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| Mirrors > Home > MPE Home > Th. List > ocv0 | Structured version Visualization version GIF version | ||
| Description: The orthocomplement of the empty set. (Contributed by Mario Carneiro, 23-Oct-2015.) |
| Ref | Expression |
|---|---|
| ocvz.v | ⊢ 𝑉 = (Base‘𝑊) |
| ocvz.o | ⊢ ⊥ = (ocv‘𝑊) |
| Ref | Expression |
|---|---|
| ocv0 | ⊢ ( ⊥ ‘∅) = 𝑉 |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | 0ss 4353 | . . 3 ⊢ ∅ ⊆ 𝑉 | |
| 2 | ocvz.v | . . . 4 ⊢ 𝑉 = (Base‘𝑊) | |
| 3 | eqid 2763 | . . . 4 ⊢ (·𝑖‘𝑊) = (·𝑖‘𝑊) | |
| 4 | eqid 2763 | . . . 4 ⊢ (Scalar‘𝑊) = (Scalar‘𝑊) | |
| 5 | eqid 2763 | . . . 4 ⊢ (0g‘(Scalar‘𝑊)) = (0g‘(Scalar‘𝑊)) | |
| 6 | ocvz.o | . . . 4 ⊢ ⊥ = (ocv‘𝑊) | |
| 7 | 2, 3, 4, 5, 6 | ocvval 22003 | . . 3 ⊢ (∅ ⊆ 𝑉 → ( ⊥ ‘∅) = {𝑥 ∈ 𝑉 ∣ ∀𝑦 ∈ ∅ (𝑥(·𝑖‘𝑊)𝑦) = (0g‘(Scalar‘𝑊))}) |
| 8 | 1, 7 | ax-mp 5 | . 2 ⊢ ( ⊥ ‘∅) = {𝑥 ∈ 𝑉 ∣ ∀𝑦 ∈ ∅ (𝑥(·𝑖‘𝑊)𝑦) = (0g‘(Scalar‘𝑊))} |
| 9 | ral0 4457 | . . . 4 ⊢ ∀𝑦 ∈ ∅ (𝑥(·𝑖‘𝑊)𝑦) = (0g‘(Scalar‘𝑊)) | |
| 10 | 9 | rgenw 3084 | . . 3 ⊢ ∀𝑥 ∈ 𝑉 ∀𝑦 ∈ ∅ (𝑥(·𝑖‘𝑊)𝑦) = (0g‘(Scalar‘𝑊)) |
| 11 | rabid2 3448 | . . 3 ⊢ (𝑉 = {𝑥 ∈ 𝑉 ∣ ∀𝑦 ∈ ∅ (𝑥(·𝑖‘𝑊)𝑦) = (0g‘(Scalar‘𝑊))} ↔ ∀𝑥 ∈ 𝑉 ∀𝑦 ∈ ∅ (𝑥(·𝑖‘𝑊)𝑦) = (0g‘(Scalar‘𝑊))) | |
| 12 | 10, 11 | mpbir 234 | . 2 ⊢ 𝑉 = {𝑥 ∈ 𝑉 ∣ ∀𝑦 ∈ ∅ (𝑥(·𝑖‘𝑊)𝑦) = (0g‘(Scalar‘𝑊))} |
| 13 | 8, 12 | eqtr4i 2789 | 1 ⊢ ( ⊥ ‘∅) = 𝑉 |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: = wceq 1570 ∀wral 3080 {crab 3416 ⊆ wss 3900 ∅c0 4281 ‘cfv 6558 (class class class)co 7443 Basecbs 17416 Scalarcsca 17460 ·𝑖cip 17462 0gc0g 17639 ocvcocv 21996 |
| 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-10 2180 ax-11 2197 ax-12 2216 ax-ext 2735 ax-sep 5252 ax-nul 5263 ax-pow 5331 ax-pr 5395 ax-un 7775 |
| 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-nf 1817 df-sb 2102 df-mo 2567 df-eu 2597 df-clab 2742 df-cleq 2755 df-clel 2839 df-nfc 2913 df-ne 2960 df-ral 3081 df-rex 3091 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 5171 df-mpt 5190 df-id 5550 df-xp 5661 df-rel 5662 df-cnv 5663 df-co 5664 df-dm 5665 df-rn 5666 df-res 5667 df-ima 5668 df-iota 6512 df-fun 6560 df-fn 6561 df-f 6562 df-fv 6566 df-ov 7446 df-ocv 21999 |
| This theorem is used by: ocvz 22014 css1 22026 |
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