Nuprl Definition : es-interface-filter
X|a.P[a] ==  λb.if (#(b) =z 1) then [a∈b|P[a]] else {} fi  o X
Definitions occuring in Statement : 
eclass-compose1: f o X
, 
ifthenelse: if b then t else f fi 
, 
eq_int: (i =z j)
, 
lambda: λx.A[x]
, 
natural_number: $n
, 
bag-size: #(bs)
, 
bag-filter: [x∈b|p[x]]
, 
empty-bag: {}
FDL editor aliases : 
es-interface-filter
Latex:
X|a.P[a]  ==    \mlambda{}b.if  (\#(b)  =\msubz{}  1)  then  [a\mmember{}b|P[a]]  else  \{\}  fi    o  X
Date html generated:
2015_07_20-PM-03_32_46
Last ObjectModification:
2012_02_25-PM-01_49_18
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