Unit 2 Logic and Reasoning

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Across
  1. 4. a statement that can be written in the form "If (hypothesis) then (conclusion)" where the truth of the hypothesis implies the truth of the conclusion
  2. 7. an expression of an opinion or theory without evidence or proof
  3. 8. this occurs when the word "not" is inserted into a simple statement
  4. 9. a fact or statement that is supplied and may be considered to be true
  5. 10. a statement formed by interchanging the hypothesis and conclusion of a conditional statement
  6. 11. a set of statements which build on each other logically to support the truth of a conjecture or hypothesis
  7. 12. a statement formed by the negation of both the hypothesis and the conclusion of a conditional statement
Down
  1. 1. a method of drawing conclusions by stating facts that build on one another to lead to a conclusion
  2. 2. an example that disproves a conditional statement
  3. 3. a statement formed by negating both the hypothesis and conclusion of the converse of a conditional statement
  4. 5. a method of drawing conclusions by inferring from a set of general facts
  5. 6. a method of reasoning that involves a series of statements, each of which must be true if the statement before it is true