Symbol | Name | Explanation |

| implies |
B: Sao Paulo is a Brazilian city
Ex: if the statement before it is true, then the statement on your right will also be true. For example, " .Sao Paulo is a Brazilian city |

| | such that | Ex: R + = {x R | x ³ 0} means that R + is the set of real numbers such that these numbers are greater than or equal to zero. |

or (of course) | Ex: P what Jose likes to play soccer or tennis. | |

it is logical) | Ex: P what Claudia has a dog and a cat. | |

~ | negation (logic) | Ex: |

n! | n factorial | The definition of Ex: For n = 6, we would have: n! = 6 * 5 * 4 * 3 * 2 * 1 |

pi number | The number It is defined as the ratio between the circumference of a circle and its diameter. But this number has other personalities. It is also an irrational number and a transcendent number. = 3,141592653… | |

infinite | The "eight lying down" represents infinity. This symbol was created by the English mathematician John Wallis (1616-1703) to represent "Arithmetic Infinitorum". | |

summation | The kth partial sum of the series it's S Ex: The | |

integral | There are several integration rules. Example of one of the rules: The sine integral is "minus" the cosine "plus" the constant | |

lim | limit | Ex: Indicates that 3 is the limit of function 2x + 1 when x tends to 1. |

log | logarithm | Ex: log The logarithm of 8 in base 2 is 3, because by raising 2 to exponent 3 we get 8. Never forget, if you have no logarithm base, we define it as base 10. |

ln | neperian logarithm | natural logarithm log Neperian logarithm is the logarithm whose base is the number "e". e = 2.718281828… Ex: log because is |

conclusion (therefore) | Pronounces soon…, therefore… or in conclusion… The symbol consists of three points forming a triangle. It is written before a logical conclusion, being widely used in mathematics and also as an abbreviation. Example: |