| Hilbert Space Explorer |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > HSE Home > Th. List > shsel1 | Structured version Visualization version GIF version | ||
| Description: A subspace sum contains a member of one of its subspaces. (Contributed by NM, 15-Dec-2004.) (New usage is discouraged.) |
| Ref | Expression |
|---|---|
| shsel1 | ⊢ ((𝐴 ∈ Sℋ ∧ 𝐵 ∈ Sℋ ) → (𝐶 ∈ 𝐴 → 𝐶 ∈ (𝐴 +ℋ 𝐵))) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | shel 31267 | . . . . 5 ⊢ ((𝐴 ∈ Sℋ ∧ 𝐶 ∈ 𝐴) → 𝐶 ∈ ℋ) | |
| 2 | ax-hvaddid 31060 | . . . . 5 ⊢ (𝐶 ∈ ℋ → (𝐶 +ℎ 0ℎ) = 𝐶) | |
| 3 | 1, 2 | syl 17 | . . . 4 ⊢ ((𝐴 ∈ Sℋ ∧ 𝐶 ∈ 𝐴) → (𝐶 +ℎ 0ℎ) = 𝐶) |
| 4 | 3 | adantlr 716 | . . 3 ⊢ (((𝐴 ∈ Sℋ ∧ 𝐵 ∈ Sℋ ) ∧ 𝐶 ∈ 𝐴) → (𝐶 +ℎ 0ℎ) = 𝐶) |
| 5 | sh0 31272 | . . . . . 6 ⊢ (𝐵 ∈ Sℋ → 0ℎ ∈ 𝐵) | |
| 6 | 5 | adantl 481 | . . . . 5 ⊢ ((𝐴 ∈ Sℋ ∧ 𝐵 ∈ Sℋ ) → 0ℎ ∈ 𝐵) |
| 7 | shsva 31376 | . . . . 5 ⊢ ((𝐴 ∈ Sℋ ∧ 𝐵 ∈ Sℋ ) → ((𝐶 ∈ 𝐴 ∧ 0ℎ ∈ 𝐵) → (𝐶 +ℎ 0ℎ) ∈ (𝐴 +ℋ 𝐵))) | |
| 8 | 6, 7 | mpan2d 695 | . . . 4 ⊢ ((𝐴 ∈ Sℋ ∧ 𝐵 ∈ Sℋ ) → (𝐶 ∈ 𝐴 → (𝐶 +ℎ 0ℎ) ∈ (𝐴 +ℋ 𝐵))) |
| 9 | 8 | imp 406 | . . 3 ⊢ (((𝐴 ∈ Sℋ ∧ 𝐵 ∈ Sℋ ) ∧ 𝐶 ∈ 𝐴) → (𝐶 +ℎ 0ℎ) ∈ (𝐴 +ℋ 𝐵)) |
| 10 | 4, 9 | eqeltrrd 2836 | . 2 ⊢ (((𝐴 ∈ Sℋ ∧ 𝐵 ∈ Sℋ ) ∧ 𝐶 ∈ 𝐴) → 𝐶 ∈ (𝐴 +ℋ 𝐵)) |
| 11 | 10 | ex 412 | 1 ⊢ ((𝐴 ∈ Sℋ ∧ 𝐵 ∈ Sℋ ) → (𝐶 ∈ 𝐴 → 𝐶 ∈ (𝐴 +ℋ 𝐵))) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 395 = wceq 1542 ∈ wcel 2114 (class class class)co 7358 ℋchba 30975 +ℎ cva 30976 0ℎc0v 30980 Sℋ csh 30984 +ℋ cph 30987 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-9 2124 ax-10 2147 ax-11 2163 ax-12 2183 ax-ext 2707 ax-rep 5223 ax-sep 5240 ax-nul 5250 ax-pow 5309 ax-pr 5376 ax-un 7680 ax-resscn 11085 ax-1cn 11086 ax-icn 11087 ax-addcl 11088 ax-addrcl 11089 ax-mulcl 11090 ax-mulrcl 11091 ax-mulcom 11092 ax-addass 11093 ax-mulass 11094 ax-distr 11095 ax-i2m1 11096 ax-1ne0 11097 ax-1rid 11098 ax-rnegex 11099 ax-rrecex 11100 ax-cnre 11101 ax-pre-lttri 11102 ax-pre-lttrn 11103 ax-pre-ltadd 11104 ax-hilex 31055 ax-hfvadd 31056 ax-hvcom 31057 ax-hvass 31058 ax-hv0cl 31059 ax-hvaddid 31060 ax-hfvmul 31061 ax-hvmulid 31062 ax-hvdistr2 31065 ax-hvmul0 31066 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3or 1088 df-3an 1089 df-tru 1545 df-fal 1555 df-ex 1782 df-nf 1786 df-sb 2069 df-mo 2538 df-eu 2568 df-clab 2714 df-cleq 2727 df-clel 2810 df-nfc 2884 df-ne 2932 df-nel 3036 df-ral 3051 df-rex 3060 df-reu 3350 df-rab 3399 df-v 3441 df-sbc 3740 df-csb 3849 df-dif 3903 df-un 3905 df-in 3907 df-ss 3917 df-nul 4285 df-if 4479 df-pw 4555 df-sn 4580 df-pr 4582 df-op 4586 df-uni 4863 df-iun 4947 df-br 5098 df-opab 5160 df-mpt 5179 df-id 5518 df-po 5531 df-so 5532 df-xp 5629 df-rel 5630 df-cnv 5631 df-co 5632 df-dm 5633 df-rn 5634 df-res 5635 df-ima 5636 df-iota 6447 df-fun 6493 df-fn 6494 df-f 6495 df-f1 6496 df-fo 6497 df-f1o 6498 df-fv 6499 df-riota 7315 df-ov 7361 df-oprab 7362 df-mpo 7363 df-er 8635 df-en 8886 df-dom 8887 df-sdom 8888 df-pnf 11170 df-mnf 11171 df-ltxr 11173 df-sub 11368 df-neg 11369 df-grpo 30549 df-ablo 30601 df-hvsub 31027 df-sh 31263 df-shs 31364 |
| This theorem is referenced by: shsel2 31378 shsvs 31379 shsub1 31380 shsel1i 31421 |
| Copyright terms: Public domain | W3C validator |