Here's what you can do.
To add the q.e.d. symbol to the Socratic edit, write it in Microsoft Word using Unicode, then copy/paste it in the answer in between hashtags.
So, I wrote the q.e.d. symbol in Word and got this
If I use hashtags
hashtag ▄ hashtag
I will get
Now just use it anytime you want. To take an example you used in one of your answers, you will have
The alignment is not perfect, but I think it gets the job done.
You can also add, within the hashtags:
hashtag " "" "" "" "" "" "square hashtag
Basically, it's a string of " " units next to one another, which creates space, and then square, which when between hashtags makes a
Within the context of a problem, this could look something like: