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>> one-to-one and onto funktion > > I don't think that's the established terminology. It is. Injective and surjective are more "international", but those Engli
by filmor 9y ago
>> one-to-one and onto funktion
>
> I don't think that's the established terminology.
It is. Injective and surjective are more "international", but those English names are fine as well. What's missing is that the function sshould map a set onto itself.
- smadge 9y ago> Injective and surjective are more "international", but those English names are fine as well Thanks! one-to-one and onto is the terminology my American courses are using. > What's missing is that the function sshould map a set onto itself. Just for the record I initially stated "a permutation is just a one-to-one and onto function from a set to itself" as you say it must.