Does Intelligent life require oxygen?

This question is related to the following question on whether complex life is possible without oxygen but is not a duplicate. I was doing some searching and found this and this link, the first on whether complex life requires oxygen and the second on the first multicellular creature discovered that doesn't require oxygen. This led me to wonder whether oxygen causes intelligent life (humanoids) or if intelligent life depends on oxygen or if it is just as likely to use another gas?

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Does Intelligent life require oxygen?

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