Re: When an individual has/have [?] a unique idea (...), it is said that they have (.
That is not correct. 'Have' needs to be 'has'. 'Arise' needs to be 'arrives'.
Originally Posted by Conatus
Most of these involve an auxiliary: Can/does/will/etc an individual have ...
Then I looked up for "an individual has" vs. "an individual have" at Google Book Ngram: Google Ngram Viewer
And I've notice that there are millions of results to "an individual have" on Google Search:
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