Four cardinals, most of them retired, wrote a highly publicized letter demanding that the pope clarify the magisterium -- church teaching -- on the indissolubility of marriage.
Judgment on private revelations falls under a bishop's ordinary magisterium, which is authoritative but noninfallible and requires religious submission of intellect and will.
Additionally, the ordinary and universal episcopal magisterium applies to a teaching to be held definitively by all the bishops at any given moment in history.
