∅ (EMPTY SET) utf-8 character icon

EMPTY SET is one of the 256 characters in the Mathematical Operators Unicode subset.

EMPTY SET in other fonts

The image below shows how the EMPTY SET symbol looks like in some of the most complete UTF-8 fonts: Code2000, Sun-ExtA, WenQuanYi Zen Hei and GNU Unifont. If the font in which this web site is displayed does not contain the EMPTY SET symbol, you can use the image below to get an idea of what it should look like.

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ASCII value:
8709
Unicode: :
U+2205
HTML:
∅
Name:
EMPTY SET
CSS:
\2205