Metamath Proof Explorer


Definition df-edring-rN

Description: Define division ring on trace-preserving endomorphisms. Definition of E of Crawley p. 117, 4th line from bottom. (Contributed by NM, 8-Jun-2013)

Ref Expression
Assertion df-edring-rN ⊢ EDRing R = k ∈ V ⟼ w ∈ LHyp ⁡ k ⟼ Base ndx TEndo ⁡ k ⁡ w + ndx s ∈ TEndo ⁡ k ⁡ w , t ∈ TEndo ⁡ k ⁡ w ⟼ f ∈ LTrn ⁡ k ⁡ w ⟼ s ⁡ f ∘ t ⁡ f ⋅ ndx s ∈ TEndo ⁡ k ⁡ w , t ∈ TEndo ⁡ k ⁡ w ⟼ t ∘ s

Detailed syntax breakdown

Step Hyp Ref Expression
0 cedring-rN class EDRing R
1 vk setvar k
2 cvv class V
3 vw setvar w
4 clh class LHyp
5 1 cv setvar k
6 5 4 cfv class LHyp ⁡ k
7 cbs class Base
8 cnx class ndx
9 8 7 cfv class Base ndx
10 ctendo class TEndo
11 5 10 cfv class TEndo ⁡ k
12 3 cv setvar w
13 12 11 cfv class TEndo ⁡ k ⁡ w
14 9 13 cop class Base ndx TEndo ⁡ k ⁡ w
15 cplusg class + 𝑔
16 8 15 cfv class + ndx
17 vs setvar s
18 vt setvar t
19 vf setvar f
20 cltrn class LTrn
21 5 20 cfv class LTrn ⁡ k
22 12 21 cfv class LTrn ⁡ k ⁡ w
23 17 cv setvar s
24 19 cv setvar f
25 24 23 cfv class s ⁡ f
26 18 cv setvar t
27 24 26 cfv class t ⁡ f
28 25 27 ccom class s ⁡ f ∘ t ⁡ f
29 19 22 28 cmpt class f ∈ LTrn ⁡ k ⁡ w ⟼ s ⁡ f ∘ t ⁡ f
30 17 18 13 13 29 cmpo class s ∈ TEndo ⁡ k ⁡ w , t ∈ TEndo ⁡ k ⁡ w ⟼ f ∈ LTrn ⁡ k ⁡ w ⟼ s ⁡ f ∘ t ⁡ f
31 16 30 cop class + ndx s ∈ TEndo ⁡ k ⁡ w , t ∈ TEndo ⁡ k ⁡ w ⟼ f ∈ LTrn ⁡ k ⁡ w ⟼ s ⁡ f ∘ t ⁡ f
32 cmulr class ⋅ 𝑟
33 8 32 cfv class ⋅ ndx
34 26 23 ccom class t ∘ s
35 17 18 13 13 34 cmpo class s ∈ TEndo ⁡ k ⁡ w , t ∈ TEndo ⁡ k ⁡ w ⟼ t ∘ s
36 33 35 cop class ⋅ ndx s ∈ TEndo ⁡ k ⁡ w , t ∈ TEndo ⁡ k ⁡ w ⟼ t ∘ s
37 14 31 36 ctp class Base ndx TEndo ⁡ k ⁡ w + ndx s ∈ TEndo ⁡ k ⁡ w , t ∈ TEndo ⁡ k ⁡ w ⟼ f ∈ LTrn ⁡ k ⁡ w ⟼ s ⁡ f ∘ t ⁡ f ⋅ ndx s ∈ TEndo ⁡ k ⁡ w , t ∈ TEndo ⁡ k ⁡ w ⟼ t ∘ s
38 3 6 37 cmpt class w ∈ LHyp ⁡ k ⟼ Base ndx TEndo ⁡ k ⁡ w + ndx s ∈ TEndo ⁡ k ⁡ w , t ∈ TEndo ⁡ k ⁡ w ⟼ f ∈ LTrn ⁡ k ⁡ w ⟼ s ⁡ f ∘ t ⁡ f ⋅ ndx s ∈ TEndo ⁡ k ⁡ w , t ∈ TEndo ⁡ k ⁡ w ⟼ t ∘ s
39 1 2 38 cmpt class k ∈ V ⟼ w ∈ LHyp ⁡ k ⟼ Base ndx TEndo ⁡ k ⁡ w + ndx s ∈ TEndo ⁡ k ⁡ w , t ∈ TEndo ⁡ k ⁡ w ⟼ f ∈ LTrn ⁡ k ⁡ w ⟼ s ⁡ f ∘ t ⁡ f ⋅ ndx s ∈ TEndo ⁡ k ⁡ w , t ∈ TEndo ⁡ k ⁡ w ⟼ t ∘ s
40 0 39 wceq wff EDRing R = k ∈ V ⟼ w ∈ LHyp ⁡ k ⟼ Base ndx TEndo ⁡ k ⁡ w + ndx s ∈ TEndo ⁡ k ⁡ w , t ∈ TEndo ⁡ k ⁡ w ⟼ f ∈ LTrn ⁡ k ⁡ w ⟼ s ⁡ f ∘ t ⁡ f ⋅ ndx s ∈ TEndo ⁡ k ⁡ w , t ∈ TEndo ⁡ k ⁡ w ⟼ t ∘ s