Nuprl Lemma : segment_wf

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


Proof




Definitions occuring in Statement :  segment: as[m..n-] list: List uall: [x:A]. B[x] member: t ∈ T int: 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


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