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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 11261 | . . . . 5 ⊢ 1 ∈ ℂ | |
| 2 | homval 32348 | . . . . 5 ⊢ ((1 ∈ ℂ ∧ 𝑇: ℋ⟶ ℋ ∧ 𝑥 ∈ ℋ) → ((1 ·op 𝑇)‘𝑥) = (1 ·ℎ (𝑇‘𝑥))) | |
| 3 | 1, 2 | mp3an1 1477 | . . . 4 ⊢ ((𝑇: ℋ⟶ ℋ ∧ 𝑥 ∈ ℋ) → ((1 ·op 𝑇)‘𝑥) = (1 ·ℎ (𝑇‘𝑥))) |
| 4 | ffvelcdm 7081 | . . . . 5 ⊢ ((𝑇: ℋ⟶ ℋ ∧ 𝑥 ∈ ℋ) → (𝑇‘𝑥) ∈ ℋ) | |
| 5 | ax-hvmulid 31613 | . . . . 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 2795 | . . 3 ⊢ ((𝑇: ℋ⟶ ℋ ∧ 𝑥 ∈ ℋ) → ((1 ·op 𝑇)‘𝑥) = (𝑇‘𝑥)) |
| 8 | 7 | ralrimiva 3154 | . 2 ⊢ (𝑇: ℋ⟶ ℋ → ∀𝑥 ∈ ℋ ((1 ·op 𝑇)‘𝑥) = (𝑇‘𝑥)) |
| 9 | homulcl 32366 | . . . 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 32367 | . . 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 1569 ∈ wcel 2144 ∀wral 3076 ⟶wf 6534 ‘cfv 6538 (class class class)co 7420 ℂcc 11201 1c1 11204 ℋchba 31526 ·ℎ csm 31528 ·op chot 31546 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1827 ax-4 1841 ax-5 1942 ax-6 1999 ax-7 2040 ax-8 2146 ax-9 2154 ax-10 2177 ax-11 2193 ax-12 2212 ax-ext 2732 ax-rep 5231 ax-sep 5248 ax-nul 5259 ax-pow 5326 ax-pr 5390 ax-un 7751 ax-1cn 11261 ax-hilex 31606 ax-hfvmul 31612 ax-hvmulid 31613 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3an 1105 df-tru 1572 df-fal 1582 df-ex 1812 df-nf 1816 df-sb 2099 df-mo 2564 df-eu 2594 df-clab 2739 df-cleq 2752 df-clel 2835 df-nfc 2909 df-ne 2956 df-ral 3077 df-rex 3087 df-reu 3366 df-rab 3413 df-v 3452 df-sbc 3739 df-csb 3847 df-ss 3896 df-dif 4047 df-in 4091 df-un 4151 df-nul 4279 df-if 4482 df-pw 4558 df-sn 4585 df-pr 4587 df-op 4835 df-uni 4867 df-iun 4952 df-br 5103 df-opab 5167 df-mpt 5186 df-id 5545 df-xp 5656 df-rel 5657 df-cnv 5658 df-co 5659 df-dm 5660 df-rn 5661 df-res 5662 df-ima 5663 df-iota 6494 df-fun 6540 df-fn 6541 df-f 6542 df-f1 6543 df-fo 6544 df-f1o 6545 df-fv 6546 df-ov 7423 df-oprab 7424 df-mpo 7425 df-map 8852 df-homul 32338 |
| This theorem is used by: honegneg 32413 ho2times 32426 leopmul 32741 nmopleid 32746 opsqrlem1 32747 opsqrlem6 32752 |
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