self-proving

verb (used with object), proved, proved or prov·en, prov·ing.

1. to establish the truth or genuineness of, as by evidence or argument: to prove one’s claim.
2. Law. to establish the authenticity or validity of (a will); probate.
3. to give demonstration of by action.
4. to subject to a test, experiment, comparison, analysis, or the like, to determine quality, amount, acceptability, characteristics, etc.: to prove ore.
5. to show (oneself) to have the character or ability expected of one, especially through one’s actions.
6. Mathematics. to verify the correctness or validity of by mathematical demonstration or arithmetical proof.
7. Also proof. Printing. to take a trial impression of (type, a cut, etc.).
8. to cause (dough) to rise to the necessary lightness.
9. Archaic. to experience.

verb (used without object), proved, proved or prov·en, prov·ing.

10. to turn out: The experiment proved to be successful.
11. to be found by trial or experience to be: His story proved false.
12. (of dough) to rise to a specified lightness: Leave covered until it has proved.

verb proves, proving, proved, proved or proven (mainly tr)

1. (may take a clause as object or an infinitive) to establish or demonstrate the truth or validity of; verify, esp by using an established sequence of procedures or statements
2. to establish the quality of, esp by experiment or scientific analysis
3. law to establish the validity and genuineness of (a will)
4. to show (oneself) able or courageous
5. (copula) to be found or shown (to be)this has proved useless; he proved to be invaluable
6. printing to take a trial impression of (type, etc)
7. (intr) (of dough) to rise in a warm place before baking
8. archaic to undergo

v.late 12c., pruven, proven “to try, test; evaluate; demonstrate,” from Old French prover, pruver “show; convince; put to the test” (11c., Modern French prouver), from Latin probare “to make good; esteem, represent as good; make credible, show, demonstrate; test, inspect; judge by trial” (source also of Spanish probar, Italian probare), from probus “worthy, good, upright, virtuous,” from PIE *pro-bhwo- “being in front,” from *pro-, extended form of root *per- (1) “forward, through” (see per), + root *bhu- “to be” (cf. Latin fui “I have been,” futurus “about to be;” Old English beon “to be;” see be). Related: Proved; proven; proving. In addition to the idiom beginning with prove

prove out

also see:

exception proves the rule