A ↓ B = ~ (A ∨ B) TRUE
| A ↓ B | ||
 | ~ (A ∨ B) |
0
Truth check table
| Case | A | B | A ↓ B | ~ (A ∨ B) |
|---|---|---|---|---|
| 1 | T | T | F | F |
| 2 | T | F | F | F |
| 3 | F | T | F | F |
| 4 | F | F | T | T |
Public: Yes;
Show truth table: Yes;
| A ↓ B | ||
| ~ (A ∨ B) |
| Case | A | B | A ↓ B | ~ (A ∨ B) |
|---|---|---|---|---|
| 1 | T | T | F | F |
| 2 | T | F | F | F |
| 3 | F | T | F | F |
| 4 | F | F | T | T |