Description: A left-module isNoetherian iff it is hereditarily finitely generated. (Contributed by Stefan O'Rear, 12-Dec-2014)
Ref | Expression | ||
---|---|---|---|
Assertion | df-lnm | |- LNoeM = { w e. LMod | A. i e. ( LSubSp ` w ) ( w |`s i ) e. LFinGen } |
Step | Hyp | Ref | Expression |
---|---|---|---|
0 | clnm | |- LNoeM |
|
1 | vw | |- w |
|
2 | clmod | |- LMod |
|
3 | vi | |- i |
|
4 | clss | |- LSubSp |
|
5 | 1 | cv | |- w |
6 | 5 4 | cfv | |- ( LSubSp ` w ) |
7 | cress | |- |`s |
|
8 | 3 | cv | |- i |
9 | 5 8 7 | co | |- ( w |`s i ) |
10 | clfig | |- LFinGen |
|
11 | 9 10 | wcel | |- ( w |`s i ) e. LFinGen |
12 | 11 3 6 | wral | |- A. i e. ( LSubSp ` w ) ( w |`s i ) e. LFinGen |
13 | 12 1 2 | crab | |- { w e. LMod | A. i e. ( LSubSp ` w ) ( w |`s i ) e. LFinGen } |
14 | 0 13 | wceq | |- LNoeM = { w e. LMod | A. i e. ( LSubSp ` w ) ( w |`s i ) e. LFinGen } |