SystemXS about 13 years ago duality <-> mirror_oppositesNot much to say here. Updated by jxh2154 about 13 years ago Reply Copy ID Copy Link
jjj14 about 13 years ago Looks like the mirror_opposites tag is a bit overused. I just removed it from post #1000157, post #916570, and post #971148, among others. Reply Copy ID Copy Link
