sequential closure造句

例句与造句

1. Then there is a smallest ordinal \ alpha such that A _ { \ alpha } = A _ { \ alpha + 1 }, and for this \ alpha, A _ { \ alpha } is called the transfinite sequential closure of A . ( In fact, we always have \ alpha \ le \ omega _ 1, where \ omega _ 1 is the first uncountable ordinal . ) Taking the transfinite sequential closure solves the idempotency problem above.
2. Then there is a smallest ordinal \ alpha such that A _ { \ alpha } = A _ { \ alpha + 1 }, and for this \ alpha, A _ { \ alpha } is called the transfinite sequential closure of A . ( In fact, we always have \ alpha \ le \ omega _ 1, where \ omega _ 1 is the first uncountable ordinal . ) Taking the transfinite sequential closure solves the idempotency problem above.
3. It's difficult to find sequential closure in a sentence. 用sequential closure造句挺难的