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| Mirrors > Home > HSE Home > Th. List > hhssabloi | Structured version Visualization version GIF version | ||
| Description: Abelian group property of subspace addition. (Contributed by NM, 9-Apr-2008.) (Revised by Mario Carneiro, 23-Dec-2013.) (Proof shortened by AV, 27-Aug-2021.) (New usage is discouraged.) |
| Ref | Expression |
|---|---|
| hhssabl.1 | ⊢ 𝐻 ∈ Sℋ |
| Ref | Expression |
|---|---|
| hhssabloi | ⊢ ( +ℎ ↾ (𝐻 × 𝐻)) ∈ AbelOp |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | hhssabl.1 | . . . 4 ⊢ 𝐻 ∈ Sℋ | |
| 2 | 1 | hhssabloilem 31909 | . . 3 ⊢ ( +ℎ ∈ GrpOp ∧ ( +ℎ ↾ (𝐻 × 𝐻)) ∈ GrpOp ∧ ( +ℎ ↾ (𝐻 × 𝐻)) ⊆ +ℎ ) |
| 3 | 2 | simp2i 1158 | . 2 ⊢ ( +ℎ ↾ (𝐻 × 𝐻)) ∈ GrpOp |
| 4 | 1 | shssii 31861 | . . . . 5 ⊢ 𝐻 ⊆ ℋ |
| 5 | xpss12 5671 | . . . . 5 ⊢ ((𝐻 ⊆ ℋ ∧ 𝐻 ⊆ ℋ) → (𝐻 × 𝐻) ⊆ ( ℋ × ℋ)) | |
| 6 | 4, 4, 5 | mp2an 705 | . . . 4 ⊢ (𝐻 × 𝐻) ⊆ ( ℋ × ℋ) |
| 7 | ax-hfvadd 31648 | . . . . 5 ⊢ +ℎ :( ℋ × ℋ)⟶ ℋ | |
| 8 | 7 | fdmi 6749 | . . . 4 ⊢ dom +ℎ = ( ℋ × ℋ) |
| 9 | 6, 8 | sseqtrri 3962 | . . 3 ⊢ (𝐻 × 𝐻) ⊆ dom +ℎ |
| 10 | ssdmres 6019 | . . 3 ⊢ ((𝐻 × 𝐻) ⊆ dom +ℎ ↔ dom ( +ℎ ↾ (𝐻 × 𝐻)) = (𝐻 × 𝐻)) | |
| 11 | 9, 10 | mpbi 233 | . 2 ⊢ dom ( +ℎ ↾ (𝐻 × 𝐻)) = (𝐻 × 𝐻) |
| 12 | 1 | sheli 31862 | . . . 4 ⊢ (𝑥 ∈ 𝐻 → 𝑥 ∈ ℋ) |
| 13 | 1 | sheli 31862 | . . . 4 ⊢ (𝑦 ∈ 𝐻 → 𝑦 ∈ ℋ) |
| 14 | ax-hvcom 31649 | . . . 4 ⊢ ((𝑥 ∈ ℋ ∧ 𝑦 ∈ ℋ) → (𝑥 +ℎ 𝑦) = (𝑦 +ℎ 𝑥)) | |
| 15 | 12, 13, 14 | syl2an 608 | . . 3 ⊢ ((𝑥 ∈ 𝐻 ∧ 𝑦 ∈ 𝐻) → (𝑥 +ℎ 𝑦) = (𝑦 +ℎ 𝑥)) |
| 16 | ovres 7616 | . . 3 ⊢ ((𝑥 ∈ 𝐻 ∧ 𝑦 ∈ 𝐻) → (𝑥( +ℎ ↾ (𝐻 × 𝐻))𝑦) = (𝑥 +ℎ 𝑦)) | |
| 17 | ovres 7616 | . . . 4 ⊢ ((𝑦 ∈ 𝐻 ∧ 𝑥 ∈ 𝐻) → (𝑦( +ℎ ↾ (𝐻 × 𝐻))𝑥) = (𝑦 +ℎ 𝑥)) | |
| 18 | 17 | ancoms 464 | . . 3 ⊢ ((𝑥 ∈ 𝐻 ∧ 𝑦 ∈ 𝐻) → (𝑦( +ℎ ↾ (𝐻 × 𝐻))𝑥) = (𝑦 +ℎ 𝑥)) |
| 19 | 15, 16, 18 | 3eqtr4d 2808 | . 2 ⊢ ((𝑥 ∈ 𝐻 ∧ 𝑦 ∈ 𝐻) → (𝑥( +ℎ ↾ (𝐻 × 𝐻))𝑦) = (𝑦( +ℎ ↾ (𝐻 × 𝐻))𝑥)) |
| 20 | 3, 11, 19 | isabloi 31199 | 1 ⊢ ( +ℎ ↾ (𝐻 × 𝐻)) ∈ AbelOp |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: ∧ wa 401 = wceq 1570 ∈ wcel 2147 ⊆ wss 3900 × cxp 5654 dom cdm 5656 ↾ cres 5658 (class class class)co 7449 GrpOpcgr 31137 AbelOpcablo 31192 ℋchba 31567 +ℎ cva 31568 Sℋ csh 31576 |
