Saved Bookmarks
| 1. |
For any two sets A and B, prove that A ⊂ B A ∩ B = A |
|
Answer» Let p ϵ A ⊂ B. ⇒ x ϵ B Let and p ϵ A ∩ B ⬄ x ϵ A and x ϵ B ∴ (A ∩ B) = A. |
|