verification of an equation
Webster's Dictionary (GCIDE)
Verification \Ver`i*fi*ca"tion\, n. [Cf. F. v['e]rification.]
1.The act of verifying, or the state of being verified; confirmation; authentication. [1913 Webster]
2.(Law) (a) Confirmation by evidence. (b) A formal phrase used in concluding a plea. [1913 Webster]
Verification of an equation (Math.), the operation of testing the equation of a problem, to see whether it expresses truly the conditions of the problem. --Davies & Peck. (Math. Dict.) [1913 Webster]