Nuprl Lemma : select-nil
∀[i:Top]. ([][i] ~ ⊥)
Proof
Definitions occuring in Statement : 
select: L[n]
, 
nil: []
, 
bottom: ⊥
, 
uall: ∀[x:A]. B[x]
, 
top: Top
, 
sqequal: s ~ t
Definitions unfolded in proof : 
so_apply: x[s1;s2]
, 
top: Top
, 
so_lambda: λ2x y.t[x; y]
, 
it: ⋅
, 
nil: []
, 
all: ∀x:A. B[x]
, 
uimplies: b supposing a
, 
member: t ∈ T
, 
uall: ∀[x:A]. B[x]
, 
select: L[n]
Lemmas referenced : 
stuck-spread, 
base_wf, 
top_wf
Rules used in proof : 
sqequalAxiom, 
introduction, 
isect_memberFormation, 
voidEquality, 
voidElimination, 
isect_memberEquality, 
hypothesis, 
lambdaFormation, 
independent_isectElimination, 
baseClosed, 
thin, 
isectElimination, 
sqequalHypSubstitution, 
lemma_by_obid, 
cut, 
computationStep, 
sqequalTransitivity, 
sqequalReflexivity, 
sqequalRule, 
sqequalSubstitution
Latex:
\mforall{}[i:Top].  ([][i]  \msim{}  \mbot{})
Date html generated:
2016_05_14-AM-06_35_52
Last ObjectModification:
2016_01_12-PM-01_56_19
Theory : list_0
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