CROSSWORD PUZZLE

2. The logical statements are written on the left side and its corresponding reasons on the right side.
3. It is a method of reasoning in which the premises are viewed as supplying some evidence but not full assurance for the truth of conclusion.
5. altering a statement by converting it to it's negative form.
6. It is a statement drawn from the hypothesis.
8. It is a way of showing the truth or falsehood of a given statement without making any assumptions.
11. It is a logical argument in which statement is supported or justified.
13. It is a statement that is accepted without proof.
14. it is not logically equivalent to the original statement.
15. It is a statement accepted after it is proven deductively.
17. a statement or idea taken to be true and on which an argument or reasoning may be base.
19. A process of reaching a logical conclusion after thinking about all the relevant facts.
20. It is the process of reasoning from one or more statements to reach a logical Conclusion.

1. Instead of showing that the conclusion to be proved is true you show that the entire alternative is false.
4. The logical statements are presented using complete sentences backed up by reason.
7. it is logically equivalent to the original statement.
9. study of formal reasoning based upon statements or propositions.
10. It is a statement which is accepted or known at the beginning.
12. If a point is between two other points on a line addition or subtraction can be used to find a missing measure is called ______________________.
16. A statement presented in justification or explanation of a belief or action or a proof.
18. it is used to find the exact center point between two defined points in a line segment.