How do you insert the filled square "End of proof" unicode character [U+220E] in a socratic.org answer?

The empty square can be inserted like this #square#, however I cannot find the filled square QED character

Thanks :-)

The empty square can be inserted like this #square#, however I cannot find the filled square QED character

Thanks :-)

2 Answers
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mason m Share
Jun 15, 2016

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 #square#.

Within the context of a problem, this could look something like:

Hence #T-r_i={m+k+1-r_i,...,m+r+r_i}# is a segment of length at most #r-k < r# of #B_0#. Since #m+k+1-r_i < m#, this contradicts the definition of #S". "" "" "" "" "square#

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Write your answer here...
Start with a one sentence answer
Then teach the underlying concepts
Don't copy without citing sources
preview
?

Answer

Write a one sentence answer...

Answer:

Explanation

Explain in detail...

Explanation:

I want someone to double check my answer

Describe your changes (optional) 200

1
Dec 7, 2015

Answer:

Here's what you can do.

Explanation:

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

#csc(x)-sin(x) = cos(x)cot(x) rArr#

#1/sin(x) - sin(x) = cos(x)*cos(x)/sin(x) rArr#

#[1/sin(x) - sin(x) = cos(x)*cos(x)/sin(x)]*sin(x) rArr#

#sin(x)/sin(x) - sin^2(x) = cos^2(x)*sin(x)/sin(x) rArr#

#1 - sin^2(x) = cos^2(x) rArr#

#sin^2(x) + cos^2(x) = 1# #▄#

The alignment is not perfect, but I think it gets the job done.

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