👉 In mathematics, a "cannot" is an expression used to indicate that something does not satisfy some condition. It can be used to express logical contradictions or statements that do not follow certain rules or laws. For example: 1. If there are 50 people in a room, and 30 of them have red hair, then the number of people with blue hair must also be 30. 2. A person cannot be both an apple and a banana at the same time. In

cannot