Chiralkine treats the two sides of a relationship defining a distinction as mirror opposites. A mirror exchanges front and back, but otherwise leaves relative positions unchanged. Looking in a mirror, your nose projects towards you, but your left and right eyes are still on the left and right sides respectively. Chiralkine treats the two sides of a relationship defining a distinction like front and back, as the sides of a coin. The mirror exchanges the front and back sides of physical identifiers, but leaves their order and meanings unchanged. Hence if black associated with the meaning distinct is viewed in the mirror, white associated with the meaning distinct is observed.
It is not possible for the meanings to be inverted by the mirror, because this would be inconsistent with the ordered way in which they are generated by making comparisons. You would end up by comparing a symbol tethered to distinct with the same symbol tethered to distinct and outputting the symbol tethered to distinct, not that tethered to same.