The up tack or falsum (, \bot in LaTeX, U+22A5 in Unicode[1]) is a constant symbol used to represent:

as well as

The glyph of the up tack appears as an upside-down tee symbol, and as such is sometimes called eet (the word "tee" in reverse).[citation needed] Tee plays a complementary or dual role in many of these theories.

The similar-looking perpendicular symbol (, \perp in LaTeX, U+27C2 in Unicode) is a binary relation symbol used to represent:

The double tack up symbol (, U+2AEB in Unicode[1]) is a binary relation symbol used to represent:

See also

Notes

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