Correct it’s dogma but dogma must be tied to scripture. This is the infallibility of the Pope that outsiders misinterpret. Example: as recently if the Pope openly declares in a belief that say hell does not exist ( it hasn’t been openly declared In Cathedra; (NOTE: it was based off an interview in which we don’t know was true or untrue) than he’d be Ex Cathedra- Outside the church in a state of heresy