2200: For All: universal quantifier 2201: Complement 2202: Partial Differential 2203: There Exists: existential quantifier 2204: There Does Not Exist 2205: Empty Set: null set 2206: Increment: laplace operator , forward difference , symmetric difference (in set theory) 2207: Nabla: backward difference , gradient, del 2208: Element Of 2209: Not an Element Of 220A: Small Element Of 220B: Contains As Member: such that 220C: Does Not Contain As Member 220D: Small Contains As Member 220E: End of Proof: q.e.d. 220F: N-Ary Product: product sign 2210: N-Ary Coproduct: coproduct sign 2211: N-Ary Summation: summation sign 2212: Minus Sign 2213: Minus-or-Plus Sign 2214: Dot Plus 2215: Division Slash 2216: Set Minus 2217: Asterisk Operator 2218: Ring Operator: composite function , apl jot 2219: Bullet Operator 221A: Square Root: radical sign 221B: Cube Root 221C: Fourth Root 221D: Proportional To 221E: Infinity 221F: Right Angle 2220: Angle 2221: Measured Angle 2222: Spherical Angle: angle arc 2223: Divides: such that , apl stile 2224: Does Not Divide 2225: Parallel To 2226: Not Parallel To 2227: Logical And: wedge, conjunction 2228: Logical Or: vee, disjunction 2229: Intersection: cap, hat 222A: Union: cup 222B: Integral 222C: Double Integral 222D: Triple Integral 222E: Contour Integral 222F: Surface Integral 2230: Volume Integral 2231: Clockwise Integral 2232: Clockwise Contour Integral 2233: Anticlockwise Contour Integral 2234: Therefore 2235: Because 2236: Ratio 2237: Proportion 2238: Dot Minus: saturating subtraction 2239: Excess 223A: Geometric Proportion 223B: Homothetic 223C: Tilde Operator: varies with (proportional to) , difference between , similar to , not , cycle , apl tilde 223D: Reversed Tilde: lazy s 223E: Inverted Lazy S: most positive 223F: Sine Wave: alternating current 2240: Wreath Product 2241: Not Tilde 2242: Minus Tilde 2243: Asymptotically Equal To 2244: Not Asymptotically Equal To 2245: Approximately Equal To 2246: Approximately But Not Actually Equal To 2247: Neither Approximately nor Actually Equal To 2248: Almost Equal To: asymptotic to 2249: Not Almost Equal To 224A: Almost Equal or Equal To 224B: Triple Tilde: Libra 224C: All Equal To 224D: Equivalent To 224E: Geometrically Equivalent To 224F: Difference Between 2250: Approaches the Limit 2251: Geometrically Equal To 2252: Approximately Equal To or the Image Of: nearly equals 2253: Image of or Approximately Equal To 2254: Colon Equals 2255: Equals Colon 2256: Ring In Equal To 2257: Ring Equal To: approximately equal to 2258: Corresponds To 2259: Estimates: corresponds to 225A: Equiangular To 225B: Star Equals 225C: Delta Equal To: equiangular , equal to by definition 225D: Equal To By Definition 225E: Measured By 225F: Questioned Equal To 2260: Not Equal To 2261: Identical To 2262: Not Identical To 2263: Strictly Equivalent To 2264: Less-Than or Equal To 2265: Greater-Than or Equal To 2266: Less-Than Over Equal To 2267: Greater-Than Over Equal To 2268: Less-Than But Not Equal To 2269: Greater-Than But Not Equal To 226A: Much Less-Than 226B: Much Greater-Than 226C: Between: plaintiff, quantic 226D: Not Equivalent To 226E: Not Less-Than 226F: Not Greater-Than 2270: Neither Less-Than nor Equal To 2271: Neither Greater-Than nor Equal To 2272: Less-Than or Equivalent To 2273: Greater-Than or Equivalent To 2274: Neither Less-Than nor Equivalent To 2275: Neither Greater-Than nor Equivalent To 2276: Less-Than or Greater-Than 2277: Greater-Than or Less-Than 2278: Neither Less-Than nor Greater-Than 2279: Neither Greater-Than nor Less-Than 227A: Precedes: lower rank than 227B: Succeeds: higher rank than 227C: Precedes or Equal To 227D: Succeeds or Equal To 227E: Precedes or Equivalent To 227F: Succeeds or Equivalent To 2280: Does Not Precede 2281: Does Not Succeed 2282: Subset Of: included in set 2283: Superset Of: includes in set 2284: Not a Subset Of 2285: Not a Superset Of 2286: Subset of or Equal To 2287: Superset of or Equal To 2288: Neither a