Weird Unicode math symbols (XKCD)

[Hans Åberg]

Here are the correct Unicode names:
U+29CD ⧍ TRIANGLE WITH SERIFS AT BOTTOM
U+23E7 ⏧ ELECTRICAL INTERSECTION
U+2A33 ⨳ SMASH PRODUCT
U+2A7C ⩼ GREATER-THAN WITH QUESTION MARK ABOVE 
U+299E ⦞ ANGLE WITH S INSIDE
U+2A04 ⨄ N-ARY UNION OPERATOR WITH PLUS
U+2B48 ⭈ RIGHTWARDS ARROW ABOVE REVERSE ALMOST EQUAL TO
U+225D ≝ EQUAL TO BY DEFINITION
U+237C ⍼ RIGHT ANGLE WITH DOWNWARDS ZIGZAG ARROW
U+2A50 ⩐ CLOSED UNION WITH SERIFS AND SMASH PRODUCT
U+2A69 ⩩ TRIPLE HORIZONTAL BAR WITH TRIPLE VERTICAL STROKE
U+2368 ⍨ APL FUNCTIONAL SYMBOL TILDE DIAERESIS
U+2118 ℘ SCRIPT CAPITAL P
U+2AC1 ⫁ SUBSET WITH MULTIPLICATION SIGN BELOW
U+232D ⌭ CYLINDRICITY
U+2A13 ⨓ LINE INTEGRATION WITH SEMICIRCULAR PATH AROUND POLE
U+2A0B ⨋ SUMMATION WITH INTEGRAL


> On 14 Apr 2022, at 01:18, Peter Constable via Unicode <unicode at corp.unicode.org> wrote:
> 
> https://xkcd.com/2606
>  
>  
> Peter