_alt,  inhabitedIsType,  independent_isectElimination,  lambdaFormation_alt,  universeIsType,  isect_memberEquality_alt,  axiomEquality,  isectIsTypeImplies,  functionIsType,  instantiate,  universeEquality,  independent_functionElimination,  equalitySymmetry,  equalityTransitivity,  lambdaFormation,  voidEquality,  voidElimination,  isect_memberEquality,  imageElimination,  baseClosed,  addEquality,  dependent_set_memberEquality,  applyLambdaEquality,  hypothesis_subsumption,  promote_hyp,  unionElimination,  because_Cache,  cumulativity,  axiomSqEquality,  computeAll,  independent_pairFormation,  intEquality,  int_eqEquality,  lambdaEquality,  dependent_pairFormation,  natural_numberEquality,  intWeakElimination,  rename,  setElimination,  approximateComputation,  dependent_pairFormation_alt,  functionIsTypeImplies,  setEquality,  equalityIstype,  dependent_set_memberEquality_alt,  baseApply,  closedConclusion,  sqequalBase,  equalityElimination,  hyp_replacement,  imageMemberEquality,  productIsType

Latex:
\mforall{}[A:Type].  \mforall{}[eq:EqDecider(A)].  \mforall{}[B:A  {}\mrightarrow{}  Type].  \mforall{}[g:x:A  fp->  B[x]].  \mforall{}[x:A].
    fpf-normalize(eq;g)(x)  =  g(x)  supposing  \muparrow{}x  \mmember{}  dom(g)



Date html generated: 2020_05_20-AM-09_03_30
Last ObjectModification: 2020_01_04-PM-11_11_10

Theory : finite!partial!functions


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