Got Logic? Part 1: Two Things that are Diametrically Opposed Cannot Both Be True....

Fr. Laurent-Marie Pocquet

 ....They can both be false, but they cannot both be true. 

Which brings me to an excellent article posted at Rorate Caeli by Dr. Peter Kwasniewski. Written by Reverend Fr. Laurent-Marie Pocquet du Haut Jussé, former superior of the Servants of Jesus and Mary (SJM), it discusses paradoxes raised by the problematic motu proprio Traditionis Custodes and the response to the dubious dubia. 

The first is a moral paradox: