If the theoretical framework generating propositional singular terms is itself eliminable, those terms carry less ontological weight than mathematical terms embedded in confirmed physics.

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Eliminable(showing that things can seem necessary but actually aren't): Able to be removed or gotten rid of without actually losing anything important; replaceable.
Ontological weight(whether existential claims matter for what's really real): How seriously we should take a claim as telling us something genuinely exists in reality, rather than being just a convenient way of speaking.
Ontology(Carnap argues this enterprise is based on a mistake): The philosophical discipline that tries to answer hard questions about what there really is.
Propositional singular terms(as used in logic and philosophy of language): Words or phrases that seem to point to specific things or ideas (like 'the number 7' or 'justice itself'), which some philosophers argue are just a roundabout way of saying something about sentences.

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