Metamath Proof Explorer


Theorem tendoplcl

Description: Endomorphism sum is a trace-preserving endomorphism. (Contributed by NM, 10-Jun-2013)

Ref Expression
Hypotheses tendopl.h ⊢ H = LHyp ⁡ K
tendopl.t ⊢ T = LTrn ⁡ K ⁡ W
tendopl.e ⊢ E = TEndo ⁡ K ⁡ W
tendopl.p ⊢ P = s ∈ E , t ∈ E ⟼ f ∈ T ⟼ s ⁡ f ∘ t ⁡ f
Assertion tendoplcl ⊢ K ∈ HL ∧ W ∈ H ∧ U ∈ E ∧ V ∈ E → U P V ∈ E

Proof

Step Hyp Ref Expression
1 tendopl.h ⊢ H = LHyp ⁡ K
2 tendopl.t ⊢ T = LTrn ⁡ K ⁡ W
3 tendopl.e ⊢ E = TEndo ⁡ K ⁡ W
4 tendopl.p ⊢ P = s ∈ E , t ∈ E ⟼ f ∈ T ⟼ s ⁡ f ∘ t ⁡ f
5 eqid ⊢ ≤ K = ≤ K
6 eqid ⊢ trL ⁡ K ⁡ W = trL ⁡ K ⁡ W
7 simp1 ⊢ K ∈ HL ∧ W ∈ H ∧ U ∈ E ∧ V ∈ E → K ∈ HL ∧ W ∈ H
8 simpl1 ⊢ K ∈ HL ∧ W ∈ H ∧ U ∈ E ∧ V ∈ E ∧ g ∈ T → K ∈ HL ∧ W ∈ H
9 simpl2 ⊢ K ∈ HL ∧ W ∈ H ∧ U ∈ E ∧ V ∈ E ∧ g ∈ T → U ∈ E
10 simpr ⊢ K ∈ HL ∧ W ∈ H ∧ U ∈ E ∧ V ∈ E ∧ g ∈ T → g ∈ T
11 1 2 3 tendocl ⊢ K ∈ HL ∧ W ∈ H ∧ U ∈ E ∧ g ∈ T → U ⁡ g ∈ T
12 8 9 10 11 syl3anc ⊢ K ∈ HL ∧ W ∈ H ∧ U ∈ E ∧ V ∈ E ∧ g ∈ T → U ⁡ g ∈ T
13 simpl3 ⊢ K ∈ HL ∧ W ∈ H ∧ U ∈ E ∧ V ∈ E ∧ g ∈ T → V ∈ E
14 1 2 3 tendocl ⊢ K ∈ HL ∧ W ∈ H ∧ V ∈ E ∧ g ∈ T → V ⁡ g ∈ T
15 8 13 10 14 syl3anc ⊢ K ∈ HL ∧ W ∈ H ∧ U ∈ E ∧ V ∈ E ∧ g ∈ T → V ⁡ g ∈ T
16 1 2 ltrnco ⊢ K ∈ HL ∧ W ∈ H ∧ U ⁡ g ∈ T ∧ V ⁡ g ∈ T → U ⁡ g ∘ V ⁡ g ∈ T
17 8 12 15 16 syl3anc ⊢ K ∈ HL ∧ W ∈ H ∧ U ∈ E ∧ V ∈ E ∧ g ∈ T → U ⁡ g ∘ V ⁡ g ∈ T
18 17 fmpttd ⊢ K ∈ HL ∧ W ∈ H ∧ U ∈ E ∧ V ∈ E → g ∈ T ⟼ U ⁡ g ∘ V ⁡ g : T ⟶ T
19 4 2 tendopl ⊢ U ∈ E ∧ V ∈ E → U P V = g ∈ T ⟼ U ⁡ g ∘ V ⁡ g
20 19 3adant1 ⊢ K ∈ HL ∧ W ∈ H ∧ U ∈ E ∧ V ∈ E → U P V = g ∈ T ⟼ U ⁡ g ∘ V ⁡ g
21 20 feq1d ⊢ K ∈ HL ∧ W ∈ H ∧ U ∈ E ∧ V ∈ E → U P V : T ⟶ T ↔ g ∈ T ⟼ U ⁡ g ∘ V ⁡ g : T ⟶ T
22 18 21 mpbird ⊢ K ∈ HL ∧ W ∈ H ∧ U ∈ E ∧ V ∈ E → U P V : T ⟶ T
23 simp11 ⊢ K ∈ HL ∧ W ∈ H ∧ U ∈ E ∧ V ∈ E ∧ h ∈ T ∧ i ∈ T → K ∈ HL ∧ W ∈ H
24 simp12 ⊢ K ∈ HL ∧ W ∈ H ∧ U ∈ E ∧ V ∈ E ∧ h ∈ T ∧ i ∈ T → U ∈ E
25 simp13 ⊢ K ∈ HL ∧ W ∈ H ∧ U ∈ E ∧ V ∈ E ∧ h ∈ T ∧ i ∈ T → V ∈ E
26 3simpc ⊢ K ∈ HL ∧ W ∈ H ∧ U ∈ E ∧ V ∈ E ∧ h ∈ T ∧ i ∈ T → h ∈ T ∧ i ∈ T
27 1 2 3 4 tendoplco2 ⊢ K ∈ HL ∧ W ∈ H ∧ U ∈ E ∧ V ∈ E ∧ h ∈ T ∧ i ∈ T → U P V ⁡ h ∘ i = U P V ⁡ h ∘ U P V ⁡ i
28 23 24 25 26 27 syl121anc ⊢ K ∈ HL ∧ W ∈ H ∧ U ∈ E ∧ V ∈ E ∧ h ∈ T ∧ i ∈ T → U P V ⁡ h ∘ i = U P V ⁡ h ∘ U P V ⁡ i
29 simpl1 ⊢ K ∈ HL ∧ W ∈ H ∧ U ∈ E ∧ V ∈ E ∧ h ∈ T → K ∈ HL ∧ W ∈ H
30 simpl2 ⊢ K ∈ HL ∧ W ∈ H ∧ U ∈ E ∧ V ∈ E ∧ h ∈ T → U ∈ E
31 simpl3 ⊢ K ∈ HL ∧ W ∈ H ∧ U ∈ E ∧ V ∈ E ∧ h ∈ T → V ∈ E
32 simpr ⊢ K ∈ HL ∧ W ∈ H ∧ U ∈ E ∧ V ∈ E ∧ h ∈ T → h ∈ T
33 1 2 3 4 5 6 tendopltp ⊢ K ∈ HL ∧ W ∈ H ∧ U ∈ E ∧ V ∈ E ∧ h ∈ T → trL ⁡ K ⁡ W ⁡ U P V ⁡ h ≤ K trL ⁡ K ⁡ W ⁡ h
34 29 30 31 32 33 syl121anc ⊢ K ∈ HL ∧ W ∈ H ∧ U ∈ E ∧ V ∈ E ∧ h ∈ T → trL ⁡ K ⁡ W ⁡ U P V ⁡ h ≤ K trL ⁡ K ⁡ W ⁡ h
35 5 1 2 6 3 7 22 28 34 istendod ⊢ K ∈ HL ∧ W ∈ H ∧ U ∈ E ∧ V ∈ E → U P V ∈ E