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# Logic review cards

### cards reviewing logic

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

What is it called when you make something the opposite of what it is | Negation. |

What is disjunction? | A sentence using or. |

What is conjunction? | A sentence using and. |

What is conditional? | A sentence using the words If....Then.. |

What is Biconditional? | A sentence using "If and only if" |

What is Truth value? | If a statement is true or false. |

What is Logically equivalent? | If their truth values are the same. |

What is converse? | When you switch the order |

What is Inverse? | When You make both negative. |

What is contrapositive? | Switch and negate both. |

What is the and symbol? | ^ |

What is the or symbol? | V |

What is the negation symbol? | ~ |

What id the conditional symbol? | -----> |

What is the biconditional symbol? | <------> |

What is a truth table? | A table showing the summary of the truth values |

When is a conjunction true? | When both are true: "ATT" |

When is a disjunction false? | When both are false: OFF |

When is a conditional false? | When true pints to false: "Tuna fish is false" |

When is a biconditional true? | When both truth values are the same: BST. |

How do you set up a 2 circle venn diagram? | Make 2 circles that overlap each other. |

How do you set up a 3 circle venn diagram? | Make 3 circles that overlap each other. |

How do you get the percentage? | Get the how much out of the total and multiply by one hundred. |

How do you solve a logic puzzle? | Use a chart and mark off what you are trying to figure out with an X or a check. |

How do you complete the last column in a truth table? | By Finding out both truth values and look at the symbol and solve. |

Created by:
KristinAdams