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⩙

logical or overlapping logical and

Overlapping OR–AND operator

⩙ is a specialist logical operator named for OR overlapping AND; its name alone does not tell you how to evaluate it. In a formula, take its exact rule from the notation that introduces it.

Text symbol
Search it as
⩙ meaning · logical OR AND operator · overlapping OR AND symbol · logic operator · math operator · logical connective
Shows up in
Anything that takes text · its shape is whatever your font draws

What ⩙ means

The name points to two logical connectives; context supplies the rule.

⩙ is a specialized operator described as logical OR overlapping logical AND. The name does not tell you which combinations make a formula true; read its definition in the notation that uses it.

What does the 2000 proposal say about ⩙?

A 2000 proposal included it in a larger set of math symbols.

The proposal grew out of the Scientific and Technical Information eXchange (STIX) Project, which set out to create a broad font set for scientific, technical, and mathematical publishing. The 2000 proposal groups ⩙ with logical AND/OR symbols but gives no truth-table definition.

Don't confuse it with

4
⨈
Two Logical Or Operator
shares “logical”, “or”
⩅
Union With Logical Or
shares “logical”, “or”
⩒
Logical Or With Dot Above
shares “logical”, “or”
⩔
Double Logical Or
shares “logical”, “or”

Questions people ask

1

Why does ⩙ show as a box on some devices?

Because that device's fonts have no glyph for it. The character is still correct and still copies correctly — the box is a missing glyph, not a broken character.

How to type ⩙

Windows (Word)
Alt+XType 2A59, then Alt+X to get ⩙.
Windows
Win+Rrun charmap for the full table, or use the emoji picker's Ω symbols tab (Win + .).
macOS
Control+Command+SpaceOpen the character viewer and search “logical or overlapping logical and”.
Linux
Ctrl+Shift+UType 2a59, then Enter or Space.
HTML
⩙
CSS
\2A59
Codes and encoding1 code points
HTML decimal
⩙
HTML hex
⩙
CSS content
content: "\2A59";
Each escape is closed by the next backslash; a trailing space is needed before a literal hex digit.
URL encoded
%E2%A9%99
1
On screen
1
Code points
1
JS .length
3
UTF-8 bytes

A visible symbol can contain several code points. JS .length counts UTF-16 units; UTF-8 counts bytes.

Families this belongs to

1

Maths & numbers1,835 symbols

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