| Hilbert Space Explorer |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > HSE Home > Th. List > shincli | Structured version Visualization version GIF version | ||
| Description: Closure of intersection of two subspaces. (Contributed by NM, 19-Oct-1999.) (New usage is discouraged.) |
| Ref | Expression |
|---|---|
| shincl.1 | ⊢ 𝐴 ∈ Sℋ |
| shincl.2 | ⊢ 𝐵 ∈ Sℋ |
| Ref | Expression |
|---|---|
| shincli | ⊢ (𝐴 ∩ 𝐵) ∈ Sℋ |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | shincl.1 | . . . 4 ⊢ 𝐴 ∈ Sℋ | |
| 2 | 1 | elexi 3461 | . . 3 ⊢ 𝐴 ∈ V |
| 3 | shincl.2 | . . . 4 ⊢ 𝐵 ∈ Sℋ | |
| 4 | 3 | elexi 3461 | . . 3 ⊢ 𝐵 ∈ V |
| 5 | 2, 4 | intpr 4935 | . 2 ⊢ ∩ {𝐴, 𝐵} = (𝐴 ∩ 𝐵) |
| 6 | 1, 3 | pm3.2i 470 | . . . . 5 ⊢ (𝐴 ∈ Sℋ ∧ 𝐵 ∈ Sℋ ) |
| 7 | 2, 4 | prss 4774 | . . . . 5 ⊢ ((𝐴 ∈ Sℋ ∧ 𝐵 ∈ Sℋ ) ↔ {𝐴, 𝐵} ⊆ Sℋ ) |
| 8 | 6, 7 | mpbi 230 | . . . 4 ⊢ {𝐴, 𝐵} ⊆ Sℋ |
| 9 | 2 | prnz 4732 | . . . 4 ⊢ {𝐴, 𝐵} ≠ ∅ |
| 10 | 8, 9 | pm3.2i 470 | . . 3 ⊢ ({𝐴, 𝐵} ⊆ Sℋ ∧ {𝐴, 𝐵} ≠ ∅) |
| 11 | 10 | shintcli 31353 | . 2 ⊢ ∩ {𝐴, 𝐵} ∈ Sℋ |
| 12 | 5, 11 | eqeltrri 2831 | 1 ⊢ (𝐴 ∩ 𝐵) ∈ Sℋ |
| Colors of variables: wff setvar class |
| Syntax hints: ∧ wa 395 ∈ wcel 2113 ≠ wne 2930 ∩ cin 3898 ⊆ wss 3899 ∅c0 4283 {cpr 4580 ∩ cint 4900 Sℋ csh 30952 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1911 ax-6 1968 ax-7 2009 ax-8 2115 ax-9 2123 ax-10 2146 ax-11 2162 ax-12 2182 ax-ext 2706 ax-sep 5239 ax-nul 5249 ax-pr 5375 ax-hilex 31023 ax-hfvadd 31024 ax-hv0cl 31027 ax-hfvmul 31029 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3an 1088 df-tru 1544 df-fal 1554 df-ex 1781 df-nf 1785 df-sb 2068 df-mo 2537 df-eu 2567 df-clab 2713 df-cleq 2726 df-clel 2809 df-nfc 2883 df-ne 2931 df-ral 3050 df-rex 3059 df-rab 3398 df-v 3440 df-sbc 3739 df-csb 3848 df-dif 3902 df-un 3904 df-in 3906 df-ss 3916 df-nul 4284 df-if 4478 df-pw 4554 df-sn 4579 df-pr 4581 df-op 4585 df-uni 4862 df-int 4901 df-iun 4946 df-br 5097 df-opab 5159 df-id 5517 df-xp 5628 df-rel 5629 df-cnv 5630 df-co 5631 df-dm 5632 df-rn 5633 df-res 5634 df-ima 5635 df-iota 6446 df-fun 6492 df-fn 6493 df-f 6494 df-fv 6498 df-ov 7359 df-sh 31231 |
| This theorem is referenced by: shincl 31405 shmodsi 31413 shmodi 31414 5oalem1 31678 5oalem3 31680 5oalem5 31682 5oalem6 31683 5oai 31685 3oalem2 31687 3oalem6 31691 cdj3lem1 32458 |
| Copyright terms: Public domain | W3C validator |