Nuprl Lemma : destructor_wf

∀[F:Type ⟶ Type]. (destructor{i:l}(T.F[T]) ∈ 𝕌')


Proof




Definitions occuring in Statement :  destructor: destructor{i:l}(T.F[T]),  uall: ∀[x:A]. B[x],  so_apply: x[s],  member: t ∈ T,  function: x:A ⟶ B[x],  universe: Type
Definitions unfolded in proof :  uall: ∀[x:A]. B[x],  member: t ∈ T,  destructor: destructor{i:l}(T.F[T]),  so_apply: x[s],  so_lambda: λ2x.t[x]
Lemmas referenced :  subtype_rel_wf,  base_wf,  decomp_wf
Rules used in proof :  sqequalSubstitution,  sqequalTransitivity,  computationStep,  sqequalReflexivity,  isect_memberFormation,  introduction,  cut,  sqequalRule,  isectEquality,  setEquality,  universeEquality,  cumulativity,  lemma_by_obid,  sqequalHypSubstitution,  isectElimination,  thin,  hypothesisEquality,  hypothesis,  functionEquality,  applyEquality,  setElimination,  rename,  lambdaEquality,  axiomEquality,  equalityTransitivity,  equalitySymmetry

Latex:
\mforall{}[F:Type  {}\mrightarrow{}  Type].  (destructor\{i:l\}(T.F[T])  \mmember{}  \mBbbU{}')



Date html generated: 2016_05_15-PM-06_56_49
Last ObjectModification: 2015_12_27-AM-11_39_39

Theory : general


Home Index