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Description: The endomorphism sum operation is associative. (Contributed by NM, 11-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 | tendoplass | ⊢ ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ ( 𝑆 ∈ 𝐸 ∧ 𝑈 ∈ 𝐸 ∧ 𝑉 ∈ 𝐸 ) ) → ( ( 𝑆 𝑃 𝑈 ) 𝑃 𝑉 ) = ( 𝑆 𝑃 ( 𝑈 𝑃 𝑉 ) ) ) |
| 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 | simpl | ⊢ ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ ( 𝑆 ∈ 𝐸 ∧ 𝑈 ∈ 𝐸 ∧ 𝑉 ∈ 𝐸 ) ) → ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ) | |
| 6 | simpr1 | ⊢ ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ ( 𝑆 ∈ 𝐸 ∧ 𝑈 ∈ 𝐸 ∧ 𝑉 ∈ 𝐸 ) ) → 𝑆 ∈ 𝐸 ) | |
| 7 | simpr2 | ⊢ ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ ( 𝑆 ∈ 𝐸 ∧ 𝑈 ∈ 𝐸 ∧ 𝑉 ∈ 𝐸 ) ) → 𝑈 ∈ 𝐸 ) | |
| 8 | 1 2 3 4 | tendoplcl | ⊢ ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ 𝑆 ∈ 𝐸 ∧ 𝑈 ∈ 𝐸 ) → ( 𝑆 𝑃 𝑈 ) ∈ 𝐸 ) |
| 9 | 5 6 7 8 | syl3anc | ⊢ ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ ( 𝑆 ∈ 𝐸 ∧ 𝑈 ∈ 𝐸 ∧ 𝑉 ∈ 𝐸 ) ) → ( 𝑆 𝑃 𝑈 ) ∈ 𝐸 ) |
| 10 | simpr3 | ⊢ ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ ( 𝑆 ∈ 𝐸 ∧ 𝑈 ∈ 𝐸 ∧ 𝑉 ∈ 𝐸 ) ) → 𝑉 ∈ 𝐸 ) | |
| 11 | 1 2 3 4 | tendoplcl | ⊢ ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ ( 𝑆 𝑃 𝑈 ) ∈ 𝐸 ∧ 𝑉 ∈ 𝐸 ) → ( ( 𝑆 𝑃 𝑈 ) 𝑃 𝑉 ) ∈ 𝐸 ) |
| 12 | 5 9 10 11 | syl3anc | ⊢ ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ ( 𝑆 ∈ 𝐸 ∧ 𝑈 ∈ 𝐸 ∧ 𝑉 ∈ 𝐸 ) ) → ( ( 𝑆 𝑃 𝑈 ) 𝑃 𝑉 ) ∈ 𝐸 ) |
| 13 | 1 2 3 4 | tendoplcl | ⊢ ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ 𝑈 ∈ 𝐸 ∧ 𝑉 ∈ 𝐸 ) → ( 𝑈 𝑃 𝑉 ) ∈ 𝐸 ) |
| 14 | 5 7 10 13 | syl3anc | ⊢ ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ ( 𝑆 ∈ 𝐸 ∧ 𝑈 ∈ 𝐸 ∧ 𝑉 ∈ 𝐸 ) ) → ( 𝑈 𝑃 𝑉 ) ∈ 𝐸 ) |
| 15 | 1 2 3 4 | tendoplcl | ⊢ ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ 𝑆 ∈ 𝐸 ∧ ( 𝑈 𝑃 𝑉 ) ∈ 𝐸 ) → ( 𝑆 𝑃 ( 𝑈 𝑃 𝑉 ) ) ∈ 𝐸 ) |
