Nuprl Lemma : fseg_wf
∀[T:Type]. ∀[L1,L2:T List].  (fseg(T;L1;L2) ∈ ℙ)
Proof
Definitions occuring in Statement : 
fseg: fseg(T;L1;L2)
, 
list: T List
, 
uall: ∀[x:A]. B[x]
, 
prop: ℙ
, 
member: t ∈ T
, 
universe: Type
Definitions unfolded in proof : 
fseg: fseg(T;L1;L2)
, 
uall: ∀[x:A]. B[x]
, 
member: t ∈ T
, 
so_lambda: λ2x.t[x]
, 
so_apply: x[s]
Lemmas referenced : 
exists_wf, 
list_wf, 
equal_wf, 
append_wf
Rules used in proof : 
sqequalSubstitution, 
sqequalRule, 
sqequalReflexivity, 
sqequalTransitivity, 
computationStep, 
isect_memberFormation, 
introduction, 
cut, 
lemma_by_obid, 
sqequalHypSubstitution, 
isectElimination, 
thin, 
hypothesisEquality, 
hypothesis, 
lambdaEquality, 
axiomEquality, 
equalityTransitivity, 
equalitySymmetry, 
isect_memberEquality, 
because_Cache, 
universeEquality
Latex:
\mforall{}[T:Type].  \mforall{}[L1,L2:T  List].    (fseg(T;L1;L2)  \mmember{}  \mBbbP{})
Date html generated:
2016_05_14-PM-01_35_02
Last ObjectModification:
2015_12_26-PM-05_26_13
Theory : list_1
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