Nuprl Lemma : member-cubical-path-0-0

∀[Gamma:j⊢]. ∀[A:{Gamma ⊢ _}]. ∀[I:fset(ℕ)]. ∀[i:{i:ℕ| ¬i ∈ I} ]. ∀[rho:Gamma(I+i)]. ∀[u:Top]. ∀[x:A((i0)(rho))].
  (x ∈ cubical-path-0(Gamma;A;I;i;rho;0;u))


Proof




Definitions occuring in Statement :  cubical-path-0: cubical-path-0(Gamma;A;I;i;rho;phi;u),  cubical-type-at: A(a),  cubical-type: {X ⊢ _},  face_lattice: face_lattice(I),  cube-set-restriction: f(s),  I_cube: A(I),  cubical_set: CubicalSet,  nc-0: (i0),  add-name: I+i,  fset-member: a ∈ s,  fset: fset(T),  int-deq: IntDeq,  nat: ℕ,  uall: ∀[x:A]. B[x],  top: Top,  not: ¬A,  member: t ∈ T,  set: {x:A| B[x]} ,  lattice-0: 0
Definitions unfolded in proof :  uall: ∀[x:A]. B[x],  member: t ∈ T,  cubical-path-0: cubical-path-0(Gamma;A;I;i;rho;phi;u),  subtype_rel: A ⊆r B,  prop: ℙ,  nat: ℕ,  ge: i ≥ j ,  all: ∀x:A. B[x],  decidable: Dec(P),  or: P ∨ Q,  uimplies: b supposing a,  not: ¬A,  implies: P ⇒ Q,  satisfiable_int_formula: satisfiable_int_formula(fmla),  exists: ∃x:A. B[x],  false: False,  and: P ∧ Q,  so_lambda: λ2x.t[x],  so_apply: x[s],  cubical-term: {X ⊢ _:A},  name-morph-satisfies: (psi f) = 1,  cube-set-restriction: f(s),  pi2: snd(t),  face-presheaf: 𝔽,  fl-morph: <f>,  fl-lift: fl-lift(T;eq;L;eqL;f0;f1),  face-lattice-property,  free-dist-lattice-with-constraints-property,  lattice-extend-wc: lattice-extend-wc(L;eq;eqL;f;ac),  lattice-extend: lattice-extend(L;eq;eqL;f;ac),  lattice-fset-join: \/(s),  reduce: reduce(f;k;as),  list_ind: list_ind,  fset-image: f"(s),  f-union: f-union(domeq;rngeq;s;x.g[x]),  list_accum: list_accum,  lattice-0: 0,  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,  empty-fset: {},  nil: [],  it: ⋅,  bdd-distributive-lattice: BoundedDistributiveLattice,  bounded-lattice-hom: Hom(l1;l2),  lattice-hom: Hom(l1;l2),  squash: ↓T,  true: True,  guard: {T},  iff: P ⇐⇒ Q,  lattice-point: Point(l),  I_cube: A(I),  functor-ob: ob(F),  pi1: fst(t)
Lemmas referenced :  cubical-path-condition-0,  cubical-path-condition_wf,  lattice-0_wf,  face_lattice_wf,  istype-cubical-type-at,  cube-set-restriction_wf,  add-name_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,  nc-0_wf,  istype-top,  I_cube_wf,  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,  cubical-type_wf,  cubical_set_wf,  cubical-subset-I_cube-member,  nc-s_wf,  f-subset-add-name,  equal_wf,  lattice-point_wf,  subtype_rel_set,  bounded-lattice-structure_wf,  lattice-structure_wf,  lattice-axioms_wf,  bounded-lattice-structure-subtype,  bounded-lattice-axioms_wf,  lattice-meet_wf,  lattice-join_wf,  fl-morph_wf,  lattice-1_wf,  squash_wf,  true_wf,  istype-universe,  fl-morph-0,  subtype_rel_self,  iff_weakening_equal,  face-lattice-0-not-1,  cubical-subset_wf,  face-presheaf_wf2,  csm-ap-type-at,  names-hom_wf,  csm-ap-type_wf,  cubical_set_cumulativity-i-j,  csm-comp_wf,  formal-cube_wf1,  subset-iota_wf,  context-map_wf,  cubical-type-ap-morph_wf,  face-lattice-property,  free-dist-lattice-with-constraints-property
Rules used in proof :  sqequalSubstitution,  sqequalTransitivity,  computationStep,  sqequalReflexivity,  isect_memberFormation_alt,  dependent_set_memberEquality_alt,  hypothesisEquality,  cut,  introduction,  extract_by_obid,  sqequalHypSubstitution,  isectElimination,  thin,  Error :memTop,  hypothesis,  universeIsType,  instantiate,  because_Cache,  applyEquality,  sqequalRule,  setElimination,  rename,  dependent_functionElimination,  natural_numberEquality,  unionElimination,  independent_isectElimination,  approximateComputation,  independent_functionElimination,  dependent_pairFormation_alt,  lambdaEquality_alt,  int_eqEquality,  independent_pairFormation,  voidElimination,  setIsType,  functionIsType,  intEquality,  functionExtensionality,  productElimination,  inhabitedIsType,  equalityTransitivity,  equalitySymmetry,  hyp_replacement,  applyLambdaEquality,  productEquality,  cumulativity,  isectEquality,  imageElimination,  universeEquality,  imageMemberEquality,  baseClosed,  lambdaFormation_alt,  equalityIstype

Latex:
\mforall{}[Gamma:j\mvdash{}].  \mforall{}[A:\{Gamma  \mvdash{}  \_\}].  \mforall{}[I:fset(\mBbbN{})].  \mforall{}[i:\{i:\mBbbN{}|  \mneg{}i  \mmember{}  I\}  ].  \mforall{}[rho:Gamma(I+i)].  \mforall{}[u:Top].
\mforall{}[x:A((i0)(rho))].
    (x  \mmember{}  cubical-path-0(Gamma;A;I;i;rho;0;u))



Date html generated: 2020_05_20-PM-03_46_22
Last ObjectModification: 2020_04_09-AM-11_04_41

Theory : cubical!type!theory


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