Nuprl Lemma : composition-op-1

∀[Gamma:j⊢]. ∀[A:{Gamma ⊢ _}]. ∀[cA:Gamma ⊢ CompOp(A)]. ∀[I:fset(ℕ)]. ∀[i:{i:ℕ| ¬i ∈ I} ]. ∀[rho:Gamma(I+i)].
∀[u:{I+i,s(1) ⊢ _:(A)<rho> o iota}]. ∀[a:cubical-path-0(Gamma;A;I;i;rho;1;u)]. ∀[J:fset(ℕ)]. ∀[f:J ⟶ I].
  ((cA I i rho 1 u a (i1)(rho) f) = u((i1) ⋅ f) ∈ A(f((i1)(rho))))


Proof




Definitions occuring in Statement :  composition-op: Gamma ⊢ CompOp(A),  cubical-path-0: cubical-path-0(Gamma;A;I;i;rho;phi;u),  cubical-term-at: u(a),  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,  face_lattice: face_lattice(I),  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-1: (i1),  nc-s: s,  add-name: I+i,  nh-comp: g ⋅ f,  names-hom: I ⟶ J,  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,  lattice-1: 1
Definitions unfolded in proof :  uall: ∀[x:A]. B[x],  member: t ∈ T,  composition-op: Gamma ⊢ CompOp(A),  subtype_rel: A ⊆r B,  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,  all: ∀x:A. B[x],  implies: P ⇒ Q,  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),  bdd-distributive-lattice: BoundedDistributiveLattice,  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]
Lemmas referenced :  lattice-1_wf,  face_lattice_wf,  subtype_rel_self,  I_cube_wf,  face-presheaf_wf2,  names-hom_wf,  cubical-path-0_wf,  cubical_set_cumulativity-i-j,  cubical-type-cumulativity2,  cubical-term_wf,  cubical-subset_wf,  add-name_wf,  cube-set-restriction_wf,  nc-s_wf,  f-subset-add-name,  csm-ap-type_wf,  cubical-type-cumulativity,  csm-comp_wf,  formal-cube_wf1,  subset-iota_wf,  context-map_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,  name-morph-1-satisfies,  name-morph-satisfies_wf
Rules used in proof :  sqequalSubstitution,  sqequalTransitivity,  computationStep,  sqequalReflexivity,  isect_memberFormation_alt,  introduction,  cut,  applyEquality,  sqequalHypSubstitution,  setElimination,  thin,  rename,  hypothesisEquality,  hypothesis,  extract_by_obid,  isectElimination,  because_Cache,  sqequalRule,  instantiate,  inhabitedIsType,  lambdaFormation_alt,  dependent_functionElimination,  equalityIstype,  equalityTransitivity,  equalitySymmetry,  independent_functionElimination,  universeIsType,  isect_memberEquality_alt,  axiomEquality,  isectIsTypeImplies,  lambdaEquality_alt,  independent_isectElimination,  dependent_set_memberEquality_alt,  natural_numberEquality,  unionElimination,  approximateComputation,  dependent_pairFormation_alt,  int_eqEquality,  Error :memTop,  independent_pairFormation,  voidElimination,  setIsType,  functionIsType,  intEquality

Latex:
\mforall{}[Gamma:j\mvdash{}].  \mforall{}[A:\{Gamma  \mvdash{}  \_\}].  \mforall{}[cA:Gamma  \mvdash{}  CompOp(A)].  \mforall{}[I:fset(\mBbbN{})].  \mforall{}[i:\{i:\mBbbN{}|  \mneg{}i  \mmember{}  I\}  ].
\mforall{}[rho:Gamma(I+i)].  \mforall{}[u:\{I+i,s(1)  \mvdash{}  \_:(A)<rho>  o  iota\}].  \mforall{}[a:cubical-path-0(Gamma;A;I;i;rho;1;u)].
\mforall{}[J:fset(\mBbbN{})].  \mforall{}[f:J  {}\mrightarrow{}  I].
    ((cA  I  i  rho  1  u  a  (i1)(rho)  f)  =  u((i1)  \mcdot{}  f))



Date html generated: 2020_05_20-PM-03_52_19
Last ObjectModification: 2020_04_09-PM-01_32_52

Theory : cubical!type!theory


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