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| Mirrors > Home > HSE Home > Th. List > hodsi | Structured version Visualization version GIF version | ||
| Description: Relationship between Hilbert space operator difference and sum. (Contributed by NM, 17-Nov-2000.) (New usage is discouraged.) |
| Ref | Expression |
|---|---|
| hods.1 | ⊢ 𝑅: ℋ⟶ ℋ |
| hods.2 | ⊢ 𝑆: ℋ⟶ ℋ |
| hods.3 | ⊢ 𝑇: ℋ⟶ ℋ |
| Ref | Expression |
|---|---|
| hodsi | ⊢ ((𝑅 −op 𝑆) = 𝑇 ↔ (𝑆 +op 𝑇) = 𝑅) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | hods.1 | . . . . . 6 ⊢ 𝑅: ℋ⟶ ℋ | |
| 2 | 1 | ffvelcdmi 7110 | . . . . 5 ⊢ (𝑥 ∈ ℋ → (𝑅‘𝑥) ∈ ℋ) |
| 3 | hods.2 | . . . . . 6 ⊢ 𝑆: ℋ⟶ ℋ | |
| 4 | 3 | ffvelcdmi 7110 | . . . . 5 ⊢ (𝑥 ∈ ℋ → (𝑆‘𝑥) ∈ ℋ) |
| 5 | hods.3 | . . . . . 6 ⊢ 𝑇: ℋ⟶ ℋ | |
| 6 | 5 | ffvelcdmi 7110 | . . . . 5 ⊢ (𝑥 ∈ ℋ → (𝑇‘𝑥) ∈ ℋ) |
| 7 | hvsubadd 31712 | . . . . 5 ⊢ (((𝑅‘𝑥) ∈ ℋ ∧ (𝑆‘𝑥) ∈ ℋ ∧ (𝑇‘𝑥) ∈ ℋ) → (((𝑅‘𝑥) −ℎ (𝑆‘𝑥)) = (𝑇‘𝑥) ↔ ((𝑆‘𝑥) +ℎ (𝑇‘𝑥)) = (𝑅‘𝑥))) | |
| 8 | 2, 4, 6, 7 | syl3anc 1399 | . . . 4 ⊢ (𝑥 ∈ ℋ → (((𝑅‘𝑥) −ℎ (𝑆‘𝑥)) = (𝑇‘𝑥) ↔ ((𝑆‘𝑥) +ℎ (𝑇‘𝑥)) = (𝑅‘𝑥))) |
| 9 | hodval 32377 | . . . . . 6 ⊢ ((𝑅: ℋ⟶ ℋ ∧ 𝑆: ℋ⟶ ℋ ∧ 𝑥 ∈ ℋ) → ((𝑅 −op 𝑆)‘𝑥) = ((𝑅‘𝑥) −ℎ (𝑆‘𝑥))) | |
| 10 | 1, 3, 9 | mp3an12 1481 | . . . . 5 ⊢ (𝑥 ∈ ℋ → ((𝑅 −op 𝑆)‘𝑥) = ((𝑅‘𝑥) −ℎ (𝑆‘𝑥))) |
| 11 | 10 | eqeq1d 2765 | . . . 4 ⊢ (𝑥 ∈ ℋ → (((𝑅 −op 𝑆)‘𝑥) = (𝑇‘𝑥) ↔ ((𝑅‘𝑥) −ℎ (𝑆‘𝑥)) = (𝑇‘𝑥))) |
| 12 | hosval 32375 | . . . . . 6 ⊢ ((𝑆: ℋ⟶ ℋ ∧ 𝑇: ℋ⟶ ℋ ∧ 𝑥 ∈ ℋ) → ((𝑆 +op 𝑇)‘𝑥) = ((𝑆‘𝑥) +ℎ (𝑇‘𝑥))) | |
| 13 | 3, 5, 12 | mp3an12 1481 | . . . . 5 ⊢ (𝑥 ∈ ℋ → ((𝑆 +op 𝑇)‘𝑥) = ((𝑆‘𝑥) +ℎ (𝑇‘𝑥))) |
| 14 | 13 | eqeq1d 2765 | . . . 4 ⊢ (𝑥 ∈ ℋ → (((𝑆 +op 𝑇)‘𝑥) = (𝑅‘𝑥) ↔ ((𝑆‘𝑥) +ℎ (𝑇‘𝑥)) = (𝑅‘𝑥))) |
| 15 | 8, 11, 14 | 3bitr4d 314 | . . 3 ⊢ (𝑥 ∈ ℋ → (((𝑅 −op 𝑆)‘𝑥) = (𝑇‘𝑥) ↔ ((𝑆 +op 𝑇)‘𝑥) = (𝑅‘𝑥))) |
| 16 | 15 | ralbiia 3110 | . 2 ⊢ (∀𝑥 ∈ ℋ ((𝑅 −op 𝑆)‘𝑥) = (𝑇‘𝑥) ↔ ∀𝑥 ∈ ℋ ((𝑆 +op 𝑇)‘𝑥) = (𝑅‘𝑥)) |
| 17 | 1, 3 | hosubcli 32404 | . . 3 ⊢ (𝑅 −op 𝑆): ℋ⟶ ℋ |
