Let take the classical logical example:
Socrates is a human, humans are mortal therefore Socrates was mortal.
It's also a statement about what it means to be human which is one metaphysical question.
Russels Paradox that concludes that their are things that are neither true nor false, (statement like: "This statement is false") is also about the nature of the reality of object and at the same time classical logical stuff.
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