Nuprl Lemma : comp-fun-to-comp-op_wf1

∀Gamma:j⊢. ∀A:{Gamma ⊢ _}.
  ∀[comp:composition-function{j:l,i:l}(Gamma;A)]
    (cfun-to-cop(Gamma;A;comp) ∈ I:fset(ℕ)
     ⟶ i:{i:ℕ| ¬i ∈ I} 
     ⟶ rho:Gamma(I+i)
     ⟶ phi:𝔽(I)
     ⟶ u:{I+i,s(phi) ⊢ _:(A)<rho> o iota}
     ⟶ cubical-path-0(Gamma;A;I;i;rho;phi;u)
     ⟶ cubical-path-1(Gamma;A;I;i;rho;phi;u))


Proof




Definitions occuring in Statement :  comp-fun-to-comp-op: cfun-to-cop(Gamma;A;comp),  composition-function: composition-function{j:l,i:l}(Gamma;A),  cubical-path-1: cubical-path-1(Gamma;A;I;i;rho;phi;u),  cubical-path-0: cubical-path-0(Gamma;A;I;i;rho;phi;u),  cubical-term: {X ⊢ _:A},  csm-ap-type: (AF)s,  cubical-type: {X ⊢ _},  subset-iota: iota,  cubical-subset: I,psi,  face-presheaf: 𝔽,  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-s: s,  add-name: I+i,  fset-member: a ∈ s,  fset: fset(T),  int-deq: IntDeq,  nat: ℕ,  uall: ∀[x:A]. B[x],  all: ∀x:A. B[x],  not: ¬A,  member: t ∈ T,  set: {x:A| B[x]} ,  function: x:A ⟶ B[x]
Definitions unfolded in proof :  all: ∀x:A. B[x],  uall: ∀[x:A]. B[x],  comp-fun-to-comp-op: cfun-to-cop(Gamma;A;comp),  member: t ∈ T,  subtype_rel: A ⊆r B,  uimplies: b supposing a,  nat: ℕ,  ge: i ≥ j ,  decidable: Dec(P),  or: P ∨ Q,  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]
Lemmas referenced :  constrained-cubical-term-to-cubical-path-1,  comp-fun-to-comp-op1_wf,  cubical-path-0_wf,  cubical-type-cumulativity2,  cubical-term_wf,  cubical-subset_wf,  add-name_wf,  cube-set-restriction_wf,  face-presheaf_wf2,  nc-s_wf,  f-subset-add-name,  csm-ap-type_wf,  cubical_set_cumulativity-i-j,  cubical-type-cumulativity,  csm-comp_wf,  formal-cube_wf1,  subset-iota_wf,  context-map_wf,  I_cube_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-function_wf,  cubical-type_wf,  cubical_set_wf
Rules used in proof :  sqequalSubstitution,  sqequalTransitivity,  computationStep,  sqequalReflexivity,  lambdaFormation_alt,  isect_memberFormation_alt,  lambdaEquality_alt,  cut,  introduction,  extract_by_obid,  sqequalHypSubstitution,  isectElimination,  thin,  hypothesisEquality,  dependent_functionElimination,  applyEquality,  hypothesis,  universeIsType,  instantiate,  because_Cache,  sqequalRule,  setElimination,  rename,  independent_isectElimination,  dependent_set_memberEquality_alt,  natural_numberEquality,  unionElimination,  approximateComputation,  independent_functionElimination,  dependent_pairFormation_alt,  int_eqEquality,  Error :memTop,  independent_pairFormation,  voidElimination,  setIsType,  functionIsType,  intEquality

Latex:
\mforall{}Gamma:j\mvdash{}.  \mforall{}A:\{Gamma  \mvdash{}  \_\}.
    \mforall{}[comp:composition-function\{j:l,i:l\}(Gamma;A)]
        (cfun-to-cop(Gamma;A;comp)  \mmember{}  I:fset(\mBbbN{})
          {}\mrightarrow{}  i:\{i:\mBbbN{}|  \mneg{}i  \mmember{}  I\} 
          {}\mrightarrow{}  rho:Gamma(I+i)
          {}\mrightarrow{}  phi:\mBbbF{}(I)
          {}\mrightarrow{}  u:\{I+i,s(phi)  \mvdash{}  \_:(A)<rho>  o  iota\}
          {}\mrightarrow{}  cubical-path-0(Gamma;A;I;i;rho;phi;u)
          {}\mrightarrow{}  cubical-path-1(Gamma;A;I;i;rho;phi;u))



Date html generated: 2020_05_20-PM-04_29_50
Last ObjectModification: 2020_04_11-AM-10_04_10

Theory : cubical!type!theory


Home Index