| 16 | 5 6 14 15 | syl3anc | ⊢ ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ ( 𝑆 ∈ 𝐸 ∧ 𝑈 ∈ 𝐸 ∧ 𝑉 ∈ 𝐸 ) ) → ( 𝑆 𝑃 ( 𝑈 𝑃 𝑉 ) ) ∈ 𝐸 ) |
| 17 | coass | ⊢ ( ( ( 𝑆 ‘ 𝑔 ) ∘ ( 𝑈 ‘ 𝑔 ) ) ∘ ( 𝑉 ‘ 𝑔 ) ) = ( ( 𝑆 ‘ 𝑔 ) ∘ ( ( 𝑈 ‘ 𝑔 ) ∘ ( 𝑉 ‘ 𝑔 ) ) ) | |
| 18 | simplr1 | ⊢ ( ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ ( 𝑆 ∈ 𝐸 ∧ 𝑈 ∈ 𝐸 ∧ 𝑉 ∈ 𝐸 ) ) ∧ 𝑔 ∈ 𝑇 ) → 𝑆 ∈ 𝐸 ) | |
| 19 | simplr2 | ⊢ ( ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ ( 𝑆 ∈ 𝐸 ∧ 𝑈 ∈ 𝐸 ∧ 𝑉 ∈ 𝐸 ) ) ∧ 𝑔 ∈ 𝑇 ) → 𝑈 ∈ 𝐸 ) | |
| 20 | simpr | ⊢ ( ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ ( 𝑆 ∈ 𝐸 ∧ 𝑈 ∈ 𝐸 ∧ 𝑉 ∈ 𝐸 ) ) ∧ 𝑔 ∈ 𝑇 ) → 𝑔 ∈ 𝑇 ) | |
| 21 | 4 2 | tendopl2 | ⊢ ( ( 𝑆 ∈ 𝐸 ∧ 𝑈 ∈ 𝐸 ∧ 𝑔 ∈ 𝑇 ) → ( ( 𝑆 𝑃 𝑈 ) ‘ 𝑔 ) = ( ( 𝑆 ‘ 𝑔 ) ∘ ( 𝑈 ‘ 𝑔 ) ) ) |
| 22 | 18 19 20 21 | syl3anc | ⊢ ( ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ ( 𝑆 ∈ 𝐸 ∧ 𝑈 ∈ 𝐸 ∧ 𝑉 ∈ 𝐸 ) ) ∧ 𝑔 ∈ 𝑇 ) → ( ( 𝑆 𝑃 𝑈 ) ‘ 𝑔 ) = ( ( 𝑆 ‘ 𝑔 ) ∘ ( 𝑈 ‘ 𝑔 ) ) ) |
| 23 | 22 | coeq1d | ⊢ ( ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ ( 𝑆 ∈ 𝐸 ∧ 𝑈 ∈ 𝐸 ∧ 𝑉 ∈ 𝐸 ) ) ∧ 𝑔 ∈ 𝑇 ) → ( ( ( 𝑆 𝑃 𝑈 ) ‘ 𝑔 ) ∘ ( 𝑉 ‘ 𝑔 ) ) = ( ( ( 𝑆 ‘ 𝑔 ) ∘ ( 𝑈 ‘ 𝑔 ) ) ∘ ( 𝑉 ‘ 𝑔 ) ) ) |
| 24 | simplr3 | ⊢ ( ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ ( 𝑆 ∈ 𝐸 ∧ 𝑈 ∈ 𝐸 ∧ 𝑉 ∈ 𝐸 ) ) ∧ 𝑔 ∈ 𝑇 ) → 𝑉 ∈ 𝐸 ) | |
| 25 | 4 2 | tendopl2 | ⊢ ( ( 𝑈 ∈ 𝐸 ∧ 𝑉 ∈ 𝐸 ∧ 𝑔 ∈ 𝑇 ) → ( ( 𝑈 𝑃 𝑉 ) ‘ 𝑔 ) = ( ( 𝑈 ‘ 𝑔 ) ∘ ( 𝑉 ‘ 𝑔 ) ) ) |
| 26 | 19 24 20 25 | syl3anc | ⊢ ( ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ ( 𝑆 ∈ 𝐸 ∧ 𝑈 ∈ 𝐸 ∧ 𝑉 ∈ 𝐸 ) ) ∧ 𝑔 ∈ 𝑇 ) → ( ( 𝑈 𝑃 𝑉 ) ‘ 𝑔 ) = ( ( 𝑈 ‘ 𝑔 ) ∘ ( 𝑉 ‘ 𝑔 ) ) ) |
| 27 | 26 | coeq2d | ⊢ ( ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ ( 𝑆 ∈ 𝐸 ∧ 𝑈 ∈ 𝐸 ∧ 𝑉 ∈ 𝐸 ) ) ∧ 𝑔 ∈ 𝑇 ) → ( ( 𝑆 ‘ 𝑔 ) ∘ ( ( 𝑈 𝑃 𝑉 ) ‘ 𝑔 ) ) = ( ( 𝑆 ‘ 𝑔 ) ∘ ( ( 𝑈 ‘ 𝑔 ) ∘ ( 𝑉 ‘ 𝑔 ) ) ) ) |
