Math Symbols Quiz

Enter the name/function/description of the symbol.
Quiz by
mather13
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Last updated: September 19, 2023
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First submittedSeptember 19, 2023
Times taken82
Average score33.3%
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Hint
Answer
infinity
| x |
absolute value
[a,b]
closed interval
n!
factorial
union
or
¬
not
equivalent/if and only if
for all
therefore
∃!
there exists exactly one
much greater than
congruent to
product of a series
proportional to
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1 Comments
+1
Level 17
Apr 2, 2025
Never seen that symbol for 'or', always seen Union 'U'