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| Mirrors > Home > HSE Home > Th. List > ch0pss | Structured version Visualization version GIF version | ||
| Description: The zero subspace is a proper subset of nonzero Hilbert lattice elements. (Contributed by NM, 9-Jun-2004.) (New usage is discouraged.) |
| Ref | Expression |
|---|---|
| ch0pss | ⊢ (𝐴 ∈ Cℋ → (0ℋ ⊊ 𝐴 ↔ 𝐴 ≠ 0ℋ)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | df-pss 3922 | . 2 ⊢ (0ℋ ⊊ 𝐴 ↔ (0ℋ ⊆ 𝐴 ∧ 0ℋ ≠ 𝐴)) | |
| 2 | necom 2986 | . . 3 ⊢ (0ℋ ≠ 𝐴 ↔ 𝐴 ≠ 0ℋ) | |
| 3 | ch0le 31499 | . . . 4 ⊢ (𝐴 ∈ Cℋ → 0ℋ ⊆ 𝐴) | |
| 4 | 3 | biantrurd 532 | . . 3 ⊢ (𝐴 ∈ Cℋ → (0ℋ ≠ 𝐴 ↔ (0ℋ ⊆ 𝐴 ∧ 0ℋ ≠ 𝐴))) |
| 5 | 2, 4 | bitr3id 285 | . 2 ⊢ (𝐴 ∈ Cℋ → (𝐴 ≠ 0ℋ ↔ (0ℋ ⊆ 𝐴 ∧ 0ℋ ≠ 𝐴))) |
| 6 | 1, 5 | bitr4id 290 | 1 ⊢ (𝐴 ∈ Cℋ → (0ℋ ⊊ 𝐴 ↔ 𝐴 ≠ 0ℋ)) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ↔ wb 206 ∧ wa 395 ∈ wcel 2114 ≠ wne 2933 ⊆ wss 3902 ⊊ wpss 3903 Cℋ cch 30987 0ℋc0h 30993 |
| 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-ext 2709 ax-sep 5242 ax-hilex 31057 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3an 1089 df-tru 1545 df-fal 1555 df-ex 1782 df-sb 2069 df-clab 2716 df-cleq 2729 df-clel 2812 df-ne 2934 df-rab 3401 df-v 3443 df-dif 3905 df-un 3907 df-in 3909 df-ss 3919 df-pss 3922 df-nul 4287 df-if 4481 df-pw 4557 df-sn 4582 df-pr 4584 df-op 4588 df-uni 4865 df-br 5100 df-opab 5162 df-xp 5631 df-cnv 5633 df-dm 5635 df-rn 5636 df-res 5637 df-ima 5638 df-iota 6449 df-fv 6501 df-ov 7363 df-sh 31265 df-ch 31279 df-ch0 31311 |
| This theorem is referenced by: elat2 32398 |
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