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Unicode Math Flashcards

1
Q

≜

A

DELTA EQUAL TO
= equiangular
= equal to by definition

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2
Q

≝

A

EQUAL TO BY DEFINITION

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3
Q

≞

A

MEASURED BY

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4
Q

≡

A

IDENTICAL TO

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5
Q

≣

A

STRICTLY EQUIVALENT TO

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6
Q

≬

A

BETWEEN

= plaintiff, quantic

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7
Q

≨

A

LESS-THAN BUT NOT EQUAL TO

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8
Q

≩

A

GREATER-THAN BUT NOT EQUAL TO

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9
Q

≪

A

MUCH LESS-THAN

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10
Q

≫

A

MUCH GREATER-THAN

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11
Q

≭

A

NOT EQUIVALENT TO

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12
Q

≲

A

LESS-THAN OR EQUIVALENT TO

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13
Q

Symbol

A

Name

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14
Q

2200

∀

A

FOR ALL

= universal quantifier

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15
Q

2201

∁

A

COMPLEMENT

→ ʗ latin letter stretched c

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16
Q

2202

∂

A

PARTIAL DIFFERENTIAL

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17
Q

2203

∃

A

THERE EXISTS

= existential quantifier

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18
Q

2204

∄

A

THERE DOES NOT EXIST

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19
Q

2205

∅

A

EMPTY SET
= null set
• used in linguistics to indicate a null morpheme or phonological “zero”

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20
Q

2212

−

A

MINUS SIGN

→ - hyphen-minus

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21
Q

2213

∓

A

MINUS-OR-PLUS SIGN

→ ± plus-minus sign

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22
Q

2214

∔

A

DOT PLUS

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23
Q

2215

∕

A 
DIVISION SLASH
•   generic division operator
→ / solidus
→ ⁄ fraction slash
→ ⟋ mathematical rising diagonal
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24
Q

2216

∖

A

SET MINUS
→ \ reverse solidus
→ ⟍ mathematical falling diagonal
→ ⧵ reverse solidus operator

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25
Q

2217 ∗

A

ASTERISK OPERATOR

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26
Q

2206

∆

A 
INCREMENT
= Laplace operator
= forward difference
= symmetric difference (in set theory)
•   other symbols may also be used for symmetric difference
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27
Q

2218

∘

A

RING OPERATOR
= composite function
= APL jot

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28
Q

2207

∇

A 
NABLA
= backward difference
= gradient, del
•   used for Laplacian operator (written with superscript 2)
→ ▽ white down-pointing triangle
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29
Q

2208

∈

A

ELEMENT OF

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30
Q

2219

∙

A

BULLET OPERATOR
→ · middle dot
→ • bullet
→ ․ one dot leader

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31
Q

221A

√

A

SQUARE ROOT

= radical sign

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32
Q

221B

∛

A

CUBE ROOT

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33
Q

2209

∉

A

NOT AN ELEMENT OF

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34
Q

220A

∊

A

SMALL ELEMENT OF

• originates in math pi fonts; not the straight epsilon

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35
Q

221D

∝

A

PROPORTIONAL TO

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36
Q

220B

∋

A

CONTAINS AS MEMBER

= such that

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37
Q

220C

∌

A

DOES NOT CONTAIN AS MEMBER

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38
Q

220D

∍

A

SMALL CONTAINS AS MEMBER

→ ϶ greek reversed lunate epsilon symbol

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39
Q

221E

∞

A

INFINITY

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40
Q

221F

∟

A

RIGHT ANGLE

= with (in chess notation)

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41
Q

220E

∎

A

END OF PROOF

= q.e.d.

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42
Q

2210

∐

A

N-ARY COPRODUCT

= coproduct sign

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43
Q

2221

∡

A

MEASURED ANGLE

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44
Q

2222

∢

A

SPHERICAL ANGLE

= angle arc

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45
Q

2223

∣

A 
DIVIDES
= such that
= APL stile
→ | vertical line
→ ǀ latin letter dental click
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46
Q

2224

∤

A

DOES NOT DIVIDE

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47
Q

223B

∻

A

HOMOTHETIC

→ ⩫ tilde operator with rising dots

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48
Q

223C

∼

A 
TILDE OPERATOR
= varies with (proportional to)
= difference between
= similar to
= not
= cycle
= APL tilde
→ ~ tilde
→ ¬ not sign
→ ˜ small tilde
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49
Q

