Metamath Proof Explorer


Definition df-lnr

Description: A ring isleft-Noetherian iff it is Noetherian as a left module over itself. (Contributed by Stefan O'Rear, 24-Jan-2015)

Ref Expression
Assertion df-lnr ⊢ LNoeR = a ∈ Ring | ringLMod ⁡ a ∈ LNoeM

Detailed syntax breakdown

Step Hyp Ref Expression
0 clnr class LNoeR
1 va setvar a
2 crg class Ring
3 crglmod class ringLMod
4 1 cv setvar a
5 4 3 cfv class ringLMod ⁡ a
6 clnm class LNoeM
7 5 6 wcel wff ringLMod ⁡ a ∈ LNoeM
8 7 1 2 crab class a ∈ Ring | ringLMod ⁡ a ∈ LNoeM
9 0 8 wceq wff LNoeR = a ∈ Ring | ringLMod ⁡ a ∈ LNoeM