Nuprl Definition : fast-mapfilter

fast-mapfilter(p;f;L) ==  reduce(λx,a. if p[x] then [f[x] / a] else a fi ;[];L)



Definitions occuring in Statement :  reduce: reduce(f;k;as),  cons: [a / b],  nil: [],  ifthenelse: if b then t else f fi ,  so_apply: x[s],  lambda: λx.A[x]
Definitions occuring in definition :  reduce: reduce(f;k;as),  lambda: λx.A[x],  ifthenelse: if b then t else f fi ,  cons: [a / b],  so_apply: x[s],  nil: []
FDL editor aliases :  fast-mapfilter

Latex:
fast-mapfilter(p;f;L)  ==    reduce(\mlambda{}x,a.  if  p[x]  then  [f[x]  /  a]  else  a  fi  ;[];L)



Date html generated: 2016_05_15-PM-03_56_44
Last ObjectModification: 2015_09_23-AM-07_45_39

Theory : general


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