Nuprl Lemma : s-comp-nc-p

∀[I:fset(ℕ)]. ∀[i:ℕ]. ∀[z:Point(dM(I))].  s ⋅ (i/z) = 1 ∈ I ⟶ I supposing ¬i ∈ I


Proof




Definitions occuring in Statement :  nc-p: (i/z),  nc-s: s,  add-name: I+i,  nh-comp: g ⋅ f,  nh-id: 1,  names-hom: I ⟶ J,  dM: dM(I),  lattice-point: Point(l),  fset-member: a ∈ s,  fset: fset(T),  int-deq: IntDeq,  nat: ℕ,  uimplies: b supposing a,  uall: ∀[x:A]. B[x],  not: ¬A,  equal: s = t ∈ T
Definitions unfolded in proof :  uall: ∀[x:A]. B[x],  member: t ∈ T,  uimplies: b supposing a,  nh-id: 1,  nc-s: s,  nc-p: (i/z),  nh-comp: g ⋅ f,  names-hom: I ⟶ J,  dma-lift-compose: dma-lift-compose(I;J;eqi;eqj;f;g),  compose: f o g,  dM: dM(I),  dM-lift: dM-lift(I;J;f),  squash: ↓T,  subtype_rel: A ⊆r B,  all: ∀x:A. B[x],  true: True,  prop: ℙ,  guard: {T},  iff: P ⇐⇒ Q,  and: P ∧ Q,  rev_implies: P ⇐ Q,  implies: P ⇒ Q,  nat: ℕ,  so_lambda: λ2x.t[x],  so_apply: x[s],  DeMorgan-algebra: DeMorganAlgebra,  names: names(I),  bool: 𝔹,  unit: Unit,  it: ⋅,  btrue: tt,  ifthenelse: if b then t else f fi ,  bfalse: ff,  uiff: uiff(P;Q),  exists: ∃x:A. B[x],  or: P ∨ Q,  sq_type: SQType(T),  bnot: ¬bb,  assert: ↑b,  false: False,  not: ¬A,  sq_stable: SqStable(P)
Lemmas referenced :  equal_wf,  dM-lift-inc,  add-name_wf,  names-subtype,  f-subset-add-name,  dM_inc_wf,  iff_weakening_equal,  names_wf,  not_wf,  fset-member_wf,  nat_wf,  int-deq_wf,  strong-subtype-deq-subtype,  strong-subtype-set3,  le_wf,  strong-subtype-self,  lattice-point_wf,  dM_wf,  subtype_rel_set,  DeMorgan-algebra-structure_wf,  lattice-structure_wf,  lattice-axioms_wf,  bounded-lattice-structure-subtype,  DeMorgan-algebra-structure-subtype,  subtype_rel_transitivity,  bounded-lattice-structure_wf,  bounded-lattice-axioms_wf,  uall_wf,  lattice-meet_wf,  lattice-join_wf,  DeMorgan-algebra-axioms_wf,  eq_int_wf,  bool_wf,  eqff_to_assert,  bool_cases_sqequal,  subtype_base_sq,  bool_subtype_base,  assert-bnot,  neg_assert_of_eq_int,  not-added-name,  eqtt_to_assert,  assert_of_eq_int,  int_subtype_base,  sq_stable__fset-member
Rules used in proof :  sqequalSubstitution,  sqequalTransitivity,  computationStep,  sqequalReflexivity,  isect_memberFormation,  introduction,  cut,  functionExtensionality,  sqequalRule,  applyEquality,  thin,  lambdaEquality,  sqequalHypSubstitution,  imageElimination,  extract_by_obid,  isectElimination,  because_Cache,  hypothesis,  hypothesisEquality,  equalityTransitivity,  equalitySymmetry,  independent_isectElimination,  dependent_functionElimination,  natural_numberEquality,  imageMemberEquality,  baseClosed,  universeEquality,  productElimination,  independent_functionElimination,  intEquality,  isect_memberEquality,  axiomEquality,  instantiate,  productEquality,  cumulativity,  setElimination,  rename,  lambdaFormation,  unionElimination,  equalityElimination,  dependent_pairFormation,  promote_hyp,  voidElimination

Latex:
\mforall{}[I:fset(\mBbbN{})].  \mforall{}[i:\mBbbN{}].  \mforall{}[z:Point(dM(I))].    s  \mcdot{}  (i/z)  =  1  supposing  \mneg{}i  \mmember{}  I



Date html generated: 2017_10_05-AM-01_02_12
Last ObjectModification: 2017_07_28-AM-09_26_09

Theory : cubical!type!theory


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