Nuprl Lemma : test-induction

∀[T:test-Obj() ⟶ TYPE]
  ((∀x:Atom. T[test-prog-obj(test-aprog(x))])
  ⇒ (∀x:test-foo(). (T[test-foo-obj(x)] ⇒ T[test-prog-obj(test-iterate(x))]))
  ⇒ (∀x:test-prop(). (T[test-prop-obj(x)] ⇒ T[test-prog-obj(test-test(x))]))
  ⇒ (∀x:Atom. T[test-foo-obj(test-afoo(x))])
  ⇒ (∀x:test-foo(). (T[test-foo-obj(x)] ⇒ T[test-foo-obj(test-bar(x))]))
  ⇒ (∀x:test-prop(). ∀x1:test-prog().  (T[test-prop-obj(x)] ⇒ T[test-prog-obj(x1)] ⇒ T[test-foo-obj(test-xx(x;x1))]))
  ⇒ (∀x:Atom. T[test-prop-obj(test-aprop(x))])
  ⇒ T[test-prop-obj(test-false())]
  ⇒ (∀x,x1:test-prop().  (T[test-prop-obj(x)] ⇒ T[test-prop-obj(x1)] ⇒ T[test-prop-obj(test-implies(x;x1))]))
  ⇒ (∀x:test-prog(). ∀x1:test-prop().
        (T[test-prog-obj(x)] ⇒ T[test-prop-obj(x1)] ⇒ T[test-prop-obj(test-box(x;x1))]))
  ⇒ (∀x:test-foo(). ∀x1:test-prop().
        (T[test-foo-obj(x)] ⇒ T[test-prop-obj(x1)] ⇒ T[test-prop-obj(test-diamond(x;x1))]))
  ⇒ (∀x:test-Obj(). T[x]))


Proof




Definitions occuring in Statement :  test-diamond: test-diamond(x1;x),  test-box: test-box(x1;x),  test-implies: test-implies(x1;x),  test-false: test-false(),  test-aprop: test-aprop(x),  test-xx: test-xx(x1;x),  test-bar: test-bar(x),  test-afoo: test-afoo(x),  test-test: test-test(x),  test-iterate: test-iterate(x),  test-aprog: test-aprog(x),  test-prop-obj: test-prop-obj(x),  test-foo-obj: test-foo-obj(x),  test-prog-obj: test-prog-obj(x),  test-prop: test-prop(),  test-foo: test-foo(),  test-prog: test-prog(),  test-Obj: test-Obj(),  uall: ∀[x:A]. B[x],  so_apply: x[s],  all: ∀x:A. B[x],  implies: P ⇒ Q,  function: x:A ⟶ B[x],  atom: Atom
Definitions unfolded in proof :  uall: ∀[x:A]. B[x],  implies: P ⇒ Q,  all: ∀x:A. B[x],  mrecind: mrecind(L;x.P[x]),  mkinds: mKinds,  eager-map: eager-map(f;as),  list_ind: list_ind,  test-Spec: test-Spec(),  cons: [a / b],  pi1: fst(t),  nil: [],  it: ⋅,  member: t ∈ T,  decidable: Dec(P),  or: P ∨ Q,  uimplies: b supposing a,  sq_type: SQType(T),  guard: {T},  mrec-spec: mrec-spec(L;lbl;p),  apply-alist: apply-alist(eq;L;x),  ifthenelse: if b then t else f fi ,  atom-deq: AtomDeq,  eq_atom: x =a y,  btrue: tt,  pi2: snd(t),  top: Top,  eqof: eqof(d),  bool: 𝔹,  unit: Unit,  uiff: uiff(P;Q),  and: P ∧ Q,  prec-arg-types: prec-arg-types(lbl,p.a[lbl; p];i;lbl),  int_seg: {i..j-},  lelt: i ≤ j < k,  not: ¬A,  satisfiable_int_formula: satisfiable_int_formula(fmla),  exists: ∃x:A. B[x],  prop: ℙ,  false: False,  select: L[n],  test-aprog: test-aprog(x),  test-prog-obj: test-prog-obj(x),  le: A ≤ B,  bfalse: ff,  bnot: ¬bb,  assert: ↑b,  mrec: mrec(L;i),  nequal: a ≠ b ∈ T ,  select-tuple: x.n,  eq_int: (i =z j),  subtract: n - m,  test-foo-obj: test-foo-obj(x),  test-foo: test-foo(),  test-iterate: test-iterate(x),  so_apply: x[s],  test-prop-obj: test-prop-obj(x),  test-prop: test-prop(),  test-test: test-test(x),  less_than: a < b,  squash: ↓T,  less_than': less_than'(a;b),  test-afoo: test-afoo(x),  test-bar: test-bar(x),  test-prog: test-prog(),  test-xx: test-xx(x1;x),  test-aprop: test-aprop(x),  test-false: test-false(),  test-implies: test-implies(x1;x),  test-box: test-box(x1;x),  test-diamond: test-diamond(x1;x),  iff: P ⇐⇒ Q,  so_lambda: λ2x.t[x],  test-Obj: test-Obj()
Lemmas referenced :  decidable__atom_equal,  subtype_base_sq,  atom_subtype_base,  apply_alist_cons_lemma,  istype-void,  eq_atom_wf,  eqtt_to_assert,  assert_of_eq_atom,  length_of_cons_lemma,  length_of_nil_lemma,  atomdeq_reduce_lemma,  map_cons_lemma,  map_nil_lemma,  tupletype_cons_lemma,  null_nil_lemma,  tupletype_nil_lemma,  decidable__le,  full-omega-unsat,  intformnot_wf,  intformle_wf,  itermConstant_wf,  istype-int,  int_formula_prop_not_lemma,  int_formula_prop_le_lemma,  int_term_value_constant_lemma,  int_formula_prop_wf,  decidable__lt,  intformless_wf,  int_formula_prop_less_lemma,  istype-le,  istype-less_than,  int_seg_wf,  decidable__equal_int,  int_subtype_base,  int_seg_properties,  true_wf,  int_seg_subtype_special,  int_seg_cases,  intformand_wf,  itermVar_wf,  int_formula_prop_and_lemma,  int_term_value_var_lemma,  eqff_to_assert,  bool_cases_sqequal,  bool_wf,  bool_subtype_base,  assert-bnot,  neg_assert_of_eq_atom,  test-foo-obj_wf,  mrec_wf,  test-Spec_wf,  test-prop-obj_wf,  length_wf,  mrec-spec_wf,  null_cons_lemma,  test-prog-obj_wf,  unit_wf2,  cons_member,  cons_wf,  nil_wf,  member_singleton,  mkinds_wf,  mrec_ind_wf,  mobj_wf,  test-Obj_wf,  test-diamond_wf,  test-prog_wf,  test-box_wf,  test-implies_wf,  test-false_wf,  test-aprop_wf,  test-xx_wf,  test-bar_wf,  test-afoo_wf,  test-prop_wf,  test-test_wf,  test-foo_wf,  test-iterate_wf,  istype-atom,  test-aprog_wf
Rules used in proof :  sqequalSubstitution,  sqequalTransitivity,  computationStep,  sqequalReflexivity,  isect_memberFormation_alt,  lambdaFormation_alt,  cut,  thin,  sqequalHypSubstitution,  setElimination,  rename,  sqequalRule,  hypothesis,  introduction,  extract_by_obid,  dependent_functionElimination,  hypothesisEquality,  tokenEquality,  unionElimination,  instantiate,  isectElimination,  cumulativity,  atomEquality,  independent_isectElimination,  because_Cache,  independent_functionElimination,  equalityTransitivity,  equalitySymmetry,  isect_memberEquality_alt,  voidElimination,  inhabitedIsType,  equalityElimination,  productElimination,  dependent_set_memberEquality_alt,  natural_numberEquality,  independent_pairFormation,  approximateComputation,  dependent_pairFormation_alt,  lambdaEquality_alt,  universeIsType,  productIsType,  functionIsType,  intEquality,  hypothesis_subsumption,  int_eqEquality,  equalityIstype,  promote_hyp,  TYPEMemberIsType,  applyEquality,  imageElimination,  setIsType,  unionEquality,  universeEquality,  TYPEIsType

