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| Mirrors > Home > HSE Home > Th. List > homullid | Structured version Visualization version GIF version | ||
| Description: An operator equals its scalar product with one. (Contributed by NM, 12-Aug-2006.) (New usage is discouraged.) |
| Ref | Expression |
|---|---|
| homullid | ⊢ (𝑇: ℋ⟶ ℋ → (1 ·op 𝑇) = 𝑇) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | ax-1cn 11285 | . . . . 5 ⊢ 1 ∈ ℂ | |
| 2 | homval 32373 | . . . . 5 ⊢ ((1 ∈ ℂ ∧ 𝑇: ℋ⟶ ℋ ∧ 𝑥 ∈ ℋ) → ((1 ·op 𝑇)‘𝑥) = (1 ·ℎ (𝑇‘𝑥))) | |
| 3 | 1, 2 | mp3an1 1478 | . . . 4 ⊢ ((𝑇: ℋ⟶ ℋ ∧ 𝑥 ∈ ℋ) → ((1 ·op 𝑇)‘𝑥) = (1 ·ℎ (𝑇‘𝑥))) |
| 4 | ffvelcdm 7105 | . . . . 5 ⊢ ((𝑇: ℋ⟶ ℋ ∧ 𝑥 ∈ ℋ) → (𝑇‘𝑥) ∈ ℋ) | |
| 5 | ax-hvmulid 31638 | . . . . 5 ⊢ ((𝑇‘𝑥) ∈ ℋ → (1 ·ℎ (𝑇‘𝑥)) = (𝑇‘𝑥)) | |
| 6 | 4, 5 | syl 18 | . . . 4 ⊢ ((𝑇: ℋ⟶ ℋ ∧ 𝑥 ∈ ℋ) → (1 ·ℎ (𝑇‘𝑥)) = (𝑇‘𝑥)) |
| 7 | 3, 6 | eqtrd 2798 | . . 3 ⊢ ((𝑇: ℋ⟶ ℋ ∧ 𝑥 ∈ ℋ) → ((1 ·op 𝑇)‘𝑥) = (𝑇‘𝑥)) |
| 8 | 7 | ralrimiva 3158 | . 2 ⊢ (𝑇: ℋ⟶ ℋ → ∀𝑥 ∈ ℋ ((1 ·op 𝑇)‘𝑥) = (𝑇‘𝑥)) |
| 9 | homulcl 32391 | . . . 4 ⊢ ((1 ∈ ℂ ∧ 𝑇: ℋ⟶ ℋ) → (1 ·op 𝑇): ℋ⟶ ℋ) | |
| 10 | 1, 9 | mpan 703 | . . 3 ⊢ (𝑇: ℋ⟶ ℋ → (1 ·op 𝑇): ℋ⟶ ℋ) |
| 11 | hoeq 32392 | . . 3 ⊢ (((1 ·op 𝑇): ℋ⟶ ℋ ∧ 𝑇: ℋ⟶ ℋ) → (∀𝑥 ∈ ℋ ((1 ·op 𝑇)‘𝑥) = (𝑇‘𝑥) ↔ (1 ·op 𝑇) = 𝑇)) | |
| 12 | 10, 11 | mpancom 701 | . 2 ⊢ (𝑇: ℋ⟶ ℋ → (∀𝑥 ∈ ℋ ((1 ·op 𝑇)‘𝑥) = (𝑇‘𝑥) ↔ (1 ·op 𝑇) = 𝑇)) |
| 13 | 8, 12 | mpbid 235 | 1 ⊢ (𝑇: ℋ⟶ ℋ → (1 ·op 𝑇) = 𝑇) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ↔ wb 209 ∧ wa 401 = wceq 1570 ∈ wcel 2147 ∀wral 3080 ⟶wf 6554 ‘cfv 6558 (class class class)co 7443 ℂcc 11225 1c1 11228 ℋchba 31551 ·ℎ csm 31553 ·op chot 31571 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1945 ax-6 2002 ax-7 2043 ax-8 2149 ax-9 2157 ax-10 2180 ax-11 2197 ax-12 2216 ax-ext 2735 ax-rep 5235 ax-sep 5252 ax-nul 5263 ax-pow 5331 ax-pr 5395 ax-un 7775 ax-1cn 11285 ax-hilex 31631 ax-hfvmul 31637 ax-hvmulid 31638 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2102 df-mo 2567 df-eu 2597 df-clab 2742 df-cleq 2755 df-clel 2839 df-nfc 2913 df-ne 2960 df-ral 3081 df-rex 3091 df-reu 3370 df-rab 3417 df-v 3456 df-sbc 3743 df-csb 3852 df-ss 3901 df-dif 4050 df-in 4094 df-un 4154 df-nul 4282 df-if 4486 df-pw 4562 df-sn 4589 df-pr 4591 df-op 4839 df-uni 4871 df-iun 4956 df-br 5107 df-opab 5171 df-mpt 5190 df-id 5550 df-xp 5661 df-rel 5662 df-cnv 5663 df-co 5664 df-dm 5665 df-rn 5666 df-res 5667 df-ima 5668 df-iota 6512 df-fun 6560 df-fn 6561 df-f 6562 df-f1 6563 df-fo 6564 df-f1o 6565 df-fv 6566 df-ov 7446 df-oprab 7447 df-mpo 7448 df-map 8877 df-homul 32363 |
| This theorem is used by: honegneg 32438 ho2times 32451 leopmul 32766 nmopleid 32771 opsqrlem1 32772 opsqrlem6 32777 |
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