Nuprl Lemma : fseg_transitivity

[T:Type]. ∀l1,l2,l3:T List.  (fseg(T;l1;l2)  fseg(T;l2;l3)  fseg(T;l1;l3))


Proof




Definitions occuring in Statement :  fseg: fseg(T;L1;L2) list: List uall: [x:A]. B[x] all: x:A. B[x] implies:  Q universe: Type
Definitions unfolded in proof :  fseg: fseg(T;L1;L2) uall: [x:A]. B[x] all: x:A. B[x] implies:  Q exists: x:A. B[x] member: t ∈ T prop: so_lambda: λ2x.t[x] so_apply: x[s] top: Top
Lemmas referenced :  length_wf_nat equal_wf nat_wf exists_wf list_wf append_wf append_assoc
Rules used in proof :  sqequalSubstitution sqequalRule sqequalReflexivity sqequalTransitivity computationStep isect_memberFormation lambdaFormation sqequalHypSubstitution productElimination thin cut dependent_set_memberEquality hypothesis introduction extract_by_obid isectElimination cumulativity hypothesisEquality because_Cache hyp_replacement equalitySymmetry Error :applyLambdaEquality,  lambdaEquality setElimination rename universeEquality dependent_pairFormation isect_memberEquality voidElimination voidEquality equalityTransitivity

Latex:
\mforall{}[T:Type].  \mforall{}l1,l2,l3:T  List.    (fseg(T;l1;l2)  {}\mRightarrow{}  fseg(T;l2;l3)  {}\mRightarrow{}  fseg(T;l1;l3))



Date html generated: 2016_10_25-AM-10_45_16
Last ObjectModification: 2016_07_12-AM-06_55_02

Theory : general


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