👉 Obverses in logic are statements that can be both true and false simultaneously. They express a logical contradiction, meaning that they cannot both be true at the same time. For example, "I am not a vegetarian" is an obversive because it is both true (I'm a vegetarian) and false (I'm not a vegetarian). Another example could be: "You can't have a cake without butter." This statement is also an obversive because it is both true (you