223D

∽

A

REVERSED TILDE
= lazy S
• reversed tilde and lazy S are glyph variants

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50
Q

223E

∾

A

INVERTED LAZY S

= most positive

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51
Q

223F

∿

A

SINE WAVE

= alternating current

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52
Q

2240

≀

A

WREATH PRODUCT

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53
Q

2241

≁

A

NOT TILDE

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54
Q

2242

≂

A

MINUS TILDE

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55
Q

2243

≃

A

ASYMPTOTICALLY EQUAL TO

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56
Q

2244

≄

A

NOT ASYMPTOTICALLY EQUAL TO

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57
Q

2245

≅

A

APPROXIMATELY EQUAL TO

→ ⩰ approximately equal or equal to

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58
Q

2246

≆

A

APPROXIMATELY BUT NOT ACTUALLY EQUAL TO

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59
Q

2234

∴

A

THEREFORE

→ ⛬ historic site

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60
Q

2235

∵

A

BECAUSE

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61
Q

2236

∶

A

RATIO

• preferred to : for denotation of division or scale in mathematical use

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62
Q

2247

≇

A

NEITHER APPROXIMATELY NOR ACTUALLY EQUAL TO

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63
Q

2248

≈

A

ALMOST EQUAL TO

= asymptotic to

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64
Q

2249

≉

A

NOT ALMOST EQUAL TO

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65
Q

224A

≊

A

ALMOST EQUAL OR EQUAL TO

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66
Q

224C

≌

A

ALL EQUAL TO

• reversed tilde and lazy S are glyph variants

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67
Q

224D

≍

A

EQUIVALENT TO

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68
Q

224E

≎

A

GEOMETRICALLY EQUIVALENT TO

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69
Q

224F

≏

A

DIFFERENCE BETWEEN

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70
Q

2250

≐

A

APPROACHES THE LIMIT

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71
Q

2251

≑

A

GEOMETRICALLY EQUAL TO

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72
Q

2237

∷

A

PROPORTION

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73
Q

2252

≒

A

APPROXIMATELY EQUAL TO OR THE IMAGE OF

= nearly equals

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74
Q

2253

≓

A

IMAGE OF OR APPROXIMATELY EQUAL TO

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75
Q

2238

∸

A

DOT MINUS
= saturating subtraction
• sometimes claimed as notation for symmetric set difference, but ∆ is preferred

