Anonymous ID: 275326 April 19, 2019, 8:10 a.m. No.6239387   🗄️.is 🔗kun   >>9393 >>9417

What is a mirror element? We haven't discussed this, nor do we have a proper definition.

 

It's an element that is a mirror or another element? If so, then what is the difference between these elements and is the difference important as t increases / decreases?