Nuprl Definition : choose
choose(n;i) == Y (λchoose,n,i. if (i =z 0) ∨b(i =z n) then 1 else (choose (n - 1) (i - 1)) + (choose (n - 1) i) fi ) n \000Ci
Definitions occuring in Statement :
bor: p ∨bq
,
ifthenelse: if b then t else f fi
,
eq_int: (i =z j)
,
ycomb: Y
,
apply: f a
,
lambda: λx.A[x]
,
subtract: n - m
,
add: n + m
,
natural_number: $n
Definitions occuring in definition :
ycomb: Y
,
lambda: λx.A[x]
,
ifthenelse: if b then t else f fi
,
bor: p ∨bq
,
eq_int: (i =z j)
,
add: n + m
,
apply: f a
,
subtract: n - m
,
natural_number: $n
Latex:
choose(n;i) ==
Y
(\mlambda{}choose,n,i. if (i =\msubz{} 0) \mvee{}\msubb{}(i =\msubz{} n) then 1 else (choose (n - 1) (i - 1)) + (choose (n - 1) i) fi \000C)
n
i
Date html generated:
2016_05_15-PM-00_26_28
Last ObjectModification:
2015_09_23-AM-06_26_07
Theory : rings_1
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