proveとは何ですか?To establish the truth or validity of by presentation of argument or evidence.Law To establish the authenticity of (a will).To determine the quality of by testing; try out.Mathematics To demonstrate the validity of (a hypothesis or proposition).Mathematics To verify (the result of a calculation).Printing To make a sample impression of (type).Archaic To find out or learn (something) through experience.To be shown to be such; turn out: a theory that proved impractical in practice. prove out To turn out well; succeed.