If anti-individualism is correct, then no principled methodological constraint can preclude relational properties from individuation without begging the question against externalism.

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Externalism(Philosophy of linguistics): The view that the forms of actually attested expressions — sentences, phrases, syllables, and systems of such units — are the proper object of linguistic inquiry
Methodological constraint(as used in philosophical methodology): A rule or requirement that guides how philosophers should do their work—in this case, that theories must match what we actually believe in real situations.
anti-individualism(in philosophy of language and mind): A philosophical view that the meaning of our thoughts and words depends partly on the external world and social environment, not just what's happening inside our individual minds.
begging the question(Listed alongside equivocation as an example of a fallacy that highlights important issues in real-life arguing): A fallacy also known as circular reasoning

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