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| Mirrors > Home > HSE Home > Th. List > shsss | Structured version Visualization version GIF version | ||
| Description: The subspace sum is a subset of Hilbert space. (Contributed by Mario Carneiro, 23-Dec-2013.) (New usage is discouraged.) |
| Ref | Expression |
|---|---|
| shsss | ⊢ ((𝐴 ∈ Sℋ ∧ 𝐵 ∈ Sℋ ) → (𝐴 +ℋ 𝐵) ⊆ ℋ) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | shsval 31454 | . 2 ⊢ ((𝐴 ∈ Sℋ ∧ 𝐵 ∈ Sℋ ) → (𝐴 +ℋ 𝐵) = ( +ℎ “ (𝐴 × 𝐵))) | |
| 2 | imassrn 6050 | . . 3 ⊢ ( +ℎ “ (𝐴 × 𝐵)) ⊆ ran +ℎ | |
| 3 | ax-hfvadd 31142 | . . . 4 ⊢ +ℎ :( ℋ × ℋ)⟶ ℋ | |
| 4 | frn 6688 | . . . 4 ⊢ ( +ℎ :( ℋ × ℋ)⟶ ℋ → ran +ℎ ⊆ ℋ) | |
| 5 | 3, 4 | ax-mp 5 | . . 3 ⊢ ran +ℎ ⊆ ℋ |
| 6 | 2, 5 | sstri 3940 | . 2 ⊢ ( +ℎ “ (𝐴 × 𝐵)) ⊆ ℋ |
| 7 | 1, 6 | eqsstrdi 3975 | 1 ⊢ ((𝐴 ∈ Sℋ ∧ 𝐵 ∈ Sℋ ) → (𝐴 +ℋ 𝐵) ⊆ ℋ) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 398 ∈ wcel 2136 ⊆ wss 3899 × cxp 5638 ran crn 5641 “ cima 5643 ⟶wf 6506 (class class class)co 7385 ℋchba 31061 +ℎ cva 31062 Sℋ csh 31070 +ℋ cph 31073 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1809 ax-4 1823 ax-5 1924 ax-6 1981 ax-7 2022 ax-8 2138 ax-9 2146 ax-10 2169 ax-11 2185 ax-12 2206 ax-ext 2728 ax-rep 5221 ax-sep 5240 ax-nul 5250 ax-pow 5316 ax-pr 5384 ax-un 7707 ax-resscn 11120 ax-1cn 11121 ax-icn 11122 ax-addcl 11123 ax-addrcl 11124 ax-mulcl 11125 ax-mulrcl 11126 ax-mulcom 11127 ax-addass 11128 ax-mulass 11129 ax-distr 11130 ax-i2m1 11131 ax-1ne0 11132 ax-1rid 11133 ax-rnegex 11134 ax-rrecex 11135 ax-cnre 11136 ax-pre-lttri 11137 ax-pre-lttrn 11138 ax-pre-ltadd 11139 ax-hilex 31141 ax-hfvadd 31142 ax-hvcom 31143 ax-hvass 31144 ax-hv0cl 31145 ax-hvaddid 31146 ax-hfvmul 31147 ax-hvmulid 31148 ax-hvdistr2 31151 ax-hvmul0 31152 |
| This theorem depends on definitions: df-bi 209 df-an 399 df-or 857 df-3or 1096 df-3an 1097 df-tru 1557 df-fal 1567 df-ex 1794 df-nf 1798 df-sb 2085 df-mo 2560 df-eu 2590 df-clab 2735 df-cleq 2748 df-clel 2831 df-nfc 2905 df-ne 2952 df-nel 3056 df-ral 3071 df-rex 3081 df-reu 3362 df-rab 3409 df-v 3450 df-sbc 3740 df-csb 3848 df-dif 3902 df-un 3904 df-in 3906 df-ss 3916 df-nul 4281 df-if 4475 df-pw 4551 df-sn 4577 df-pr 4579 df-op 4583 df-uni 4860 df-iun 4945 df-br 5095 df-opab 5157 df-mpt 5176 df-id 5535 df-po 5548 df-so 5549 df-xp 5646 df-rel 5647 df-cnv 5648 df-co 5649 df-dm 5650 df-rn 5651 df-res 5652 df-ima 5653 df-iota 6466 df-fun 6512 df-fn 6513 df-f 6514 df-f1 6515 df-fo 6516 df-f1o 6517 df-fv 6518 df-riota 7342 df-ov 7388 df-oprab 7389 df-mpo 7390 df-er 8666 df-en 8917 df-dom 8918 df-sdom 8919 df-pnf 11208 df-mnf 11209 df-ltxr 11211 df-sub 11406 df-neg 11407 df-grpo 30635 df-ablo 30687 df-hvsub 31113 df-shs 31450 |
| This theorem is referenced by: shscli 31459 pjhth 31535 pjpreeq 31540 |
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