# Statistics for 35 Math Symbols You Don't Know

### General Stats

• This quiz has been taken 30 times
(27 since last reset)
• The average score is 15 of 35

Disjunction, "or"
83%
RReal Numbers
83%
CComplex Numbers
72%
Conjunction, "and"
72%
ΔDelta
72%
Integral / antiderivative
72%
Nabla / Del
72%
NNatural Numbers
72%
QRational Numbers
72%
Congruent, identically equal
67%
ZIntegers
67%
¬Negation, "not"
67%
Summation
67%
Union
56%
Intersection
50%
→, ⇒Material conditional, "implies"
50%
Universal Quantification, "for all"
50%
Set / Proper Subset
44%
Subset
39%
Product
33%
Logical Equivalent, "if and only if"
28%
Biconditional
22%
"is not an element of"
22%
Partial derivative, Boundary of a topological subspace
22%
HQuaternions
22%
Set Membership, "is an element of"
22%
Contour Integral
17%
⊕, ⊻Exclusive disjunction, "xor"
17%
∬, ∯Surface Integral
17%
Down Tack / Verum
6%
Existential Quantification, "There exists ... such that"
6%
Up Tack / Falsum
6%
Disjoint Union
0%
Symmetric difference
0%
∃!Uniqueness Quantification, "There exists exactly one ... such that"
0%