Nuprl Definition : ml-length
ml-length(l) == fix((λlength,l. if null(l) then 0 else let a.as = l in 1 + length(as) fi ))(l)
Definitions occuring in Statement :
spreadcons: spreadcons,
ml_apply: f(x),
null: null(as),
ifthenelse: if b then t else f fi ,
fix: fix(F),
lambda: λx.A[x],
add: n + m,
natural_number: $n
Definitions occuring in definition :
fix: fix(F),
lambda: λx.A[x],
ifthenelse: if b then t else f fi ,
null: null(as),
spreadcons: spreadcons,
add: n + m,
natural_number: $n,
ml_apply: f(x)
FDL editor aliases :
ml-length
Latex:
ml-length(l) == fix((\mlambda{}length,l. if null(l) then 0 else let a.as = l in 1 + length(as) fi ))(l)
Date html generated:
2017_09_29-PM-05_50_52
Last ObjectModification:
2017_05_10-PM-06_33_48
Theory : ML
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