Nuprl Lemma : glue-term_wf

∀[Gamma:j⊢]. ∀[A:{Gamma ⊢ _}]. ∀[phi:{Gamma ⊢ _:𝔽}]. ∀[T:{Gamma, phi ⊢ _}]. ∀[w:{Gamma, phi ⊢ _:(T ⟶ A)}].
∀[t:{Gamma, phi ⊢ _:T}]. ∀[a:{Gamma ⊢ _:A[phi |⟶ app(w; t)]}].
  (glue [phi ⊢→ t] a ∈ {Gamma ⊢ _:Glue [phi ⊢→ (T;w)] A})


Proof




Definitions occuring in Statement :  glue-term: glue [phi ⊢→ t] a,  glue-type: Glue [phi ⊢→ (T;w)] A,  constrained-cubical-term: {Gamma ⊢ _:A[phi |⟶ t]},  context-subset: Gamma, phi,  face-type: 𝔽,  cubical-app: app(w; u),  cubical-fun: (A ⟶ B),  cubical-term: {X ⊢ _:A},  cubical-type: {X ⊢ _},  cubical_set: CubicalSet,  uall: ∀[x:A]. B[x],  member: t ∈ T
Definitions unfolded in proof :  uall: ∀[x:A]. B[x],  member: t ∈ T,  constrained-cubical-term: {Gamma ⊢ _:A[phi |⟶ t]},  subtype_rel: A ⊆r B,  glue-term: glue [phi ⊢→ t] a,  glue-type: Glue [phi ⊢→ (T;w)] A,  all: ∀x:A. B[x],  glue-cube: glue-cube(Gamma;A;phi;T;w;I;rho),  cubical-type-at: A(a),  pi1: fst(t),  face-type: 𝔽,  constant-cubical-type: (X),  I_cube: A(I),  functor-ob: ob(F),  face-presheaf: 𝔽,  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,  implies: P ⇒ Q,  bool: 𝔹,  unit: Unit,  it: ⋅,  uiff: uiff(P;Q),  and: P ∧ Q,  uimplies: b supposing a,  bdd-distributive-lattice: BoundedDistributiveLattice,  so_lambda: λ2x.t[x],  prop: ℙ,  so_apply: x[s],  exists: ∃x:A. B[x],  or: P ∨ Q,  sq_type: SQType(T),  guard: {T},  bnot: ¬bb,  assert: ↑b,  false: False,  not: ¬A,  rev_implies: P ⇐ Q,  iff: P ⇐⇒ Q,  context-subset: Gamma, phi,  glue-equations: glue-equations(Gamma;A;phi;T;w;I;rho;t;a),  squash: ↓T,  true: True,  csm-ap: (s)x,  subset-iota: iota,  cube-set-restriction: f(s),  pi2: snd(t),  cubical-app: app(w; u),  cubical-term-at: u(a),  cubical-term: {X ⊢ _:A},  glue-morph: glue-morph(Gamma;A;phi;T;w;I;rho;J;f;u)
Lemmas referenced :  constrained-cubical-term_wf,  cubical-type-cumulativity2,  cubical_set_cumulativity-i-j,  cubical-app_wf_fun,  context-subset_wf,  thin-context-subset,  istype-cubical-term,  cubical-fun_wf,  cubical-type_wf,  face-type_wf,  cubical_set_wf,  I_cube_wf,  fset_wf,  nat_wf,  cubical_type_at_pair_lemma,  fl-eq_wf,  cubical-term-at_wf,  subtype_rel_self,  lattice-point_wf,  face_lattice_wf,  lattice-1_wf,  eqtt_to_assert,  assert-fl-eq,  subtype_rel_set,  bounded-lattice-structure_wf,  lattice-structure_wf,  lattice-axioms_wf,  bounded-lattice-structure-subtype,  bounded-lattice-axioms_wf,  equal_wf,  lattice-meet_wf,  lattice-join_wf,  eqff_to_assert,  bool_cases_sqequal,  subtype_base_sq,  bool_wf,  bool_subtype_base,  assert-bnot,  iff_weakening_uiff,  assert_wf,  I_cube_pair_redex_lemma,  names-hom_wf,  cube-set-restriction_wf,  cube_set_restriction_pair_lemma,  cubical-type-at_wf,  squash_wf,  true_wf,  face-term-at-restriction-eq-1,  iff_weakening_equal,  cube-set-restriction-comp,  cubical-term-at-morph,  istype-universe,  cubical-term-at-comp-is-1,  csm-ap-type_wf,  subset-iota_wf2,  cubical-term-eqcd,  csm-ap-type-iota,  subset-cubical-type,  context-subset-is-subset,  csm-ap-type-at,  subtype_rel_wf,  context-subset-restriction,  glue-equations_wf,  cubical_type_ap_morph_pair_lemma,  equal-glue-cube,  glue-morph_wf,  istype-cubical-type-at,  glue-type_wf,  cubical-type-ap-morph_wf,  iff_imp_equal_bool,  btrue_wf,  iff_functionality_wrt_iff,  istype-true,  cubical-term-at-morph1
Rules used in proof :  sqequalSubstitution,  sqequalTransitivity,  computationStep,  sqequalReflexivity,  isect_memberFormation_alt,  cut,  sqequalHypSubstitution,  setElimination,  thin,  rename,  hypothesis,  universeIsType,  instantiate,  introduction,  extract_by_obid,  isectElimination,  hypothesisEquality,  applyEquality,  sqequalRule,  because_Cache,  functionExtensionality,  dependent_functionElimination,  Error :memTop,  inhabitedIsType,  lambdaFormation_alt,  unionElimination,  equalityElimination,  equalityTransitivity,  equalitySymmetry,  productElimination,  independent_isectElimination,  lambdaEquality_alt,  productEquality,  cumulativity,  isectEquality,  dependent_pairFormation_alt,  equalityIstype,  promote_hyp,  independent_functionElimination,  voidElimination,  dependent_set_memberEquality_alt,  independent_pairEquality,  setEquality,  independent_pairFormation,  setIsType,  hyp_replacement,  imageElimination,  natural_numberEquality,  imageMemberEquality,  baseClosed,  universeEquality,  applyLambdaEquality,  functionIsType

Latex:
\mforall{}[Gamma:j\mvdash{}].  \mforall{}[A:\{Gamma  \mvdash{}  \_\}].  \mforall{}[phi:\{Gamma  \mvdash{}  \_:\mBbbF{}\}].  \mforall{}[T:\{Gamma,  phi  \mvdash{}  \_\}].
\mforall{}[w:\{Gamma,  phi  \mvdash{}  \_:(T  {}\mrightarrow{}  A)\}].  \mforall{}[t:\{Gamma,  phi  \mvdash{}  \_:T\}].  \mforall{}[a:\{Gamma  \mvdash{}  \_:A[phi  |{}\mrightarrow{}  app(w;  t)]\}].
    (glue  [phi  \mvdash{}\mrightarrow{}  t]  a  \mmember{}  \{Gamma  \mvdash{}  \_:Glue  [phi  \mvdash{}\mrightarrow{}  (T;w)]  A\})



Date html generated: 2020_05_20-PM-05_43_20
Last ObjectModification: 2020_04_21-PM-07_02_40

Theory : cubical!type!theory


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