35 Math Symbols You Don't Know - Statistics

General Stats

Answer Stats

Hint	Answer	% Correct
∨	Disjunction, "or"	72%
∫	Integral / antiderivative	68%
∇	Nabla / Del	68%
∑	Summation	67%
Δ	Delta	64%
∪	Union	62%
¬	Negation, "not"	59%
R	Real Numbers	57%
∧	Conjunction, "and"	55%
∩	Intersection	51%
N	Natural Numbers	51%
Q	Rational Numbers	51%
Z	Integers	48%
C	Complex Numbers	45%
≡	Congruent, identically equal	42%
∀	Universal Quantification, "for all"	42%
∏	Product	41%
⊆	Subset	41%
→, ⇒	Material conditional, "implies"	39%
⊂	Set / Proper Subset	38%
⇔	Logical Equivalent, "if and only if"	32%
∂	Partial derivative, Boundary of a topological subspace	25%
⊕, ⊻	Exclusive disjunction, "xor"	19%
H	Quaternions	19%
∬, ∯	Surface Integral	17%
∉	"is not an element of"	16%
∈	Set Membership, "is an element of"	16%
∮	Contour Integral	13%
∃	Existential Quantification, "There exists ... such that"	13%
⊥	Up Tack / Falsum	13%
↔	Biconditional	12%
⊤	Down Tack / Verum	10%
⊖	Symmetric difference	10%
∃!	Uniqueness Quantification, "There exists exactly one ... such that"	9%
⊔	Disjoint Union	7%

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