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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 2762 | . . . 4 ⊢ (·𝑖‘𝑊) = (·𝑖‘𝑊) | |
| 4 | eqid 2762 | . . . 4 ⊢ (Scalar‘𝑊) = (Scalar‘𝑊) | |
| 5 | eqid 2762 | . . . 4 ⊢ (0g‘(Scalar‘𝑊)) = (0g‘(Scalar‘𝑊)) | |
| 6 | ocvz.o | . . . 4 ⊢ ⊥ = (ocv‘𝑊) | |
| 7 | 2, 3, 4, 5, 6 | ocvval 21881 | . . 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 3082 | . . 3 ⊢ ∀𝑥 ∈ 𝑉 ∀𝑦 ∈ ∅ (𝑥(·𝑖‘𝑊)𝑦) = (0g‘(Scalar‘𝑊)) |
| 11 | rabid2 3447 | . . 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 2788 | 1 ⊢ ( ⊥ ‘∅) = 𝑉 |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: = wceq 1570 ∀wral 3078 {crab 3414 ⊆ wss 3902 ∅c0 4282 ‘cfv 6537 (class class class)co 7416 Basecbs 17305 Scalarcsca 17349 ·𝑖cip 17351 0gc0g 17528 ocvcocv 21874 |
| 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 1943 ax-6 2000 ax-7 2041 ax-8 2147 ax-9 2155 ax-10 2178 ax-11 2194 ax-12 2215 ax-ext 2734 ax-sep 5255 ax-nul 5267 ax-pow 5334 ax-pr 5402 ax-un 7739 |
| 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 2100 df-mo 2566 df-eu 2596 df-clab 2741 df-cleq 2754 df-clel 2837 df-nfc 2911 df-ne 2958 df-ral 3079 df-rex 3089 df-rab 3415 df-v 3455 df-dif 3905 df-un 3907 df-in 3909 df-ss 3919 df-nul 4283 df-if 4486 df-pw 4562 df-sn 4588 df-pr 4590 df-op 4594 df-uni 4871 df-br 5108 df-opab 5172 df-mpt 5191 df-id 5554 df-xp 5665 df-rel 5666 df-cnv 5667 df-co 5668 df-dm 5669 df-rn 5670 df-res 5671 df-ima 5672 df-iota 6493 df-fun 6539 df-fn 6540 df-f 6541 df-fv 6545 df-ov 7419 df-ocv 21877 |
| This theorem is used by: ocvz 21892 css1 21904 |
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