Nuprl Lemma : prefix-replace_wf
∀[t,x:Name]. ∀[pre:pi_prefix()].  (prefix-replace(t;x;pre) ∈ pi_prefix())
Proof
Definitions occuring in Statement : 
prefix-replace: prefix-replace(t;x;pre)
, 
pi_prefix: pi_prefix()
, 
name: Name
, 
uall: ∀[x:A]. B[x]
, 
member: t ∈ T
Definitions unfolded in proof : 
uall: ∀[x:A]. B[x]
, 
member: t ∈ T
, 
prefix-replace: prefix-replace(t;x;pre)
, 
let: let, 
so_lambda: λ2x y.t[x; y]
, 
so_apply: x[s1;s2]
Latex:
\mforall{}[t,x:Name].  \mforall{}[pre:pi\_prefix()].    (prefix-replace(t;x;pre)  \mmember{}  pi\_prefix())
Date html generated:
2016_05_17-AM-11_24_30
Last ObjectModification:
2015_12_29-PM-06_53_18
Theory : event-logic-applications
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