Description: A principal ideal contains the element that generates it. (Contributed by Thierry Arnoux, 15-Jan-2024)
Ref | Expression | ||
---|---|---|---|
Hypotheses | rspsnid.b | ||
rspsnid.k | |||
Assertion | rspsnid |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | rspsnid.b | ||
2 | rspsnid.k | ||
3 | snssi | ||
4 | 2 1 | rspssid | |
5 | 3 4 | sylan2 | |
6 | snssg | ||
7 | 6 | adantl | |
8 | 5 7 | mpbird |