why TRUE
| A ↓ B | ||
| B ↓ C | ||
 | C ↓ A |
0
Truth check table
| Case | A | B | C | A ↓ B | B ↓ C | C ↓ A |
|---|---|---|---|---|---|---|
| 1 | T | T | T | F | F | F |
| 2 | T | T | F | F | F | F |
| 3 | T | F | T | F | F | F |
| 4 | T | F | F | F | T | F |
| 5 | F | T | T | F | F | F |
| 6 | F | T | F | F | F | T |
| 7 | F | F | T | T | F | F |
| 8 | F | F | F | T | T | T |
Public: Yes;
Show truth table: Yes;
| A ↓ B | ||
| B ↓ C | ||
| C ↓ A |
| Case | A | B | C | A ↓ B | B ↓ C | C ↓ A |
|---|---|---|---|---|---|---|
| 1 | T | T | T | F | F | F |
| 2 | T | T | F | F | F | F |
| 3 | T | F | T | F | F | F |
| 4 | T | F | F | F | T | F |
| 5 | F | T | T | F | F | F |
| 6 | F | T | F | F | F | T |
| 7 | F | F | T | T | F | F |
| 8 | F | F | F | T | T | T |