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| Mirrors > Home > HSE Home > Th. List > chle0 | Structured version Visualization version GIF version | ||
| Description: No Hilbert lattice element is smaller than zero. (Contributed by NM, 14-Aug-2002.) (New usage is discouraged.) |
| Ref | Expression |
|---|---|
| chle0 | ⊢ (𝐴 ∈ Cℋ → (𝐴 ⊆ 0ℋ ↔ 𝐴 = 0ℋ)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | chsh 31859 | . 2 ⊢ (𝐴 ∈ Cℋ → 𝐴 ∈ Sℋ ) | |
| 2 | shle0 32077 | . 2 ⊢ (𝐴 ∈ Sℋ → (𝐴 ⊆ 0ℋ ↔ 𝐴 = 0ℋ)) | |
| 3 | 1, 2 | syl 18 | 1 ⊢ (𝐴 ∈ Cℋ → (𝐴 ⊆ 0ℋ ↔ 𝐴 = 0ℋ)) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ↔ wb 209 = wceq 1570 ∈ wcel 2147 ⊆ wss 3900 Sℋ csh 31563 Cℋ cch 31564 0ℋc0h 31570 |
| 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-ext 2735 ax-sep 5253 ax-hilex 31634 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-sb 2102 df-clab 2742 df-cleq 2755 df-clel 2839 df-rab 3417 df-v 3456 df-ss 3901 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-br 5107 df-opab 5172 df-xp 5662 df-cnv 5664 df-dm 5666 df-rn 5667 df-res 5668 df-ima 5669 df-iota 6515 df-fv 6569 df-ov 7449 df-sh 31842 df-ch 31856 df-ch0 31888 |
| This theorem is used by: chle0i 32087 chssoc 32131 hatomistici 32997 atcvat4i 33032 |
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