Metamath Proof Explorer


Definition df-igen

Description: Obsolete definition, use df-rsp instead. Define the ideal generated by a subset of a ring. (Contributed by Jeff Madsen, 10-Jun-2010) (New usage is discouraged.)

Ref Expression
Assertion df-igen ⊢ IdlGen = r ∈ RingOps , s ∈ 𝒫 ran ⁡ 1 st ⁡ r ⟼ ⋂ j ∈ Idl ⁡ r | s ⊆ j

Detailed syntax breakdown

Step Hyp Ref Expression
0 cigen class IdlGen
1 vr setvar r
2 crngo class RingOps
3 vs setvar s
4 c1st class 1 st
5 1 cv setvar r
6 5 4 cfv class 1 st ⁡ r
7 6 crn class ran ⁡ 1 st ⁡ r
8 7 cpw class 𝒫 ran ⁡ 1 st ⁡ r
9 vj setvar j
10 cidl class Idl
11 5 10 cfv class Idl ⁡ r
12 3 cv setvar s
13 9 cv setvar j
14 12 13 wss wff s ⊆ j
15 14 9 11 crab class j ∈ Idl ⁡ r | s ⊆ j
16 15 cint class ⋂ j ∈ Idl ⁡ r | s ⊆ j
17 1 3 2 8 16 cmpo class r ∈ RingOps , s ∈ 𝒫 ran ⁡ 1 st ⁡ r ⟼ ⋂ j ∈ Idl ⁡ r | s ⊆ j
18 0 17 wceq wff IdlGen = r ∈ RingOps , s ∈ 𝒫 ran ⁡ 1 st ⁡ r ⟼ ⋂ j ∈ Idl ⁡ r | s ⊆ j