Nuprl Lemma : csm-subtype-cubical-subset

∀[Gamma:j⊢]. ∀[I:fset(ℕ)]. ∀[psi:𝔽(I)].  (formal-cube(I) j⟶ Gamma ⊆r I,psi j⟶ Gamma)


Proof




Definitions occuring in Statement :  cubical-subset: I,psi,  face-presheaf: 𝔽,  cube_set_map: A ⟶ B,  formal-cube: formal-cube(I),  I_cube: A(I),  cubical_set: CubicalSet,  fset: fset(T),  nat: ℕ,  subtype_rel: A ⊆r B,  uall: ∀[x:A]. B[x]
Definitions unfolded in proof :  uall: ∀[x:A]. B[x],  subtype_rel: A ⊆r B,  member: t ∈ T,  cube_set_map: A ⟶ B,  psc_map: A ⟶ B,  nat-trans: nat-trans(C;D;F;G),  formal-cube: formal-cube(I),  type-cat: TypeCat,  cube-cat: CubeCat,  all: ∀x:A. B[x],  cubical-subset: I,psi,  rep-sub-sheaf: rep-sub-sheaf(C;X;P),  compose: f o g,  functor-arrow: arrow(F),  functor-ob: ob(F),  op-cat: op-cat(C),  cat-arrow: cat-arrow(C),  cat-ob: cat-ob(C),  spreadn: spread4,  pi1: fst(t),  pi2: snd(t),  I_cube: A(I),  so_lambda: λ2x.t[x],  so_apply: x[s],  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,  bdd-distributive-lattice: BoundedDistributiveLattice,  prop: ℙ,  and: P ∧ Q,  uimplies: b supposing a,  istype: istype(T),  cubical_set: CubicalSet,  ps_context: __⊢,  cat-functor: Functor(C1;C2)
Lemmas referenced :  cat_arrow_triple_lemma,  ob_pair_lemma,  cat_comp_tuple_lemma,  arrow_pair_lemma,  subtype_rel_dep_function,  names-hom_wf,  I_cube_wf,  name-morph-satisfies_wf,  subtype_rel_self,  lattice-point_wf,  face_lattice_wf,  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,  fset_wf,  nat_wf,  cat-ob_wf,  op-cat_wf,  cube-cat_wf,  cat-arrow_wf,  type-cat_wf,  functor-ob_wf,  cubical-subset_wf,  cat-comp_wf,  small-category-cumulativity-2,  cat-functor_wf,  functor-arrow_wf,  cube_set_map_wf,  formal-cube_wf1,  face-presheaf_wf2,  cubical_set_wf
Rules used in proof :  sqequalSubstitution,  sqequalTransitivity,  computationStep,  sqequalReflexivity,  isect_memberFormation_alt,  lambdaEquality_alt,  sqequalHypSubstitution,  setElimination,  thin,  rename,  cut,  dependent_set_memberEquality_alt,  sqequalRule,  introduction,  extract_by_obid,  dependent_functionElimination,  Error :memTop,  hypothesis,  functionExtensionality,  applyEquality,  hypothesisEquality,  instantiate,  isectElimination,  cumulativity,  universeIsType,  setEquality,  productEquality,  isectEquality,  because_Cache,  independent_isectElimination,  setIsType,  lambdaFormation_alt,  functionIsType,  equalityIstype,  applyLambdaEquality

Latex:
\mforall{}[Gamma:j\mvdash{}].  \mforall{}[I:fset(\mBbbN{})].  \mforall{}[psi:\mBbbF{}(I)].    (formal-cube(I)  j{}\mrightarrow{}  Gamma  \msubseteq{}r  I,psi  j{}\mrightarrow{}  Gamma)



Date html generated: 2020_05_20-PM-04_20_08
Last ObjectModification: 2020_04_21-AM-00_50_09

Theory : cubical!type!theory


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