n an assertion of a right (as to money or property) n an assertion that something is true or factual n demand for something as rightful or due n an informal right to something n an established or recognized right n a demand especially in the phrase "the call of duty" v assert or affirm strongly
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plural of counterfactual s
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an item of factual information derived from measurement or research
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n an item of factual information derived from measurement or research
