Thread:Project:Support desk/creating a concept

Hello,

I am quite new to SMW. I am having troubles creating a concept, that combines three categories apple, orange, strawberry. Since I can't find examples, can anybody help me with the Syntax to create a concept, that contains the same pages as this query?

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This implementation does not work:

Is there a possibilty to use compound queries in a concept? I would appreciate any help. Thank you very much in advance.

Kind regards