Nuprl Definition : has-value 3,21

has-value(a) == callbyvalue(a;a.0) = 0 
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clarification:

has-value(a) == callbyvalue(a;a.0) = 0   
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Definitionss = t, , callbyvalue(a;x.B(x)), #$n
FDL editor aliaseshas-value

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