👉 In logic, a contradiction is an instance where two statements are logically equivalent but cannot both be true at the same time. In other words, if one statement is true and another is false, then there must exist some third statement that contradicts both original statements. A contradiction can be expressed as follows: 1. If A = B, then A = C. 2. If A = B, then A = D. 3. If A ≠ B, then A ≠ C. 4. If
