Kurt Pagani wrote:
> 
> I guess this is not correct !?
> 
>                                                            Type: Void
> 
> (1) -> L:=[1,2,3]
> 
>    (1)  [1, 2, 3]
>                                                   Type: 
> List(PositiveInteger)
> (2) -> remove!(1,L)
> 
>    (2)  [2, 3]
>                                                   Type: 
> List(PositiveInteger)
> (3) -> L
> 
>    (3)  [1, 2, 3]
>                                                   Type: 
> List(PositiveInteger)

This works as designed: you should use return value of 'remove!'.
For more examples see second half of:

http://axiom-wiki.newsynthesis.org/ListProgramming

> (4) -> remove!(3,L)
> 
>    (4)  [1, 2]
>                                                   Type: 
> List(PositiveInteger)
> (5) -> L
> 
>    (5)  [1, 2]
>                                                   Type: 
> List(PositiveInteger)
> (6) -> remove!(2,L)
> 
>    (6)  [1]
>                                                   Type: 
> List(PositiveInteger)
> (7) -> L
> 
>    (7)  [1]
>                                                   Type: 
> List(PositiveInteger)
> (8) -> remove!(1,L)
> 
>    (8)  []
>                                                   Type: 
> List(PositiveInteger)
> (9) -> L
> 
>    (9)  [1]
>                                                   Type: 
> List(PositiveInteger)
> (10) ->
> 
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> 


-- 
                              Waldek Hebisch

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