
### Instruction: help me answer this question (iv) {x: x is a circle in the plane} … {x: x is a circle in the same plane with radius 1 unit}, think step by step
### Assistant: Not every circle in the plane is a circle with radius 1 unit in the same plane. , The answer is {x: x is a circle in the plane} ⊄ {x: x is a circle in the same plane with radius 1 unit}
