[Meaning a] true sign.[1] Or something irrefutable. And 'probative demonstration' describes finding and understanding fire on the basis of smoke.[2] And if the effect always follows the cause, this is called 'proof'. Certainly, if [it] did not always follow [the cause], it would be called 'sign', not 'proof', insofar as it is not irrefutable. For example, [a woman] is pale-yellow, because [she] has given birth.[3]
And elsewhere: "one might have proved that Theodora was a daemon with a human shape if one had measured the magnitude of evils that she committed against men. For the power of the perpetrator also becomes manifest in the excessiveness of the deeds."[4]
And Damascius says elsewhere: "[Isidore] set down distinctive terms and criteria for divine elements with regard to the differentiation from human [elements]: above all the efficacy of industriousness, and of a keen intellect’s judgment in avoiding public and habitual conformity with the multitude, and of love itself, excited for the enjoyment of intellectual beauty."[5]
"He was very fearful, since he recognized [Trajan's] impulse, and that he gave evidence of his threats with his deeds."[6]