Disjunction - TEST

1.

  Which of the following sentences is a disjunction?


                                           Začátek formuláře

  (_) Amy played soccer or Bill played hockey.
  (_) Amy played soccer and Bill played hockey.
  (_) Amy did not play soccer and Bill played hockey.
  (_) None of the above.

  RESULTS BOX:
  _____________________________________________

                                            Konec formuláře


2.

Which of the following statements is a disjunction?


                                         Začátek formuláře

(_) ~x
https://www.mathgoodies.com/sites/all/modules/custom/lessons/images/symbolic_logic/images/and.gif y
(_) x
https://www.mathgoodies.com/sites/all/modules/custom/lessons/images/symbolic_logic/images/and.gif y
(_) x
https://www.mathgoodies.com/sites/all/modules/custom/lessons/images/symbolic_logic/images/or.gif y
(_) None of the above.

RESULTS BOX:
_____________________________________________

                                          Konec formuláře


3.

  A disjunction is used with which connector?


                                           Začátek formuláře

  (_) And
  (_) Or
  (_) Not
  (_) None of the above.

  RESULTS BOX:
  _____________________________________________

                                            Konec formuláře


4.

  If a is false and b is true, what is the truth value of a
  https://www.mathgoodies.com/sites/all/modules/custom/lessons/images/symbolic_logic/images/or.gif
  ~b?


                                           Začátek formuláře

  (_) True
  (_) False
  (_) Not enough information was given
  (_) None of the above.

  RESULTS BOX:
  _____________________________________________

                                            Konec formuláře


5.

Given:

        r: y is prime.

        s: y is even.

Problem:

        Which of the following is a true statement when y is replaced by 3?


                                         Začátek formuláře

(_) r
https://www.mathgoodies.com/sites/all/modules/custom/lessons/images/symbolic_logic/images/or.gif ~s
(_) r
https://www.mathgoodies.com/sites/all/modules/custom/lessons/images/symbolic_logic/images/and.gif
~s
(_) r
https://www.mathgoodies.com/sites/all/modules/custom/lessons/images/symbolic_logic/images/or.gif s
(_) All of the above.

RESULTS BOX:
_____________________________________________

                                          Konec formuláře