What is it called when someone contradicts themselves?

Related questions

1. What is critical thinking in your own words?
2. Can you start a sentence with anyways?
3. What is the most offensive word?
4. What does it mean to be exclusive?
5. Does anyways exist?
6. What are soft and hard words?
7. Which is correct grammar goodnight or good night?
8. How do you punctuate whereas?
9. What is diversity in simple words?
10. What does contrarily mean?

Tags

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2. #seems
3. #hypocritical
4. #sometimes
5. #cretans
6. #intended
7. #music
8. #humorous
9. #phrase
10. #something
11. #contradicts
12. #paradox
13. #oxymoron
14. #describe
15. #itself
16. #military
17. #cretan
18. #intelligence