What does a spurious claim typically lack?

A spurious claim is one that is misleading, false, or lacks a solid foundation. The term "spurious" suggests that the claim is not genuine or authentic. Validity refers to the soundness or truthfulness of a claim; hence, a spurious claim inherently lacks validity because it cannot be substantiated or verified through logical reasoning or credible sources. This deficiency renders the claim untrustworthy and unsound.

While a spurious claim might also be weak in detail, logic, or lack evidence, the core issue is its lack of validity. A claim that is spurious ultimately cannot be accepted as true or acceptable due to this fundamental flaw in its justification. Understanding this characteristic is crucial for evaluating the reliability of information encountered in everyday discussions or persuasive arguments.