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# geometry note review

### geometry logic review

Question | Answer |
---|---|

what is negation? | what changes the truth value(~) |

what is disjuntion? | combing 2 statements using the word or |

what is conjunction? | combing 2 statements using the word and |

what is conditional? | a sentence containing if, then |

what is biconditional? | a sentence using if and only if |

what is a truth value? | true or false basedon a given statement |

logically equivalent is the same as? | contrapositive |

what is converse? | when switch the order or things |

what is inverse? | when you negate(~) both |

what is contrapositive? | when you switch and negate both |

what does ^ mean? | ^ means and or conjunction |

what is the sign for or or disjuntion? | upside down ^ |

what does this sign represent ~ ? | negation |

what does this represent ----> ? | if, then statements |

what does this represent <---> ? | if and only if statements |

what are truth tables? | they are when you compare two truth values and get another truth value |

what are other words to represent ATT? | conjunction & and |

what are other words to represent OFF? | disjunction & or |

what are other words to represent tunafish is false? | conditional & if, then statements |

what are other words to represent BST? | biconditional & if and only if |

how do you setup a 2 circle venn diagram? | draw the 2 circles and label them and in the middle both if they give u a middle number then subtract however much was given on one side by the middle |

how do you set up a 3 circle venn diagram | this is the same as the 2 circle venn diagram except you draw 3 circles and the ones that touch each other are added into the ones that dont touch |

how do you get the percentage? | you take the numbers u need and add those then add all the numbers together and divide those numbers then move the decimal places 2 times to the right |

how do you solve a logical puzzle? | remember the converse, inverse, and contrapositive and there definitions and which order they go in |

how do you complete the last comlumnin a truth table? | depending what its asking you can star and or circle the columns you need and then use your knownledge of conjunctions disjuntions conditional and biconditional. |

Created by:
jackiediller