Nuprl Lemma : reduce_tl_cons_lemma
∀b,a:Top.  (tl([a / b]) ~ b)
Proof
Definitions occuring in Statement : 
tl: tl(l)
, 
cons: [a / b]
, 
top: Top
, 
all: ∀x:A. B[x]
, 
sqequal: s ~ t
Definitions unfolded in proof : 
member: t ∈ T
, 
all: ∀x:A. B[x]
, 
tl: tl(l)
, 
cons: [a / b]
, 
pi2: snd(t)
Lemmas referenced : 
top_wf
Rules used in proof : 
lemma_by_obid, 
hypothesis, 
cut, 
lambdaFormation, 
sqequalReflexivity, 
computationStep, 
sqequalTransitivity, 
sqequalSubstitution, 
sqequalRule
Latex:
\mforall{}b,a:Top.    (tl([a  /  b])  \msim{}  b)
Date html generated:
2019_06_20-PM-00_38_18
Last ObjectModification:
2018_10_07-PM-00_42_22
Theory : list_0
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