This may be as simple as observing that the theory makes accurate predictions, which is evidence that any assumptions made at the outset are correct or approximately correct under the conditions tested.
Awen adobat adiqil deɣqanen banan ən akayad ən təmusne tigan ən aditiwaɣlakan oɣadan, awa eqalan asidutu ən dak isalan iganen dǎɣ igili eqalan oɣadan meɣ olahan doɣadan dǎɣ tabaraten atiwǎramnen.