https://www.nicovideo.jp/watch/sm33451523 https://www.youtube.com/watch?v=0KQYlxS5iQs&t=6s

2. “Never think that war, no matter how necessary,
nor how justified, is not a crime.”
— Ernest Hemingway —

6. ❌ ❌

7. A N A N

8. A N A N

9. A N A N

10. A N1 A N2

11. A N1 A N2

12. A N1 A N2

13. A N1 A N2

14. A N1 A N2

15. A N1-N2
A N1 A N2
(−1) *
1
2
+ (−2) *
1
2
= −
3
2

16. A N1-N2
A N1 A N2
(−2) *
1
2
+ (−3) *
1
2
= −
5
2

17. A N1-N2
A N1 A N2
(−1) *
1
2
+ (0) *
1
2
= −
1
2

18. A N1-N2
A N1 A N2
(3) *
1
2
+ (−1) *
1
2
= 1

19. A N1-N2
A N1 A N2

20. A N1-N2
A N1 A N2

21. A N1-N2
A N1 A N2
2p ≤ 4p − 1 ⇔ p ≥
1
2

25.
f : T ! A<latexit sha1_base64="6HzD0+DWAtndH8VWASrh9wxZ/z8=">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</latexit><latexit sha1_base64="6HzD0+DWAtndH8VWASrh9wxZ/z8=">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</latexit><latexit sha1_base64="zhXl0XOBNRKw8unhj8zi4uv0OC8=">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</latexit><latexit sha1_base64="zhXl0XOBNRKw8unhj8zi4uv0OC8=">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</latexit><latexit sha1_base64="zhXl0XOBNRKw8unhj8zi4uv0OC8=">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</latexit><latexit sha1_base64="zhXl0XOBNRKw8unhj8zi4uv0OC8=">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</latexit>

26. A B A B
A B A B

28. A B
A B A B
A B

29. A BA B
A B B

30. A B A B
A B A B

31. A B A B
A B B

32. A B
A B
A A B

33. A B
A B
A A B

34. A A BA A B
A B B
A B B

36. A A B B

37. A A B B
A B A B
A B A B

38. A A B B
A B A B
A B A B

39. A A B B

40. A A B B

42. See you next time