Условие:
Домашнее задание
Составить таблицы истинности для формул:
a) (A -> ¬B) v (B <-> C)∧A
г) А ∧ B -> (¬A <-> B v C)
b) (A -> B <-> ¬A) ∧C v B

Домашнее задание
Составить таблицы истинности для формул:
a) (A -> ¬B) v (B <-> C)∧A
г) А ∧ B -> (¬A <-> B v C)
b) (A -> B <-> ¬A) ∧C v B
Давайте поочередно составим таблицы истинности для каждой из предложенных формул.
| A | B | C | ¬B | A → ¬B | B ↔ C | (B ↔ C) ∧ A | (A → ¬B) ∨ ((B ↔ C) ∧ A) |
|---|---|---|---|---|---|---|---|
| 0 | 0 | 0 | 1 | 1 | 1 | 0 | 1 |
| 0 | 0 | 1 | 1 | 1 | 0 | 0 | 1 |
| 0 | 1 | 0 | 0 | 1 | 0 | 0 | 1 |
| 0 | 1 | 1 | 0 | 1 | 1 | 0 | 1 |
| 1 | 0 | 0 | 1 | 0 | 1 | 1 | 1 |
| 1 | 0 | 1 | 1 | 0 | 0 | 0 | 0 |
| 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1 | 1 | 1 | 0 | 0 | 1 | 1 | 1 |
| A | B | C | ¬A | B ∨ C | ¬A ↔ (B ∨ C) | A ∧ B | A ∧ B → (¬A ↔ (B ∨ C)) |
|---|---|---|---|---|---|---|---|
| 0 | 0 | 0 | 1 | 0 | 1 | 0 | 1 |
| 0 | 0 | 1 | 1 | 1 | 0 | 0 | 1 |
| 0 | 1 | 0 | 1 | 1 | 0 | 0 | 1 |
| 0 | 1 | 1 | 1 | 1 | 0 | 0 | 1 |
| 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
| 1 | 0 | 1 | 0 | 1 | 0 | 0 | 1 |
| 1 | 1 | 0 | 0 | 1 | 0 | 1 | 0 |
| 1 | 1 | 1 | 0 | 1 | 0 | 1 | 0 |
| A | B | C | ¬A | A → B | A → B ↔ ¬A | (A → B ↔ ¬A) ∧ C | (A → B ↔ ¬A) ∧ C ∨ B |
|---|---|---|---|---|---|---|---|
| 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 |
| 0 | 0 | 1 | 1 | 1 | 0 | 0 | 0 |
| 0 | 1 | 0 | 1 | 1 | 0 | 0 | 1 |
| 0 | 1 | 1 | 1 | 1 | 0 | 0 | 1 |
| 1 | 0 | 0 | 0 | 0 | 1 | 0 | 0 |
| 1 | 0 | 1 | 0 | 0 | 1 | 1 | 1 |
| 1 | 1 | 0 | 0 | 1 | 0 | 0 | 1 |
| 1 | 1 | 1 | 0 | 1 | 0 | 0 | 1 |