MathGroup Archive 1996

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Combinations function?

There is already a function to obtain the number of permutations possible
from a set (or list); but does anyone know of a function to obtain the

For example, if the set is {a,b,c,d}, I want to list all 3-member
combinations possible, yielding {{a,b,c},{a,b,d},{a,c,d},{b,c,d}}. 

Thanks in advance,
Erik Kulstad

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