Nuprl Lemma : free-1-normal-form

∀[S:Type]
  ∀s:S. ∀x:Point(free-vs(ℤ-rng;S)).  ∃k:ℤ. (x = {<k, s>} ∈ Point(free-vs(ℤ-rng;S))) supposing ∀x,y:S.  (x = y ∈ S)


Proof




Definitions occuring in Statement :  free-vs: free-vs(K;S),  vs-point: Point(vs),  uimplies: b supposing a,  uall: ∀[x:A]. B[x],  all: ∀x:A. B[x],  exists: ∃x:A. B[x],  pair: <a, b>,  int: ℤ,  universe: Type,  equal: s = t ∈ T,  int_ring: ℤ-rng,  single-bag: {x}
Definitions unfolded in proof :  uall: ∀[x:A]. B[x],  uimplies: b supposing a,  member: t ∈ T,  all: ∀x:A. B[x],  subtype_rel: A ⊆r B,  integ_dom: IntegDom{i},  crng: CRng,  rng: Rng,  vs-iso: A ≅ B,  exists: ∃x:A. B[x],  so_lambda: λ2x.t[x],  and: P ∧ Q,  vs-map: A ⟶ B,  prop: ℙ,  so_apply: x[s],  top: Top,  pi2: snd(t),  pi1: fst(t),  free-iso-int: free-iso-int(s),  implies: P ⇒ Q,  vs-point: Point(vs),  record-select: r.x,  int-vs: ℤ,  mk-vs: mk-vs,  record-update: r[x := v],  ifthenelse: if b then t else f fi ,  eq_atom: x =a y,  bfalse: ff,  btrue: tt,  bag: bag(T),  quotient: x,y:A//B[x; y],  basic-formal-sum: basic-formal-sum(K;S),  rng_car: |r|,  int_ring: ℤ-rng,  free-vs: free-vs(K;S),  formal-sum: formal-sum(K;S),  so_lambda: λ2x y.t[x; y],  so_apply: x[s1;s2]
Lemmas referenced :  free-iso-int_wf,  vs-point_wf,  int_ring_wf,  free-vs_wf,  istype-universe,  pi2_wf,  vs-map_wf,  int-vs_wf,  equal_wf,  pi1_wf_top,  istype-void,  subtype_rel_self,  single-bag_wf,  basic-formal-sum_wf,  rec_select_update_lemma,  formal-sum_wf,  subtype_quotient,  bfs-equiv_wf,  bfs-equiv-rel
Rules used in proof :  sqequalSubstitution,  sqequalTransitivity,  computationStep,  sqequalReflexivity,  isect_memberFormation_alt,  cut,  introduction,  sqequalRule,  sqequalHypSubstitution,  lambdaEquality_alt,  dependent_functionElimination,  thin,  hypothesisEquality,  axiomEquality,  hypothesis,  functionIsTypeImplies,  inhabitedIsType,  rename,  lambdaFormation_alt,  extract_by_obid,  isectElimination,  independent_isectElimination,  universeIsType,  applyEquality,  setElimination,  equalityTransitivity,  equalitySymmetry,  because_Cache,  functionIsType,  equalityIstype,  instantiate,  universeEquality,  applyLambdaEquality,  productEquality,  functionEquality,  productElimination,  independent_pairEquality,  isect_memberEquality_alt,  voidElimination,  dependent_pairFormation_alt,  intEquality,  independent_functionElimination

Latex:
\mforall{}[S:Type].  \mforall{}s:S.  \mforall{}x:Point(free-vs(\mBbbZ{}-rng;S)).    \mexists{}k:\mBbbZ{}.  (x  =  \{<k,  s>\})  supposing  \mforall{}x,y:S.    (x  =  y)



Date html generated: 2019_10_31-AM-06_31_14
Last ObjectModification: 2019_08_15-AM-11_15_58

Theory : linear!algebra


Home Index