Nuprl Lemma : last-data-stream-dataflow-union-empty
[A:Type]. [as:A List]. (last(data-stream(dataflow-union({});as)) ~ {})
Proof not projected
Definitions occuring in Statement :
dataflow-union: dataflow-union(dfs),
data-stream: data-stream(P;L),
uall: [x:A]. B[x],
list: type List,
universe: Type,
sqequal: s ~ t,
last: last(L),
empty-bag: {}
Definitions :
uall: [x:A]. B[x],
member: t 
T,
top: Top,
all: x:A. B[x],
subtype: S 
T,
dataflow-union: dataflow-union(dfs),
let: let
Lemmas :
data-stream-cons,
top_wf,
last-cons,
data-stream_wf,
pi1_wf_top,
dataflow_wf,
dataflow-ap_wf
\mforall{}[A:Type]. \mforall{}[as:A List]. (last(data-stream(dataflow-union(\{\});as)) \msim{} \{\})
Date html generated:
2012_01_23-PM-12_03_01
Last ObjectModification:
2011_12_28-PM-12_38_10
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