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76
Q

2239

∹

A

EXCESS

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77
Q

223A

∺

A

GEOMETRIC PROPORTION

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78
Q

2254

≔

A

COLON EQUALS

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79
Q

2255

≕

A

EQUALS COLON

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80
Q

2256

≖

A

RING IN EQUAL TO

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81
Q

2257

≗

A

RING EQUAL TO

= approximately equal to

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82
Q

2258

≘

A

CORRESPONDS TO

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83
Q

2259

≙

A

ESTIMATES

= corresponds to

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84
Q

225A

≚

A

EQUIANGULAR TO

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85
Q

225B

≛

A

STAR EQUALS

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86
Q

225C

≜

A

DELTA EQUAL TO
= equiangular
= equal to by definition

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87
Q

225D

≝

A

EQUAL TO BY DEFINITION

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88
Q

225E

≞

A

MEASURED BY

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89
Q

225F

≟

A

QUESTIONED EQUAL TO

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90
Q

2260

≠

A

NOT EQUAL TO

→ = equals sign

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91
Q

2261

≡

A

IDENTICAL TO

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92
Q

2262

≢

A

NOT IDENTICAL TO

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93
Q

2263

≣

A

STRICTLY EQUIVALENT TO

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94
Q

2264

≤

A

LESS-THAN OR EQUAL TO

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95
Q

2265

≥

A

GREATER-THAN OR EQUAL TO

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96
Q

2266

≦

A

LESS-THAN OVER EQUAL TO

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97
Q

2267

≧

A

GREATER-THAN OVER EQUAL TO

98
Q

2268

≨

A

LESS-THAN BUT NOT EQUAL TO

⁓ ≨ with vertical stroke

99
Q

2269

≩

A

GREATER-THAN BUT NOT EQUAL TO

⁓ ≩ with vertical stroke

100
Q

226A

≪

A

MUCH LESS-THAN

→ « left-pointing double angle quotation mark

101
Q

226B

≫

A

MUCH GREATER-THAN

→ » right-pointing double angle quotation mark

102
Q

226C

≬

A

BETWEEN

= plaintiff, quantic

103
Q

226D

≭

A

NOT EQUIVALENT TO

104
Q

227C

≼

A

PRECEDES OR EQUAL TO

105
Q

227D

≽

A

SUCCEEDS OR EQUAL TO

106
Q

227E

≾

A

PRECEDES OR EQUIVALENT TO

107
Q

227F

≿

A

SUCCEEDS OR EQUIVALENT TO

108
Q

2280

⊀

A

DOES NOT PRECEDE

109
Q

2281

⊁

A

DOES NOT SUCCEED

110
Q

2282

⊂

A

SUBSET OF

= included in set

111
Q

2283

⊃

A

SUPERSET OF

= includes in set

112
Q

2284

⊄

A

NOT A SUBSET OF

113
Q

2285

⊅

A

NOT A SUPERSET OF

114
Q

2286

⊆

A

SUBSET OF OR EQUAL TO

115
Q

2287

⊇

A

SUPERSET OF OR EQUAL TO

116
Q

2288

⊈

A

NEITHER A SUBSET OF NOR EQUAL TO

117
Q

2289

⊉

A

NEITHER A SUPERSET OF NOR EQUAL TO

118
Q

228A

⊊

A

SUBSET OF WITH NOT EQUAL TO

⁓ ⊊ with stroke through bottom members

119
Q

228B

⊋

A

SUPERSET OF WITH NOT EQUAL TO

⁓ ⊋ with stroke through bottom members

120
Q

228C

⊌

121
Q

228D

⊍

A

MULTISET MULTIPLICATION
→ ⨃ n-ary union operator with dot
→ ⩀ intersection with dot

122
Q

228E

⊎

A

MULTISET UNION

= z notation bag addition

123
Q

2270

≰

A

NEITHER LESS-THAN NOR EQUAL TO

→ ⨄ n-ary union operator with plus

124
Q

228F

⊏

A

SQUARE IMAGE OF

125
Q

2272

≲

A

LESS-THAN OR EQUIVALENT TO

⁓ ≲ following the slant of the lower leg

126
Q

2273

≳

A

GREATER-THAN OR EQUIVALENT TO

⁓ ≳ following the slant of the lower leg

127
Q

2274

≴

A

NEITHER LESS-THAN NOR EQUIVALENT TO

128
Q

2275

≵

A

NEITHER GREATER-THAN NOR EQUIVALENT TO

129
Q

2276

≶

A

LESS-THAN OR GREATER-THAN

130
Q

2277

≷

A

GREATER-THAN OR LESS-THAN

131
Q

2278

≸

A

NEITHER LESS-THAN NOR GREATER-THAN

132
Q

2279

≹

A

NEITHER GREATER-THAN NOR LESS-THAN

133
Q

2290

⊐

A

SQUARE ORIGINAL OF

134
Q

2291

⊑

A

SQUARE IMAGE OF OR EQUAL TO

135
Q

2292

⊒

A

SQUARE ORIGINAL OF OR EQUAL TO

136
Q

2293

⊓

A

SQUARE CAP

→ ⨅ n-ary square intersection operator

137
Q

2294

⊔

A

SQUARE CUP

→ ⨆ n-ary square union operator

138
Q

2295

⊕

A

CIRCLED PLUS
= direct sum
= vector pointing into page

139
Q

227A

≺

A

PRECEDES
= lower rank than
→ ⊰ precedes under relation

140
Q

227B

≻

A

SUCCEEDS
= higher rank than
→ ⊱ succeeds under relation

141
Q

2296

⊖

A

CIRCLED MINUS

= symmetric difference

142
Q

2297

⊗

A 
CIRCLED TIMES
= tensor product
= vector pointing into page
→ ⛒ circled crossing lanes
→ ⨂ n-ary circled times operator
→ ⮾ circled x
⁓ ⊗ with white rim
143
Q

2298

⊘

A

CIRCLED DIVISION SLASH

144
Q

2299

⊙

A

CIRCLED DOT OPERATOR
= direct product
= vector pointing out of page

145
Q

229A

⊚

A

CIRCLED RING OPERATOR

→ ⌾ apl functional symbol circle jot

146
Q

229B

⊛

A

CIRCLED ASTERISK OPERATOR

→ ⍟ apl functional symbol circle star

147
Q

229C

⊜

A

CIRCLED EQUALS
= NoDerivatives (symbol used for Creative Commons licenses)
⁓ ⊜ with equal sign touching the circle

