Nuprl Lemma : fill_from_comp_property1

∀[Gamma:j⊢]. ∀[A:{Gamma ⊢ _}]. ∀[comp:Gamma ⊢ CompOp(A)]. ∀[I:fset(ℕ)]. ∀[i:{i:ℕ| ¬i ∈ I} ]. ∀[rho:Gamma(I+i)].
∀[phi:𝔽(I)]. ∀[u:{I+i,s(phi) ⊢ _:(A)<rho> o iota}]. ∀[a0:cubical-path-0(Gamma;A;I;i;rho;phi;u)].
  ((fill_from_comp(Gamma;A;comp) I i rho phi u a0 rho (i0)) = a0 ∈ A((i0)(rho)))


Proof




Definitions occuring in Statement :  fill_from_comp: fill_from_comp(Gamma;A;comp),  composition-op: Gamma ⊢ CompOp(A),  cubical-path-0: cubical-path-0(Gamma;A;I;i;rho;phi;u),  cubical-term: {X ⊢ _:A},  csm-ap-type: (AF)s,  cubical-type-ap-morph: (u a f),  cubical-type-at: A(a),  cubical-type: {X ⊢ _},  subset-iota: iota,  cubical-subset: I,psi,  face-presheaf: 𝔽,  csm-comp: G o F,  context-map: <rho>,  formal-cube: formal-cube(I),  cube-set-restriction: f(s),  I_cube: A(I),  cubical_set: CubicalSet,  nc-0: (i0),  nc-s: s,  add-name: I+i,  fset-member: a ∈ s,  fset: fset(T),  int-deq: IntDeq,  nat: ℕ,  uall: ∀[x:A]. B[x],  not: ¬A,  set: {x:A| B[x]} ,  apply: f a,  equal: s = t ∈ T
Definitions unfolded in proof :  uall: ∀[x:A]. B[x],  member: t ∈ T,  all: ∀x:A. B[x],  implies: P ⇒ Q,  subtype_rel: A ⊆r B,  uimplies: b supposing a,  nat: ℕ,  ge: i ≥ j ,  decidable: Dec(P),  or: P ∨ Q,  not: ¬A,  satisfiable_int_formula: satisfiable_int_formula(fmla),  exists: ∃x:A. B[x],  false: False,  and: P ∧ Q,  prop: ℙ,  so_lambda: λ2x.t[x],  so_apply: x[s],  let: let,  cubical-path-1: cubical-path-1(Gamma;A;I;i;rho;phi;u),  cubical-path-condition': cubical-path-condition'(Gamma;A;I;i;rho;phi;u;a1),  fillterm: fillterm(Gamma;A;I;i;j;rho;a0;u),  cubical-term-at: u(a),  names: names(I),  iff: P ⇐⇒ Q,  rev_implies: P ⇐ Q,  guard: {T},  lattice-point: Point(l),  record-select: r.x,  face_lattice: face_lattice(I),  face-lattice: face-lattice(T;eq),  free-dist-lattice-with-constraints: free-dist-lattice-with-constraints(T;eq;x.Cs[x]),  constrained-antichain-lattice: constrained-antichain-lattice(T;eq;P),  mk-bounded-distributive-lattice: mk-bounded-distributive-lattice,  mk-bounded-lattice: mk-bounded-lattice(T;m;j;z;o),  record-update: r[x := v],  ifthenelse: if b then t else f fi ,  eq_atom: x =a y,  bfalse: ff,  btrue: tt,  I_cube: A(I),  functor-ob: ob(F),  pi1: fst(t),  face-presheaf: 𝔽,  sq_type: SQType(T),  squash: ↓T,  true: True,  nh-comp: g ⋅ f,  dma-lift-compose: dma-lift-compose(I;J;eqi;eqj;f;g),  compose: f o g,  dM: dM(I),  dM-lift: dM-lift(I;J;f),  nc-1: (i1),  bool: 𝔹,  unit: Unit,  it: ⋅,  uiff: uiff(P;Q),  bnot: ¬bb,  assert: ↑b,  nc-0: (i0),  isdM0: isdM0(x),  null: null(as),  empty-fset: {},  nil: [],  nequal: a ≠ b ∈ T ,  cubical-path-0: cubical-path-0(Gamma;A;I;i;rho;phi;u),  cand: A c∧ B,  nc-s: s,  dM_inc: <x>,  dminc: <i>,  free-dl-inc: free-dl-inc(x),  fset-singleton: {x},  cons: [a / b]