| 28 | 17 23 27 | 3eqtr4a | ⊢ ( ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ ( 𝑆 ∈ 𝐸 ∧ 𝑈 ∈ 𝐸 ∧ 𝑉 ∈ 𝐸 ) ) ∧ 𝑔 ∈ 𝑇 ) → ( ( ( 𝑆 𝑃 𝑈 ) ‘ 𝑔 ) ∘ ( 𝑉 ‘ 𝑔 ) ) = ( ( 𝑆 ‘ 𝑔 ) ∘ ( ( 𝑈 𝑃 𝑉 ) ‘ 𝑔 ) ) ) |
| 29 | 9 | adantr | ⊢ ( ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ ( 𝑆 ∈ 𝐸 ∧ 𝑈 ∈ 𝐸 ∧ 𝑉 ∈ 𝐸 ) ) ∧ 𝑔 ∈ 𝑇 ) → ( 𝑆 𝑃 𝑈 ) ∈ 𝐸 ) |
| 30 | 4 2 | tendopl2 | ⊢ ( ( ( 𝑆 𝑃 𝑈 ) ∈ 𝐸 ∧ 𝑉 ∈ 𝐸 ∧ 𝑔 ∈ 𝑇 ) → ( ( ( 𝑆 𝑃 𝑈 ) 𝑃 𝑉 ) ‘ 𝑔 ) = ( ( ( 𝑆 𝑃 𝑈 ) ‘ 𝑔 ) ∘ ( 𝑉 ‘ 𝑔 ) ) ) |
| 31 | 29 24 20 30 | syl3anc | ⊢ ( ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ ( 𝑆 ∈ 𝐸 ∧ 𝑈 ∈ 𝐸 ∧ 𝑉 ∈ 𝐸 ) ) ∧ 𝑔 ∈ 𝑇 ) → ( ( ( 𝑆 𝑃 𝑈 ) 𝑃 𝑉 ) ‘ 𝑔 ) = ( ( ( 𝑆 𝑃 𝑈 ) ‘ 𝑔 ) ∘ ( 𝑉 ‘ 𝑔 ) ) ) |
| 32 | 14 | adantr | ⊢ ( ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ ( 𝑆 ∈ 𝐸 ∧ 𝑈 ∈ 𝐸 ∧ 𝑉 ∈ 𝐸 ) ) ∧ 𝑔 ∈ 𝑇 ) → ( 𝑈 𝑃 𝑉 ) ∈ 𝐸 ) |
| 33 | 4 2 | tendopl2 | ⊢ ( ( 𝑆 ∈ 𝐸 ∧ ( 𝑈 𝑃 𝑉 ) ∈ 𝐸 ∧ 𝑔 ∈ 𝑇 ) → ( ( 𝑆 𝑃 ( 𝑈 𝑃 𝑉 ) ) ‘ 𝑔 ) = ( ( 𝑆 ‘ 𝑔 ) ∘ ( ( 𝑈 𝑃 𝑉 ) ‘ 𝑔 ) ) ) |
| 34 | 18 32 20 33 | syl3anc | ⊢ ( ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ ( 𝑆 ∈ 𝐸 ∧ 𝑈 ∈ 𝐸 ∧ 𝑉 ∈ 𝐸 ) ) ∧ 𝑔 ∈ 𝑇 ) → ( ( 𝑆 𝑃 ( 𝑈 𝑃 𝑉 ) ) ‘ 𝑔 ) = ( ( 𝑆 ‘ 𝑔 ) ∘ ( ( 𝑈 𝑃 𝑉 ) ‘ 𝑔 ) ) ) |
| 35 | 28 31 34 | 3eqtr4d | ⊢ ( ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ ( 𝑆 ∈ 𝐸 ∧ 𝑈 ∈ 𝐸 ∧ 𝑉 ∈ 𝐸 ) ) ∧ 𝑔 ∈ 𝑇 ) → ( ( ( 𝑆 𝑃 𝑈 ) 𝑃 𝑉 ) ‘ 𝑔 ) = ( ( 𝑆 𝑃 ( 𝑈 𝑃 𝑉 ) ) ‘ 𝑔 ) ) |
| 36 | 35 | ralrimiva | ⊢ ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ ( 𝑆 ∈ 𝐸 ∧ 𝑈 ∈ 𝐸 ∧ 𝑉 ∈ 𝐸 ) ) → ∀ 𝑔 ∈ 𝑇 ( ( ( 𝑆 𝑃 𝑈 ) 𝑃 𝑉 ) ‘ 𝑔 ) = ( ( 𝑆 𝑃 ( 𝑈 𝑃 𝑉 ) ) ‘ 𝑔 ) ) |
| 37 | 1 2 3 | tendoeq1 | ⊢ ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ ( ( ( 𝑆 𝑃 𝑈 ) 𝑃 𝑉 ) ∈ 𝐸 ∧ ( 𝑆 𝑃 ( 𝑈 𝑃 𝑉 ) ) ∈ 𝐸 ) ∧ ∀ 𝑔 ∈ 𝑇 ( ( ( 𝑆 𝑃 𝑈 ) 𝑃 𝑉 ) ‘ 𝑔 ) = ( ( 𝑆 𝑃 ( 𝑈 𝑃 𝑉 ) ) ‘ 𝑔 ) ) → ( ( 𝑆 𝑃 𝑈 ) 𝑃 𝑉 ) = ( 𝑆 𝑃 ( 𝑈 𝑃 𝑉 ) ) ) |
| 38 | 5 12 16 36 37 | syl121anc | ⊢ ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ ( 𝑆 ∈ 𝐸 ∧ 𝑈 ∈ 𝐸 ∧ 𝑉 ∈ 𝐸 ) ) → ( ( 𝑆 𝑃 𝑈 ) 𝑃 𝑉 ) = ( 𝑆 𝑃 ( 𝑈 𝑃 𝑉 ) ) ) |