Subset of nor Equal To 2289: Neither a Superset of nor Equal To 228A: Subset of with Not Equal To 228B: Superset of with Not Equal To 228C: Multiset 228D: Multiset Multiplication 228E: Multiset Union: z notation bag addition 228F: Square Image Of 2290: Square Original Of 2291: Square Image of or Equal To 2292: Square Original of or Equal To 2293: Square Cap 2294: Square Cup 2295: Circled Plus: direct sum , vector pointing into page , XOR sum 2296: Circled Minus: symmetric difference 2297: Circled Times: tensor product , vector pointing into page 2298: Circled Division Slash: ban, disable 2299: Circled Dot Operator: direct product , vector pointing out of page 229A: Circled Ring Operator 229B: Circled Asterisk Operator: New Year, Christmas 229C: Circled Equals 229D: Circled Dash 229E: Squared Plus 229F: Squared Minus 22A0: Squared Times 22A1: Squared Dot Operator 22A2: Right Tack: turnstile , proves, implies, yields , reducible 22A3: Left Tack: reverse turnstile , non-theorem, does not yield 22A4: Down Tack: top 22A5: Up Tack: base, bottom 22A6: Assertion: reduces to 22A7: Models 22A8: True: statement is true, valid , is a tautology , satisfies , results in 22A9: Forces 22AA: Triple Vertical Bar Right Turnstile 22AB: Double Vertical Bar Double Right Turnstile 22AC: Does Not Prove 22AD: Not True 22AE: Does Not Force 22AF: Negated Double Vertical Bar Double Right Turnstile 22B0: Precedes Under Relation 22B1: Succeeds Under Relation 22B2: Normal Subgroup Of 22B3: Contains As Normal Subgroup 22B4: Normal Subgroup of or Equal To 22B5: Contains As Normal Subgroup or Equal To 22B6: Original Of 22B7: Image Of 22B8: Multimap 22B9: Hermitian Conjugate Matrix 22BA: Intercalate 22BB: Xor 22BC: Nand 22BD: Nor 22BE: Right Angle with Arc 22BF: Right Triangle 22C0: N-Ary Logical And 22C1: N-Ary Logical Or 22C2: N-Ary Intersection: z notation generalised intersection 22C3: N-Ary Union: z notation generalised union 22C4: Diamond Operator 22C5: Dot Operator 22C6: Star Operator 22C7: Division Times 22C8: Bowtie 22C9: Left Normal Factor Semidirect Product 22CA: Right Normal Factor Semidirect Product 22CB: Left Semidirect Product 22CC: Right Semidirect Product 22CD: Reversed Tilde Equals 22CE: Curly Logical Or 22CF: Curly Logical And 22D0: Double Subset 22D1: Double Superset 22D2: Double Intersection 22D3: Double Union 22D4: Pitchfork: proper intersection 22D5: Equal and Parallel To 22D6: Less-Than with Dot 22D7: Greater-Than with Dot 22D8: Very Much Less-Than 22D9: Very Much Greater-Than 22DA: Less-Than Equal To or Greater-Than 22DB: Greater-Than Equal To or Less-Than 22DC: Equal To or Less-Than 22DD: Equal To or Greater-Than 22DE: Equal To or Precedes 22DF: Equal To or Succeeds 22E0: Does Not Precede or Equal 22E1: Does Not Succeed or Equal 22E2: Not Square Image of or Equal To 22E3: Not Square Original of or Equal To 22E4: Square Image of or Not Equal To 22E5: Square Original of or Not Equal To 22E6: Less-Than But Not Equivalent To 22E7: Greater-Than But Not Equivalent To 22E8: Precedes But Not Equivalent To 22E9: Succeeds But Not Equivalent To 22EA: Not Normal Subgroup Of 22EB: Does Not Contain As Normal Subgroup 22EC: Not Normal Subgroup of or Equal To 22ED: Does Not Contain As Normal Subgroup or Equal 22EE: Vertical Ellipsis 22EF: Midline Horizontal Ellipsis 22F0: Up Right Diagonal Ellipsis 22F1: Down Right Diagonal Ellipsis 22F2: Element of with Long Horizontal Stroke 22F3: Element of with Vertical Bar At End of Horizontal Stroke 22F4: Small Element of with Vertical Bar At End of Horizontal Stroke 22F5: Element of with Dot Above 22F6: Element of with Overbar 22F7: Small Element of with Overbar 22F8: Element of with Underbar 22F9: Element of with Two Horizontal Strokes 22FA: Contains with Long Horizontal Stroke 22FB: Contains with Vertical Bar At End of Horizontal Stroke 22FC: Small Contains with Vertical Bar At End of Horizontal Stroke 22FD: Contains with Overbar 22FE: Small Contains with Overbar 22FF: Z Notation Bag Membership