Latex:
\mforall{}[T:test-Obj()  {}\mrightarrow{}  TYPE]
    ((\mforall{}x:Atom.  T[test-prog-obj(test-aprog(x))])
    {}\mRightarrow{}  (\mforall{}x:test-foo().  (T[test-foo-obj(x)]  {}\mRightarrow{}  T[test-prog-obj(test-iterate(x))]))
    {}\mRightarrow{}  (\mforall{}x:test-prop().  (T[test-prop-obj(x)]  {}\mRightarrow{}  T[test-prog-obj(test-test(x))]))
    {}\mRightarrow{}  (\mforall{}x:Atom.  T[test-foo-obj(test-afoo(x))])
    {}\mRightarrow{}  (\mforall{}x:test-foo().  (T[test-foo-obj(x)]  {}\mRightarrow{}  T[test-foo-obj(test-bar(x))]))
    {}\mRightarrow{}  (\mforall{}x:test-prop().  \mforall{}x1:test-prog().
                (T[test-prop-obj(x)]  {}\mRightarrow{}  T[test-prog-obj(x1)]  {}\mRightarrow{}  T[test-foo-obj(test-xx(x;x1))]))
    {}\mRightarrow{}  (\mforall{}x:Atom.  T[test-prop-obj(test-aprop(x))])
    {}\mRightarrow{}  T[test-prop-obj(test-false())]
    {}\mRightarrow{}  (\mforall{}x,x1:test-prop().
                (T[test-prop-obj(x)]  {}\mRightarrow{}  T[test-prop-obj(x1)]  {}\mRightarrow{}  T[test-prop-obj(test-implies(x;x1))]))
    {}\mRightarrow{}  (\mforall{}x:test-prog().  \mforall{}x1:test-prop().
                (T[test-prog-obj(x)]  {}\mRightarrow{}  T[test-prop-obj(x1)]  {}\mRightarrow{}  T[test-prop-obj(test-box(x;x1))]))
    {}\mRightarrow{}  (\mforall{}x:test-foo().  \mforall{}x1:test-prop().
                (T[test-foo-obj(x)]  {}\mRightarrow{}  T[test-prop-obj(x1)]  {}\mRightarrow{}  T[test-prop-obj(test-diamond(x;x1))]))
    {}\mRightarrow{}  (\mforall{}x:test-Obj().  T[x]))



Date html generated: 2019_10_15-AM-10_51_24
Last ObjectModification: 2019_03_25-PM-01_46_34

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