Discrete Math Symbols:

SymbolMeaningUsageExampleReads as
There exists∃xThere exists x
Element ofx ∈ Sx ∈ {1, 2, 3}x is an element of S
Not an element ofx ∉ Sx ∉ {1, 2, 3}x is not an element of S
Dividesx ∣ y3 ∣ 93 divides 9
ZIntegersZZ+Set of positive integers
Congruentx ≡ y0 ≡ 10%50 is congruent to 10 mod 5

Full set of symbols generated by CoPilot:

SymbolMeaning
Element of
Not an element of
Empty set
Subset
Proper subset
Not a subset
Superset
Proper superset
Not a superset
Union
Intersection
Set difference
Symmetric difference
Exclusive or
Not exclusive or
Cartesian product
Subset of or equal to
⊃⊸Proper subset of or equal to
Disjoint union
Not disjoint union
Multiset union
Multiset intersection
Multiset difference
Multiset sum
Multiset product
Multiset disjoint union
Multiset symmetric difference
Multiset subset
Multiset superset
Multiset subset of or equal to
Multiset superset of or equal to
Multiset subset of or equal to
Proves
Is proved by
Tautology
Contradiction
Entails
Satisfies
Models
Forces
Is forced by
Is true under
Is false under
Does not entail
Does not satisfy
Does not model
Is consistent with
Is inconsistent with
Precedes
Succeeds
Is a normal subgroup of
Contains as normal subgroup
Is a subgroup of
Contains as subgroup
Normal subgroup of or equal to
Subgroup of or equal to
Contains as normal subgroup or equal to
Contains as subgroup or equal to
Isomorphic to
Isomorphic with
Isomorphic to or equal to
Isomorphic with or equal to
Logical and
Logical or
Generalized intersection
Generalized union
Diamond
Dot operator
Star operator
Division times
Bowtie
Left normal factor semidirect product
Right normal factor semidirect product
Left semidirect product
Right semidirect product
Reversed tilde
Logical or with dot above
Logical and with dot above
Double subset
Double superset
Double intersection
Double union
Pitchfork
Equal and parallel to
Less-than with dot
Greater-than with dot
Very much less-than
Very much greater-than
Less-than equal to or greater-than
Greater-than equal to or less-than
Equal to or less-than
Equal to or greater-than
Equal to or precedes
Equal to or succeeds
Does not precede or equal
Does not succeed or equal
Not square image of or equal to
Not square original of or equal to
Square image of or not equal to
Square original of or not equal to
Less-than but not equivalent to
Greater-than but not equivalent to
Precedes but not equivalent to
Succeeds but not equivalent to
Not normal subgroup of
Does not contain as normal subgroup
Not normal subgroup of or equal to
Does not contain as normal subgroup or equal
Vertical ellipsis
Midline horizontal ellipsis
Up right diagonal ellipsis
Down right diagonal ellipsis
Element of with long horizontal stroke
Element of with vertical bar at end of horizontal stroke
Small element of with vertical bar at end of horizontal stroke
Element of with dot above
Element of with overbar
Small element of with overbar
Element of with underbar
Element of with two horizontal strokes
Contains with long horizontal stroke
Contains with vertical bar at end of horizontal stroke
Small contains with vertical bar at end of horizontal stroke
Contains with overbar
Contains with underbar
Z notation bag membership
Diameter sign
Electric arrow
House
Up arrowhead
Down arrowhead
Projective
Perspective
Wavy line
Left ceiling
Right ceiling
Left floor
Right floor
Bottom right crop
Bottom left crop
Top right crop
Top left crop
Reversed not sign
Square lozenge
Arc
Segment
Sector
Telephone recorder
Position indicator
Viewdata square
Place of interest sign
Turned not sign
Top left corner