148
Q

229D

⊝

A

CIRCLED DASH

149
Q

229E

⊞

A

SQUARED PLUS

150
Q

229F

⊟

A

SQUARED MINUS

151
Q

22A0

⊠

A

SQUARED TIMES
→ ☒ ballot box with x
→ ⛝ squared saltire
→ 🝱 alchemical symbol for month

152
Q

22A1

⊡

A

SQUARED DOT OPERATOR

153
Q

22AD

⊭

154
Q

22AE

⊮

A

DOES NOT FORCE

155
Q

22AF

⊯

A

NEGATED DOUBLE VERTICAL BAR DOUBLE RIGHT TURNSTILE

156
Q

22B0

⊰

A

PRECEDES UNDER RELATION

→ ≺ precedes

157
Q

22B1

⊱

A

SUCCEEDS UNDER RELATION

→ ≻ succeeds

158
Q

22B2

⊲

A

NORMAL SUBGROUP OF

→ ◅ white left-pointing pointer

159
Q

22B3

⊳

A

CONTAINS AS NORMAL SUBGROUP

→ ▻ white right-pointing pointer

160
Q

22B4

⊴

A

NORMAL SUBGROUP OF OR EQUAL TO

161
Q

22B5

⊵

A

CONTAINS AS NORMAL SUBGROUP OR EQUAL TO

162
Q

22B6

⊶

A

ORIGINAL OF

163
Q

22B7

⊷

164
Q

22B8

⊸

165
Q

22B9

⊹

A

HERMITIAN CONJUGATE MATRIX

166
Q

22BA

⊺

A

INTERCALATE

167
Q

22BB

⊻

A

XOR

→ ⚺ semisextile

168
Q

22BC

⊼

A

NAND

→ ⌅ projective

169
Q

22BD

⊽

170
Q

22A2

⊢

A

RIGHT TACK
= turnstile
= proves, implies, yields
= reducible

171
Q

22A3

⊣

A

LEFT TACK
= reverse turnstile
= non-theorem, does not yield

172
Q

22BE

⊾

A

RIGHT ANGLE WITH ARC

173
Q

22BF

⊿

A

RIGHT TRIANGLE

174
Q

22C0

⋀

A

N-ARY LOGICAL AND

• also used to denote the universal quantifier

175
Q

22C1

⋁

A

N-ARY LOGICAL OR

176
Q

22A4

⊤

A

DOWN TACK
= top
→ ⸆ raised interpolation marker
→ 🝨 alchemical symbol for crucible-4

177
Q

22A5

⊥

A

UP TACK
= base, bottom
→ ⟂ perpendicular

178
Q

22A6

⊦

A

ASSERTION

= reduces to

179
Q

22A7

⊧

180
Q

22A8

⊨

A 
TRUE
= statement is true, valid
= is a tautology
= satisfies
= results in
181
Q

22A9

⊩

182
Q

22AB

⊫

A

DOUBLE VERTICAL BAR DOUBLE RIGHT

• also used to denote the existential quantifier

183
Q

22C2

⋂

A

N-ARY INTERSECTION

= z notation generalised intersection

184
Q

22C3

⋃

A

N-ARY UNION

= z notation generalised union

185
Q

22C4

⋄

A

DIAMOND OPERATOR
→ ◇ white diamond
→ ⬩ black small diamond

186
Q

22C5

⋅

A

DOT OPERATOR
• preferred to · for denotation of multiplication
→ · middle dot

187
Q

22C6

⋆

A

STAR OPERATOR
• APL
→ arabic five pointed star
→ ★ black star

188
Q

22AC

⊬

A

DOES NOT PROVE

189
Q

22C7

⋇

A

DIVISION TIMES

190
Q

22C8

⋈

A

BOWTIE

→ ⑅ ocr bow tie

191
Q

22C9

⋉

A

LEFT NORMAL FACTOR SEMIDIRECT PRODUCT

192
Q

22CA

⋊

A

RIGHT NORMAL FACTOR SEMIDIRECT PRODUCT

193
Q

22CB

⋋

A

LEFT SEMIDIRECT PRODUCT

194
Q

22CC

⋌

A

RIGHT SEMIDIRECT PRODUCT

→ ⁁ caret insertion point

195
Q

22CD

⋍

A

REVERSED TILDE EQUALS

196
Q

22CE

⋎

A

CURLY LOGICAL OR

197
Q

22CF

⋏

A

CURLY LOGICAL AND

198
Q

22D0

⋐

A

DOUBLE SUBSET

199
Q

22ED

⋭

A

DOES NOT CONTAIN AS NORMAL SUBGROUP OR EQUAL

200
Q

22EE

⋮

A

VERTICAL ELLIPSIS

→ ⁝ tricolon

201
Q

22EF

⋯

A

MIDLINE HORIZONTAL ELLIPSIS
→ … horizontal ellipsis
→ presentation form for vertical horizontal ellipsis

