Nuprl Definition : return-class

return-class(x) ==  λes,e. if first(e) then {x} else {} fi 



Definitions occuring in Statement :  es-first: first(e) ifthenelse: if then else fi  lambda: λx.A[x] single-bag: {x} empty-bag: {}
FDL editor aliases :  return-class
return-class(x)  ==    \mlambda{}es,e.  if  first(e)  then  \{x\}  else  \{\}  fi 



Date html generated: 2015_07_17-PM-00_43_10
Last ObjectModification: 2012_02_25-PM-01_20_16

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