Nuprl Lemma : co_w_select_nil_lemma
∀w:Top. (w@[] ~ w)
Proof
Definitions occuring in Statement : 
co-w-select: w@s
, 
nil: []
, 
top: Top
, 
all: ∀x:A. B[x]
, 
sqequal: s ~ t
Definitions unfolded in proof : 
all: ∀x:A. B[x]
, 
member: t ∈ T
, 
co-w-select: w@s
, 
btrue: tt
, 
bor: p ∨bq
, 
ifthenelse: if b then t else f fi 
Lemmas referenced : 
top_wf, 
null_nil_lemma, 
reduce_tl_nil_lemma
Rules used in proof : 
sqequalSubstitution, 
sqequalTransitivity, 
computationStep, 
sqequalReflexivity, 
lambdaFormation, 
cut, 
hypothesis, 
lemma_by_obid, 
sqequalRule
Latex:
\mforall{}w:Top.  (w@[]  \msim{}  w)
Date html generated:
2016_05_15-PM-10_05_44
Last ObjectModification:
2015_12_27-PM-05_50_36
Theory : bar!induction
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