Nuprl Lemma : es-fix-cases
∀[es,f,e:Top]. (f**(e) ~ if e = f e then e else f**(f e) fi )
Proof
Definitions occuring in Statement :
es-fix: f**(e)
,
es-eq-E: e = e'
,
ifthenelse: if b then t else f fi
,
uall: ∀[x:A]. B[x]
,
top: Top
,
apply: f a
,
sqequal: s ~ t
Lemmas :
top_wf
\mforall{}[es,f,e:Top]. (f**(e) \msim{} if e = f e then e else f**(f e) fi )
Date html generated:
2015_07_17-AM-08_38_46
Last ObjectModification:
2015_01_27-PM-02_41_59
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