Nuprl Lemma : rel_plus_wf

∀[T:Type]. ∀[R:T ⟶ T ⟶ Type].  (R+ ∈ T ⟶ T ⟶ Type)


Proof




Definitions occuring in Statement :  rel_plus: R+,  uall: ∀[x:A]. B[x],  member: t ∈ T,  function: x:A ⟶ B[x],  universe: Type
Definitions unfolded in proof :  rel_plus: R+,  uall: ∀[x:A]. B[x],  member: t ∈ T,  so_lambda: λ2x.t[x],  infix_ap: x f y,  subtype_rel: A ⊆r B,  prop: ℙ,  so_apply: x[s],  exists: ∃x:A. B[x]
Lemmas referenced :  exists_wf,  nat_plus_wf,  rel_exp_wf,  nat_plus_subtype_nat
Rules used in proof :  sqequalSubstitution,  sqequalRule,  sqequalReflexivity,  sqequalTransitivity,  computationStep,  isect_memberFormation,  introduction,  cut,  lambdaEquality,  lemma_by_obid,  sqequalHypSubstitution,  isectElimination,  thin,  hypothesis,  applyEquality,  hypothesisEquality,  axiomEquality,  equalityTransitivity,  equalitySymmetry,  functionEquality,  cumulativity,  universeEquality,  isect_memberEquality,  because_Cache

Latex:
\mforall{}[T:Type].  \mforall{}[R:T  {}\mrightarrow{}  T  {}\mrightarrow{}  Type].    (R\msupplus{}  \mmember{}  T  {}\mrightarrow{}  T  {}\mrightarrow{}  Type)



Date html generated: 2016_05_14-PM-03_51_27
Last ObjectModification: 2015_12_26-PM-06_57_30

Theory : relations2


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