Nuprl Definition : filter2
filter2(P;L) ==  reduce2(λx,i,l. if P i then [x / l] else l fi [];0;L)
Definitions occuring in Statement : 
reduce2: reduce2(f;k;i;as)
, 
cons: [a / b]
, 
nil: []
, 
ifthenelse: if b then t else f fi 
, 
apply: f a
, 
lambda: λx.A[x]
, 
natural_number: $n
Definitions occuring in definition : 
reduce2: reduce2(f;k;i;as)
, 
lambda: λx.A[x]
, 
ifthenelse: if b then t else f fi 
, 
apply: f a
, 
cons: [a / b]
, 
nil: []
, 
natural_number: $n
FDL editor aliases : 
filter2
Latex:
filter2(P;L)  ==    reduce2(\mlambda{}x,i,l.  if  P  i  then  [x  /  l]  else  l  fi  ;[];0;L)
Date html generated:
2016_05_15-PM-01_56_43
Last ObjectModification:
2015_09_23-AM-07_37_31
Theory : list!
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