Lemmas referenced :  fill_from_comp_wf1,  cubical-path-0_wf,  cubical_set_cumulativity-i-j,  cubical-type-cumulativity2,  istype-cubical-term,  cubical-subset_wf,  add-name_wf,  cube-set-restriction_wf,  face-presheaf_wf2,  nc-s_wf,  f-subset-add-name,  csm-ap-type_wf,  csm-comp_wf,  formal-cube_wf1,  subset-iota_wf,  context-map_wf,  I_cube_wf,  nat_properties,  decidable__le,  full-omega-unsat,  intformand_wf,  intformnot_wf,  intformle_wf,  itermConstant_wf,  itermVar_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_var_lemma,  int_formula_prop_wf,  istype-le,  istype-nat,  fset-member_wf,  nat_wf,  int-deq_wf,  strong-subtype-deq-subtype,  strong-subtype-set3,  le_wf,  strong-subtype-self,  istype-void,  fset_wf,  composition-op_wf,  cubical-type_wf,  cubical_set_wf,  cubical-subset-I_cube,  nc-0_wf,  name-morph-satisfies_wf,  fl-join_wf,  name-morph-satisfies-join,  fl0_wf,  trivial-member-add-name1,  name-morph-satisfies-0,  subtype_rel_self,  new-name_wf,  subtype_base_sq,  not_wf,  set_subtype_base,  int_subtype_base,  nc-1_wf,  nc-m_wf,  equal_wf,  squash_wf,  true_wf,  istype-universe,  cubical-type-at_wf,  cube-set-restriction-comp,  iff_weakening_equal,  nh-comp_wf,  names-hom_wf,  nh-comp-assoc,  nc-m-nc-1,  nh-id-right,  cubical-type-ap-morph_wf,  istype-cubical-type-at,  cube-set-restriction-when-id,  subtype_rel-equal,  bool_wf,  bool_subtype_base,  eq_int_wf,  eqtt_to_assert,  assert_of_eq_int,  eqff_to_assert,  bool_cases_sqequal,  assert-bnot,  neg_assert_of_eq_int,  fset-member-add-name,  dM-lift-inc,  equal-wf-T-base,  isdM0_wf,  btrue_wf,  intformeq_wf,  int_formula_prop_eq_lemma,  f-subset-add-name1,  nh-comp-is-id,  dM_inc_wf,  names-subtype,  names_wf,  nh-comp-sq,  dM-lift-nc-0,  nh-id_wf,  nh-id-left,  cube-set-restriction-id,  cubical-type-ap-morph-id
Rules used in proof :  cut,  introduction,  extract_by_obid,  sqequalSubstitution,  sqequalTransitivity,  computationStep,  sqequalReflexivity,  isect_memberFormation_alt,  hypothesis,  sqequalHypSubstitution,  isectElimination,  thin,  hypothesisEquality,  applyEquality,  inhabitedIsType,  lambdaFormation_alt,  equalityIstype,  equalityTransitivity,  equalitySymmetry,  dependent_functionElimination,  independent_functionElimination,  universeIsType,  instantiate,  sqequalRule,  isect_memberEquality_alt,  axiomEquality,  isectIsTypeImplies,  setElimination,  rename,  because_Cache,  independent_isectElimination,  dependent_set_memberEquality_alt,  natural_numberEquality,  unionElimination,  approximateComputation,  dependent_pairFormation_alt,  lambdaEquality_alt,  int_eqEquality,  Error :memTop,  independent_pairFormation,  voidElimination,  setIsType,  functionIsType,  intEquality,  productElimination,  inrFormation_alt,  promote_hyp,  cumulativity,  setEquality,  hyp_replacement,  imageElimination,  universeEquality,  imageMemberEquality,  baseClosed,  equalityElimination,  inlFormation_alt,  applyLambdaEquality,  sqequalBase,  productIsType

Latex:
\mforall{}[Gamma:j\mvdash{}].  \mforall{}[A:\{Gamma  \mvdash{}  \_\}].  \mforall{}[comp:Gamma  \mvdash{}  CompOp(A)].  \mforall{}[I:fset(\mBbbN{})].  \mforall{}[i:\{i:\mBbbN{}|  \mneg{}i  \mmember{}  I\}  ].
\mforall{}[rho:Gamma(I+i)].  \mforall{}[phi:\mBbbF{}(I)].  \mforall{}[u:\{I+i,s(phi)  \mvdash{}  \_:(A)<rho>  o  iota\}].
\mforall{}[a0:cubical-path-0(Gamma;A;I;i;rho;phi;u)].
    ((fill\_from\_comp(Gamma;A;comp)  I  i  rho  phi  u  a0  rho  (i0))  =  a0)



Date html generated: 2020_05_20-PM-03_54_44
Last ObjectModification: 2020_04_19-PM-08_11_40

Theory : cubical!type!theory


Home Index