I am not relying on the similarities. I am relying on the "definitions". proof, noun 1. evidence or argument establishing or helping to establish a fact or the truth of a statement. "you will be asked to give proof of your identity" Similar: evidence, verification, corroboration, authentication, confirmation, certification, validation Definitions from Oxford Languages If there is a remarkable difference, please explain it to me. There is a certain irony in this very item of contention .... Please Register or Log in to view the hidden image!