202
Q

22F0

⋰

A

UP RIGHT DIAGONAL ELLIPSIS

203
Q

22F1

⋱

A

DOWN RIGHT DIAGONAL ELLIPSIS

204
Q

22F2

⋲

A

ELEMENT OF WITH LONG HORIZONTAL STROKE

205
Q

22F3

⋳

A

ELEMENT OF WITH VERTICAL BAR AT END OF

206
Q

22D1

⋑

A

DOUBLE SUPERSET

207
Q

22D2

⋒

A

DOUBLE INTERSECTION

208
Q

22D3

⋓

A

DOUBLE UNION

209
Q

22D4

⋔

A

PITCHFORK

= proper intersection

210
Q

22F5

⋵

A

ELEMENT OF WITH DOT ABOVE

211
Q

22F6

⋶

A

ELEMENT OF WITH OVERBAR

212
Q

22F7

⋷

A

SMALL ELEMENT OF WITH OVERBAR

213
Q

22F8

⋸

A

ELEMENT OF WITH UNDERBAR

214
Q

22F9

⋹

A

ELEMENT OF WITH TWO HORIZONTAL

215
Q

22D5

⋕

A

EQUAL AND PARALLEL TO

→ ⌗ viewdata square

216
Q

22D6

⋖

A

LESS-THAN WITH DOT

217
Q

22D8

⋘

A

VERY MUCH LESS-THAN

218
Q

22D9

⋙

A

VERY MUCH GREATER-THAN

219
Q

22DA

⋚

A

LESS-THAN EQUAL TO OR GREATER-THAN

⁓ ⋚ with slanted equal

220
Q

22DB

⋛

A

GREATER-THAN EQUAL TO OR LESS-THAN

⁓ ⋛ with slanted equal

221
Q

22DC

⋜

A

EQUAL TO OR LESS-THAN

222
Q

22DD

⋝

A

EQUAL TO OR GREATER-THAN

223
Q

22DE

⋞

A

EQUAL TO OR PRECEDES

224
Q

22DF

⋟

A

EQUAL TO OR SUCCEEDS

225
Q

22E0

⋠

A

DOES NOT PRECEDE OR EQUAL

226
Q

22E1

⋡

A

DOES NOT SUCCEED OR EQUAL

227
Q

22E2

⋢

A

NOT SQUARE IMAGE OF OR EQUAL TO

228
Q

22E3

⋣

A

NOT SQUARE ORIGINAL OF OR EQUAL TO

229
Q

22E4

⋤

A

SQUARE IMAGE OF OR NOT EQUAL TO

230
Q

22E5

⋥

A

SQUARE ORIGINAL OF OR NOT EQUAL TO

231
Q

22E6

⋦

A

LESS-THAN BUT NOT EQUIVALENT TO

232
Q

22E7

⋧

A

GREATER-THAN BUT NOT EQUIVALENT TO

233
Q

22E8

⋨

A

PRECEDES BUT NOT EQUIVALENT TO

234
Q

22E9

⋩

A

SUCCEEDS BUT NOT EQUIVALENT TO

235
Q

22EA

⋪

A

NOT NORMAL SUBGROUP OF

236
Q

22EB

⋫

A

DOES NOT CONTAIN AS NORMAL SUBGROUP

237
Q

22EC

⋬

A

NOT NORMAL SUBGROUP OF OR EQUAL TO

238
Q

22FC

⋼

A

SMALL CONTAINS WITH VERTICAL BAR AT END OF HORIZONTAL STROKE

239
Q

22FD

⋽

A

CONTAINS WITH OVERBAR

240
Q

22FE

⋾

A

SMALL CONTAINS WITH OVERBAR

241
Q

22FF

⋿

A

Z NOTATION BAG MEMBERSHIP

Symbols (4 decks)

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