Nuprl Lemma : segment_wf

∀[T:Type]. ∀[as:T List]. ∀[m,n:ℤ].  (as[m..n-] ∈ T List)


Proof




Definitions occuring in Statement :  segment: as[m..n-],  list: T List,  uall: ∀[x:A]. B[x],  member: t ∈ T,  int: ℤ,  universe: Type
Definitions unfolded in proof :  uall: ∀[x:A]. B[x],  member: t ∈ T,  segment: as[m..n-]
Lemmas referenced :  firstn_wf,  nth_tl_wf,  subtract_wf,  list_wf
Rules used in proof :  sqequalSubstitution,  sqequalTransitivity,  computationStep,  sqequalReflexivity,  Error :isect_memberFormation_alt,  introduction,  cut,  sqequalRule,  extract_by_obid,  sqequalHypSubstitution,  isectElimination,  thin,  hypothesisEquality,  hypothesis,  axiomEquality,  equalityTransitivity,  equalitySymmetry,  Error :inhabitedIsType,  isect_memberEquality,  intEquality,  Error :universeIsType,  because_Cache,  universeEquality

Latex:
\mforall{}[T:Type].  \mforall{}[as:T  List].  \mforall{}[m,n:\mBbbZ{}].    (as[m..n\msupminus{}]  \mmember{}  T  List)



Date html generated: 2019_06_20-PM-00_43_16
Last ObjectModification: 2018_09_26-PM-02_05_58

Theory : list_0


Home Index