2. Consequences
(why logic works)

3. if = 3
then 3 – 2 = 1
and 3 – 1 = 2
and = 2
and = 4
reason
logical consequences

4. if = 4
then 3 – 2 = 2
and 3 – 1 = 3
and = 1
and = 3
if these are wrong

5. if = 4
then 3 – 2 = 2
and 3 – 1 = 3
and = 1
and = 3
then this is not a good reason
if these are wrong

6. X is true because it says it is true.
this is the reason

7. X is true because it says it is true.
this means we can believe things that say they are right, if this is true…

8. this means we can believe things that say they are right, if this is true…
that means people never lie & they are never wrong

9. Do people ever lie?
Are people ever wrong?

10. Do people ever lie? YES!
Are people ever wrong? YES!

11. this means we can believe things that say they are right, if this is true…
that means people never lie & they are never wrong

12. this means we can believe things that say they are right, if this is true…
that means people never lie & they are never wrong

13. This is not a good reason.
X is true because it says it is true.
this means we can believe things that say they are right, if this is true…
This is not a good reason.

14. This is not a good reason.
“This website says its information is very reliable so I can trust it.”
This is not a good reason.

15. Millions of people take Vitamin C when they are sick because they know it works. If you have a cold, you should take Vitamin C.
Is this a good reason?

16. In the world, there are
more than 1,000,000,000:
Hindis
Christians
Others
Muslims

17. Everyone believes their own religion is right. They know it is true.
Hindis
Christians
Others
Muslims

18. These religions are mutually exclusive, which means
Hindis
Christians
Others
Muslims

19. if one is true, all of the
others cannot be true
Hindis
Christians
Others
Muslims

20. if one is true, all of the
others cannot be true
Hindis
Christians
Others
Muslims

21. if one is true, all of the
others cannot be true
Hindis
Christians
Others
Muslims

22. people believe something
Just because many, many
people believe something
does not mean it is true.

23. This is not a good reason. The logical consequences show this.
Millions of people take Vitamin C when they are sick because they know it works. If you have a cold, you should take Vitamin C.
This is not a good reason. The logical consequences show this.

25. Practice English & Critical Thinking
In your group, practice logical thinking with real examples from your own writing.

26. Practice English & Critical Thinking
Choose which ones to do, in any order. (A-B-C-D… A-S-F-N)
Do as many as you can.

28. Practice English & Critical Thinking
Talk with your group (in English) and decide if their answers are correct or not.