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Hello Masters;
I have a problem with the word "wonder" in this sentence:

One may wonder of course whether ‘numbers’ are anything we encounter in an ordinary life.

Here, "wonder" means "feeling amazement, surprise" or "feeling doubt"?

Thanks

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Sense 10 at https://www.collinsdictionary.com/dictionary/english/wonder

10. to indulge in speculative inquiry, often accompanied by an element of doubt (concerning something)