Scripture can be used to interpret Scripture because Scripture is the truth.
Using your criteria, however, prohibits the IM from interpreting itself. Therefore, all pronuncments from the IM are subject to the personal interpretation of the individual believer, the very personal interpretation that is condemned when the individual believer uses it to interpret Scripture.
Therefore, if any one personal interpretation of Scripture is invalid when done by the individual believer, the personal interpretation of the IM is likewise invalid when done by the individual believer.
Too many Catholics want to have their cake and eat it too.
“Scripture can be used to interpret Scripture because Scripture is the truth.
Using your criteria, however, prohibits the IM from interpreting itself.”
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Scripture doesn’t interpret Scripture. More error. The reason, you have no authority, you are your own pope metmom. It makes everything a lot easier.
What is IM?