| 18 | 17, 5 | hoeqi 32396 | . 2 ⊢ (∀𝑥 ∈ ℋ ((𝑅 −op 𝑆)‘𝑥) = (𝑇‘𝑥) ↔ (𝑅 −op 𝑆) = 𝑇) |
| 19 | 3, 5 | hoaddcli 32403 | . . 3 ⊢ (𝑆 +op 𝑇): ℋ⟶ ℋ |
| 20 | 19, 1 | hoeqi 32396 | . 2 ⊢ (∀𝑥 ∈ ℋ ((𝑆 +op 𝑇)‘𝑥) = (𝑅‘𝑥) ↔ (𝑆 +op 𝑇) = 𝑅) |
| 21 | 16, 18, 20 | 3bitr3i 304 | 1 ⊢ ((𝑅 −op 𝑆) = 𝑇 ↔ (𝑆 +op 𝑇) = 𝑅) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: ↔ wb 209 = wceq 1570 ∈ wcel 2147 ∀wral 3080 ⟶wf 6557 ‘cfv 6561 (class class class)co 7446 ℋchba 31554 +ℎ cva 31555 −ℎ cmv 31560 +op chos 31573 −op chod 31575 |
| 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 5236 ax-sep 5253 ax-nul 5264 ax-pow 5332 ax-pr 5396 ax-un 7778 ax-resscn 11287 ax-1cn 11288 ax-icn 11289 ax-addcl 11290 ax-addrcl 11291 ax-mulcl 11292 ax-mulrcl 11293 ax-mulcom 11294 ax-addass 11295 ax-mulass 11296 ax-distr 11297 ax-i2m1 11298 ax-1ne0 11299 ax-1rid 11300 ax-rnegex 11301 ax-rrecex 11302 ax-cnre 11303 ax-pre-lttri 11304 ax-pre-lttrn 11305 ax-pre-ltadd 11306 ax-hilex 31634 ax-hfvadd 31635 ax-hvcom 31636 ax-hvass 31637 ax-hv0cl 31638 ax-hvaddid 31639 ax-hfvmul 31640 ax-hvmulid 31641 ax-hvdistr2 31644 ax-hvmul0 31645 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 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-nel 3066 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 5172 df-mpt 5191 df-id 5551 df-po 5564 df-so 5565 df-xp 5662 df-rel 5663 df-cnv 5664 df-co 5665 df-dm 5666 df-rn 5667 df-res 5668 df-ima 5669 df-iota 6515 df-fun 6563 df-fn 6564 df-f 6565 df-f1 6566 df-fo 6567 df-f1o 6568 df-fv 6569 df-riota 7403 df-ov 7449 df-oprab 7450 df-mpo 7451 df-er 8748 df-map 8880 df-en 9005 df-dom 9006 df-sdom 9007 df-pnf 11375 df-mnf 11376 df-ltxr 11378 df-sub 11573 df-neg 11574 df-hvsub 31606 df-hosum 32365 df-hodif 32367 |
| This theorem is used by: hodidi 32422 hodseqi 32429 ho0subi 32430 hosd1i 32457 pjoci 32815 |
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