The inverse of a function...

Vlad Dumitrescu <>
Wed Mar 10 13:12:00 CET 2004


Hi,

> Functions without side-effects have an inverse, but
> even if one is given the source code, it is not always
> easy to identify the inverse. 

To be picky, not really :-)

For example,

f(a) -> aa;
f(b) -> aa.

/Vlad



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