Evidential is an adjective that refers to something that provides evidence. This is the broadest sense that includes everything that is used to establish or demonstrate the genuineness of an assertion.
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what is the definition of evidential
noting, pertaining to, serving as, or based on evidence.
The law of evidence encompasses the rules and legal principles that govern the proof of facts in a legal proceeding. These rules determine what evidence must or must not be considered by the trier of fact...