1 Corinthians 6:3 Know you not that we shall judge angels? how much more things of this world? I wanted to understand if this passage should be understood literally as if the saved were to judge the angels who rebelled, I find a passage difficult to understand because I always had the conviction that the rebellious angels were all thrown into hell and turned into demons, then because in this biblical passage a future judgment of them is mentioned as if there is a possibility of salvation. In the book of Revelation mention is made of the destruction of Satan together with the Antichrist and the False Prophet, which rules out any chance that the leader of the rebellion will be saved.
I think it’s judge in the sense of discern. I think St. Paul is saying that if a spirit presents itself it’s our duty to discern whether it’s demonic or not. The casting out has already happened and it’s not in our power to change what’s happened to the demons, one way or the other.
Yes, also the many heresies which are prevalent as well. They seem to be coming from every direction these days.
Here's what Haydock said about it: https://www.studylight.org/commentaries/hcc/1-corinthians-6.html "Go to law before the unjust. St. Paul here dissuades the new Christians from carrying their differences and causes about their temporal concerns before judges who were infidels, especially seeing the saints and the elect shall one day judge, that is, condemn all the wicked, and even the apostate angels, by approving the sentence which Christ shall pronounce against them at the day of judgment." I take that to mean that the righteous will be at God's right hand when Satan and the fallen angels are shut away in Hell for all eternity. This would be on Judgement Day after (per Revelation) Satan's chains had been loosed for a short time, the great apostasy, the final persecution and the Second Coming of Christ.
I am reading a book by Father Amorth RIP in which he touches on this subject briefly. From An Excorcist Tells His Story; Revelation tells us that demons were hurled down to earth; therefore their final damnation has yet to happen,even if it is irrevocable. This means that they still have the power that God had given them, even "if only for a brief time". That is why they ask Jesus; "Have you come here to torment us before the time?" (Mt 8:29) Christ is the only judge; he will gather to Himself His Mystical Body. This, then, is how we should interpret Paul's statement to the Corinthians, "since we are to judge angels" (1 Cor 6:3) When the "legion" of demons who possessed the man from Gerasa pleaded with Christ "not to condemn them to depart into the abyss" (Lk 8:31-32) they were seeking to hold on to their power. To a demon, leaving the body of a person and sinking into hell is an irrevocable death sentence; that is why the demon fights it to the last. However, his eternal pain will increase proportionately to the suffering he caused on earth. It is Saint Peter who tells us that the demons have not been definitively sentenced: "When angels sinned, God did not spare them; He sent them down to the underworld and consigned them to the dark underground caves to be held there till the day of judgement" (2 Pet 2:4). The glory of the angels, too, will be increased according to their good deeds; therefore, it is useful to invoke their help.