Symbol |
Symbol Name |
Meaning/Definition |
Example |

1) ⋅ | And | And | a ⋅ b |

2) ^ | Caret/Circumflex | And | a ^ b |

3) & | Ampersand | And | p & q |

4) + | Plus | Or | o + m |

5) ⋁ | Reversed caret | Or | p ⋁ q |

6) ∣ | Vertical line | Or | x ∣ y |

7) ' | Single quote | Not negation | p' |

8) ^{ - } |
Bar | Not negation | p^{-} |

9) ¬ | Not | Not negation | ¬ o |

10) ! | Exclamation mark | Not negation | !x |

11) ⊕ | Circled plus/ oplus | Exclusive or - xor | p ⊕ r |

12) ˜ | Tilde | Negation | ˜x |

13) ⇒ | Implies | ||

14) ⇔ | If and only if | ||

15) ∀ | For all | ||

16) ∃ | There exists | ||

17) ∄ | There does not exists | ||

18) ∴ | Therefore | ||

19) ∵ | Because/ Since |

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