Description: Ideals are closed under intersection. (Contributed by Thierry Arnoux, 5-Jul-2024)
Ref | Expression | ||
---|---|---|---|
Hypothesis | lidlincl.1 | ||
Assertion | lidlincl |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | lidlincl.1 | ||
2 | eqid | ||
3 | 2 1 | lidlacs | |
4 | 3 | acsmred | |
5 | mreincl | ||
6 | 4 5 | syl3an1 |