Nuprl Lemma : setTC_wf

∀[a:Set{i:l}]. (setTC(a) ∈ Set{i:l})


Proof




Definitions occuring in Statement :  setTC: setTC(a),  Set: Set{i:l},  uall: ∀[x:A]. B[x],  member: t ∈ T
Definitions unfolded in proof :  uall: ∀[x:A]. B[x],  member: t ∈ T,  all: ∀x:A. B[x],  Set: Set{i:l},  so_lambda: λ2x.t[x],  so_apply: x[s],  and: P ∧ Q,  subtype_rel: A ⊆r B,  prop: ℙ,  implies: P ⇒ Q,  pcw-pp-barred: Barred(pp),  int_seg: {i..j-},  nat: ℕ,  ge: i ≥ j ,  lelt: i ≤ j < k,  decidable: Dec(P),  or: P ∨ Q,  uimplies: b supposing a,  not: ¬A,  satisfiable_int_formula: satisfiable_int_formula(fmla),  exists: ∃x:A. B[x],  false: False,  cw-step: cw-step(A;a.B[a]),  pcw-step: pcw-step,  spreadn: spread3,  less_than: a < b,  less_than': less_than'(a;b),  true: True,  squash: ↓T,  isr: isr(x),  assert: ↑b,  ifthenelse: if b then t else f fi ,  bfalse: ff,  btrue: tt,  ext-eq: A ≡ B,  unit: Unit,  it: ⋅,  so_lambda: λ2x y.t[x; y],  so_apply: x[s1;s2],  so_lambda: so_lambda3,  so_apply: x[s1;s2;s3],  ext-family: F ≡ G,  pi1: fst(t),  nat_plus: ℕ+,  W-rel: W-rel(A;a.B[a];w),  param-W-rel: param-W-rel,  pcw-steprel: StepRel(s1;s2),  pi2: snd(t),  isl: isl(x),  pcw-step-agree: StepAgree(s;p1;w),  cand: A c∧ B,  guard: {T},  Wsup: Wsup(a;b),  sq_type: SQType(T),  le: A ≤ B,  sq_stable: SqStable(P),  mk-set: f"(T),  setTC: setTC(a),  iff: P ⇐⇒ Q,  rev_implies: P ⇐ Q
Lemmas referenced :  Set_wf,  W-elimination-facts,  istype-universe,  subtype_rel_self,  subtract_wf,  nat_properties,  decidable__le,  full-omega-unsat,  intformand_wf,  intformnot_wf,  intformle_wf,  itermConstant_wf,  itermSubtract_wf,  itermVar_wf,  intformless_wf,  istype-int,  int_formula_prop_and_lemma,  int_formula_prop_not_lemma,  int_formula_prop_le_lemma,  int_term_value_constant_lemma,  int_term_value_subtract_lemma,  int_term_value_var_lemma,  int_formula_prop_less_lemma,  int_formula_prop_wf,  decidable__lt,  istype-le,  istype-less_than,  istype-top,  istype-void,  istype-true,  add-subtract-cancel,  itermAdd_wf,  int_term_value_add_lemma,  W-ext,  param-co-W-ext,  unit_wf2,  it_wf,  param-co-W_wf,  top_wf,  pcw-steprel_wf,  true_wf,  false_wf,  subtype_rel_dep_function,  less_than_wf,  subtype_base_sq,  nat_wf,  set_subtype_base,  le_wf,  int_subtype_base,  decidable__equal_int,  intformeq_wf,  int_formula_prop_eq_lemma,  subtype_rel_function,  int_seg_wf,  int_seg_subtype,  istype-false,  sq_stable__le,  setmem_wf,  set-subtype-coSet,  mk-set_wf,  setmem-mk-set-sq,  set-add_wf2,  setunionfun_wf2,  setmem_functionality,  seteq_weakening,  seteq_inversion,  plus-set_wf2,  plus-set_wf,  setmem-plus-set
Rules used in proof :  sqequalSubstitution,  sqequalTransitivity,  computationStep,  sqequalReflexivity,  isect_memberFormation_alt,  cut,  sqequalHypSubstitution,  hypothesis,  universeIsType,  introduction,  extract_by_obid,  thin,  lambdaFormation_alt,  hypothesisEquality,  instantiate,  dependent_functionElimination,  universeEquality,  sqequalRule,  lambdaEquality_alt,  cumulativity,  isectElimination,  productElimination,  strong_bar_Induction,  equalityTransitivity,  equalitySymmetry,  applyEquality,  independent_functionElimination,  dependent_set_memberEquality_alt,  setElimination,  rename,  natural_numberEquality,  independent_pairFormation,  unionElimination,  independent_isectElimination,  approximateComputation,  dependent_pairFormation_alt,  int_eqEquality,  Error :memTop,  voidElimination,  productIsType,  because_Cache,  inhabitedIsType,  lessCases,  axiomSqEquality,  isect_memberEquality_alt,  isectIsTypeImplies,  imageMemberEquality,  baseClosed,  imageElimination,  closedConclusion,  axiomEquality,  equalityIstype,  addEquality,  int_eqReduceTrueSq,  promote_hyp,  hypothesis_subsumption,  equalityElimination,  dependent_pairEquality_alt,  inlEquality_alt,  unionIsType,  productEquality,  unionEquality,  hyp_replacement,  applyLambdaEquality,  intEquality,  setIsType,  inrFormation,  dependent_set_memberEquality

Latex:
\mforall{}[a:Set\{i:l\}].  (setTC(a)  \mmember{}  Set\{i:l\})



Date html generated: 2020_05_20-PM-01_18_42
Last ObjectModification: 2020_01_06-PM-01_24_39

Theory : constructive!set!theory


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