**Math Symbols List (+,-,x,/,=,...) - RapidTables.com**
https://www.rapidtables.com/math/symbols/Basic_Math_Symbols.html

Symbol Symbol Name Meaning / definition Example { } set: a collection of elements: A = {3,7,9,14}, B = {9,14,28} A ∩ B: intersection: objects that belong to set A and set B: A ∩ B = {9,14} A ∪ B: union: objects that belong to set A or set B: A ∪ B = {3,7,9,14,28} A ⊆ B: subset: A is a subset of B. set A is included in set B. {9,14,28 ...

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