Two beginner questions

[Urban Hafner]

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Torsten Anders wrote:

| Oz is a bit tricky at first because of quite a few similar looking but
| very different infix operators. You use '<=', but you probably mean
| '=<'. Rule of thumb: for comparison always avoid operators which look
| like an arrow. That is, the greater-then operator is '>=' and not '=>'.

Yes. I think it will take me a while to get used to Oz.

Thanks for the solution!

Urban
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