Nuprl Lemma : csm-composition_wf

∀[Gamma,Delta:j⊢]. ∀[sigma:Delta j⟶ Gamma]. ∀[A:{Gamma ⊢ _}]. ∀[comp:Gamma ⊢ CompOp(A)].
  ((comp)sigma ∈ Delta ⊢ CompOp((A)sigma))


Proof




Definitions occuring in Statement :  csm-composition: (comp)sigma,  composition-op: Gamma ⊢ CompOp(A),  csm-ap-type: (AF)s,  cubical-type: {X ⊢ _},  cube_set_map: A ⟶ B,  cubical_set: CubicalSet,  uall: ∀[x:A]. B[x],  member: t ∈ T
Definitions unfolded in proof :  uall: ∀[x:A]. B[x],  member: t ∈ T,  csm-composition: (comp)sigma,  composition-op: Gamma ⊢ CompOp(A),  subtype_rel: A ⊆r B,  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,  prop: ℙ,  so_lambda: λ2x.t[x],  so_apply: x[s],  squash: ↓T,  true: True,  guard: {T},  iff: P ⇐⇒ Q,  rev_implies: P ⇐ Q,  cube_set_map: A ⟶ B,  psc_map: A ⟶ B,  nat-trans: nat-trans(C;D;F;G),  cat-ob: cat-ob(C),  pi1: fst(t),  op-cat: op-cat(C),  spreadn: spread4,  cube-cat: CubeCat,  fset: fset(T),  quotient: x,y:A//B[x; y],  cat-arrow: cat-arrow(C),  pi2: snd(t),  type-cat: TypeCat,  names-hom: I ⟶ J,  cat-comp: cat-comp(C),  compose: f o g,  composition-uniformity: composition-uniformity(Gamma;A;comp),  cubical-path-0: cubical-path-0(Gamma;A;I;i;rho;phi;u),  cubical-path-condition: cubical-path-condition(Gamma;A;I;i;rho;phi;u;a0),  csm-ap: (s)x,  context-map: <rho>,  subset-iota: iota,  csm-comp: G o F,  functor-arrow: arrow(F),  cube-set-restriction: f(s),  cubical-path-1: cubical-path-1(Gamma;A;I;i;rho;phi;u),  sq_stable: SqStable(P)
Lemmas referenced :  composition-op_wf,  cubical_set_cumulativity-i-j,  cubical-type-cumulativity2,  cubical-type_wf,  cube_set_map_wf,  cubical_set_wf,  csm-ap_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,  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,  face-presheaf_wf2,  cubical-term_wf,  cubical-subset_wf,  cube-set-restriction_wf,  nc-s_wf,  f-subset-add-name,  csm-ap-type_wf,  csm-comp_wf,  formal-cube_wf1,  subset-iota_wf,  context-map_wf,  cubical-path-0_wf,  cubical-path-1_wf,  subtype_rel_dep_function,  squash_wf,  true_wf,  equal_wf,  istype-universe,  csm-ap-comp-type,  subtype_rel_self,  iff_weakening_equal,  csm-comp-context-map,  cubical-type-cumulativity,  csm-cubical-path-0-subtype,  csm-cubical-path-1-subtype,  composition-uniformity_wf,  cubical-term-eqcd,  istype-cubical-term,  names-hom_wf,  subtype_rel-equal,  cubical-type-at_wf,  nc-0_wf,  csm-ap-type-at,  csm-ap-restriction,  cubical-path-condition_wf,  subtype_rel_wf,  cubical-subset-I_cube-member,  nh-comp_wf,  cube-set-restriction-comp,  cubical-type-ap-morph_wf,  istype-cubical-type-at,  csm-cubical-type-ap-morph,  nc-1_wf,  cubical-subset-term-trans,  nc-e'_wf,  subset-cubical-term2,  sub_cubical_set_self,  nc-e'-lemma2,  cubical-path-0-ap-morph,  sq_stable__cubical-path-condition,  nc-e'-lemma1,  subtype_rel_weakening,  ext-eq_weakening
Rules used in proof :  sqequalSubstitution,  sqequalTransitivity,  computationStep,  sqequalReflexivity,  isect_memberFormation_alt,  introduction,  cut,  sqequalRule,  sqequalHypSubstitution,  setElimination,  thin,  rename,  hypothesis,  axiomEquality,  equalityTransitivity,  equalitySymmetry,  universeIsType,  instantiate,  extract_by_obid,  isectElimination,  hypothesisEquality,  applyEquality,  isect_memberEquality_alt,  isectIsTypeImplies,  inhabitedIsType,  lambdaEquality_alt,  dependent_set_memberEquality_alt,  because_Cache,  dependent_functionElimination,  natural_numberEquality,  unionElimination,  independent_isectElimination,  approximateComputation,  independent_functionElimination,  dependent_pairFormation_alt,  int_eqEquality,  Error :memTop,  independent_pairFormation,  voidElimination,  setIsType,  functionIsType,  intEquality,  cumulativity,  functionEquality,  universeEquality,  lambdaFormation_alt,  imageElimination,  imageMemberEquality,  baseClosed,  productElimination,  functionExtensionality,  hyp_replacement,  equalityIstype,  promote_hyp

Latex:
\mforall{}[Gamma,Delta:j\mvdash{}].  \mforall{}[sigma:Delta  j{}\mrightarrow{}  Gamma].  \mforall{}[A:\{Gamma  \mvdash{}  \_\}].  \mforall{}[comp:Gamma  \mvdash{}  CompOp(A)].
    ((comp)sigma  \mmember{}  Delta  \mvdash{}  CompOp((A)sigma))



Date html generated: 2020_05_20-PM-03_51_11
Last ObjectModification: 2020_04_20-PM-05_12_18

Theory : cubical!type!theory


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