Nuprl Definition : cond-to-list 11,40

?[x] == case x of inl(y) => [y] | inr(y) => [] 
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clarification:

?[x] == case x of inl(y) => [y / []] | inr(y) => [] 
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Definitionscase b of inl(x) => s(x) | inr(y) => t(y), [car / cdr], []
FDL editor aliasescond-to-list

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