Note: words in italic are technical terms with clear definitions in logic, which I’m going to omit explaining. Words in bold are substitutes for logical symbols with clear definitions and functions, which I’m going to omit explaining.
There are different kinds of impossibilities. One is physical. Another one is logical. Logical impossibilities are impossible, no matter what, no matter where, no matter the circumstances, no matter the universe, no matter the laws of nature, and no matter anything else. They are impossible and that’s the end of story.