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| Mirrors > Home > HSE Home > Th. List > sh0le | Structured version Visualization version GIF version | ||
| Description: The zero subspace is the smallest subspace. (Contributed by NM, 3-Jun-2004.) (New usage is discouraged.) |
| Ref | Expression |
|---|---|
| sh0le | ⊢ (𝐴 ∈ Sℋ → 0ℋ ⊆ 𝐴) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | df-ch0 31605 | . 2 ⊢ 0ℋ = {0ℎ} | |
| 2 | sh0 31568 | . . 3 ⊢ (𝐴 ∈ Sℋ → 0ℎ ∈ 𝐴) | |
| 3 | 2 | snssd 4752 | . 2 ⊢ (𝐴 ∈ Sℋ → {0ℎ} ⊆ 𝐴) |
| 4 | 1, 3 | eqsstrid 3975 | 1 ⊢ (𝐴 ∈ Sℋ → 0ℋ ⊆ 𝐴) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∈ wcel 2143 ⊆ wss 3905 {csn 4589 0ℎc0v 31276 Sℋ csh 31280 0ℋc0h 31287 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1825 ax-4 1839 ax-5 1940 ax-6 1997 ax-7 2038 ax-8 2145 ax-9 2153 ax-ext 2735 ax-sep 5257 ax-hilex 31351 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1810 df-sb 2097 df-clab 2742 df-cleq 2755 df-clel 2838 df-rab 3417 df-v 3457 df-dif 3908 df-un 3910 df-in 3912 df-ss 3922 df-nul 4287 df-if 4488 df-pw 4564 df-sn 4590 df-pr 4592 df-op 4596 df-br 5110 df-opab 5174 df-xp 5667 df-cnv 5669 df-dm 5671 df-rn 5672 df-res 5673 df-ima 5674 df-sh 31559 df-ch0 31605 |
| This theorem is referenced by: ch0le 31793 shle0 31794 orthin 31798 ssjo 31799 shs0i 31801 span0 31894 |
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