2Equivalence A ↔ B TRUE
1
| A ↔ ((B → C) ↓ B) | ||
 | ~ A ∨ B |
A
AA
B
BB
C
CC
0
Truth check table
| Case | A | B | C | A ↔ ((B → C) ↓ B) | ~ A ∨ B |
|---|---|---|---|---|---|
| 1 | T | T | T | F | T |
| 2 | T | T | F | F | T |
| 3 | T | F | T | F | F |
| 4 | T | F | F | F | F |
| 5 | F | T | T | T | T |
| 6 | F | T | F | T | T |
| 7 | F | F | T | T | T |
| 8 | F | F | F | T | T |
Public: Yes;
Show truth table: Yes;
Cloned from: @140(Equivalence A ↔ B);