| 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 7781 ax-cnex 11293 ax-resscn 11294 ax-1cn 11295 ax-icn 11296 ax-addcl 11297 ax-addrcl 11298 ax-mulcl 11299 ax-mulrcl 11300 ax-mulcom 11301 ax-addass 11302 ax-mulass 11303 ax-distr 11304 ax-i2m1 11305 ax-1ne0 11306 ax-1rid 11307 ax-rnegex 11308 ax-rrecex 11309 ax-cnre 11310 ax-pre-lttri 11311 ax-pre-lttrn 11312 ax-pre-ltadd 11313 ax-pre-mulgt0 11314 ax-pre-sup 11315 ax-hilex 31647 ax-hfvadd 31648 ax-hvcom 31649 ax-hvass 31650 ax-hv0cl 31651 ax-hvaddid 31652 ax-hfvmul 31653 ax-hvmulid 31654 ax-hvmulass 31655 ax-hvdistr1 31656 ax-hvdistr2 31657 ax-hvmul0 31658 ax-hfi 31727 ax-his1 31730 ax-his2 31731 ax-his3 31732 ax-his4 31733 |
| 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-rmo 3369 df-reu 3370 df-rab 3417 df-v 3456 df-sbc 3743 df-csb 3852 df-ss 3901 df-pss 4017 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-tr 5217 df-id 5551 df-eprel 5556 df-po 5564 df-so 5565 df-fr 5609 df-we 5611 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-pred 6328 df-ord 6389 df-on 6390 df-lim 6391 df-suc 6392 df-iota 6518 df-fun 6566 df-fn 6567 df-f 6568 df-f1 6569 df-fo 6570 df-f1o 6571 df-fv 6572 df-riota 7406 df-ov 7452 df-oprab 7453 df-mpo 7454 df-om 7910 df-1st 8033 df-2nd 8034 df-frecs 8335 df-wrecs 8366 df-recs 8415 df-rdg 8454 df-er 8753 df-en 9010 df-dom 9011 df-sdom 9012 df-sup 9469 df-pnf 11382 df-mnf 11383 df-xr 11384 df-ltxr 11385 df-le 11386 df-sub 11580 df-neg 11581 df-div 12012 df-nn 12374 df-2 12443 df-3 12444 df-4 12445 df-n0 12645 df-z 12732 df-uz 13004 df-rp 13159 df-seq 14183 df-exp 14243 df-cj 15307 df-re 15308 df-im 15309 df-sqrt 15443 df-abs 15444 df-grpo 31141 df-gid 31142 df-ginv 31143 df-ablo 31193 df-vc 31207 df-nv 31240 df-va 31243 df-ba 31244 df-sm 31245 df-0v 31246 df-nmcv 31248 df-hnorm 31616 df-hba 31617 df-hvsub 31619 df-sh 31855 |
| This theorem is used by: hhssablo 31911 hhssnv 31912 |
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