[Campion]

Of course; this is well known. The only defined dogmata concerning purgatory are (a) it exists; (b) it is the state or place wherein the elect receive their final sanctification prior to entering the Beatific Vision; (c) the poor souls there are helped by the prayers of the faithful on earth.

Any further definition would be unacceptable to the East, which is why Florence studiously avoided it.

[Resettozero]

The only defined dogmata concerning purgatory are (a) it exists; (b) it is the state or place wherein the elect receive their final sanctification prior to entering the Beatific Vision; (c) the poor souls there are helped by the prayers of the faithful on earth.

Any chance it's part of the doctrines of demons?