[Haskell-cafe] Powerset of a set

[Jerzy Karczmarczuk]

Le 14/09/2015 23:04, Francesco Ariis follows my cold remark suggesting 
that JM should look upon some sources before asking this list to help to 
solve his homework:

> Clue /= solution. Searching the web tentds to give straight answers 
> rather than hints (which some of us find more useful to progress

?

Did *YOU*, Francesco Ariis, verify the references cited? You reproach me 
of WHAT?

The StackOverflow page gives plenty of clues, a little theory, data 
properties, etc.

On the Web you will find what you wish to find. If you don't want 
hamburger solutions, don't read them.  If for you it is more "useful to 
progress", by querying a community which should be, and IS helpful, but 
will not replace your ELEMENTARY textbooks, and your teachers, I don't 
think we share the same vocabulary.

Jerzy Karczmarczuk

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