CSCI 250 Spring 2012
Discrete Structures
Archived Class
Charles Cusack
Computer Science
Hope College
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Bible verses and Logic

  • Is this passage logically consistent? "One of Crete’s own prophets has said it: 'Cretans are always liars, evil brutes, lazy gluttons.' This saying is true." Titus 1:12-13
  • The following verses use the terms all and every. For each one, determine whether or not the entire universe of discourse is being referred to. (In other words, when is "always" not "always"?)
    • "So God created the great creatures of the sea and every living thing with which the water teems and that moves about in it, according to their kinds, and every winged bird according to its kind. And God saw that it was good." Genesis 1:21
    • "Having lost all sensitivity, they have given themselves over to sensuality so as to indulge in every kind of impurity, and they are full of greed." Ephesians 4:19
    • "Every good and perfect gift is from above, coming down from the Father of the heavenly lights, who does not change like shifting shadows." James 1:17
    • "Everyone has heard about your obedience, so I rejoice because of you; but I want you to be wise about what is good, and innocent about what is evil." Romans 16:19
    • "Do not treat prophecies with contempt but test them all; hold on to what is good, reject every kind of evil." 1 Thessalonians 5:20-22
    • All have turned away, they have together become worthless; there is no one who does good, not even one." Romans 3:12
    • "Nevertheless, the one who receives instruction in the word should share all good things with their instructor." Galatians 6:6
  • Sometimes people say that God does not give us bad things (or that he only gives us good things), using James 1:17 (above) to justify their position. Is this a valid argument?