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| Mirrors > Home > MPE Home > Th. List > Mathboxes > caragenuni | Structured version Visualization version GIF version | ||
| Description: The base set of the sigma-algebra generated by the Caratheodory's construction is the whole base set of the original outer measure. (Contributed by Glauco Siliprandi, 17-Aug-2020.) |
| Ref | Expression |
|---|---|
| caragenuni.o | ⊢ (𝜑 → 𝑂 ∈ OutMeas) |
| caragenuni.s | ⊢ 𝑆 = (CaraGen‘𝑂) |
| Ref | Expression |
|---|---|
| caragenuni | ⊢ (𝜑 → ∪ 𝑆 = ∪ dom 𝑂) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | caragenuni.o | . . . 4 ⊢ (𝜑 → 𝑂 ∈ OutMeas) | |
| 2 | caragenuni.s | . . . . 5 ⊢ 𝑆 = (CaraGen‘𝑂) | |
| 3 | 2 | caragenss 47607 | . . . 4 ⊢ (𝑂 ∈ OutMeas → 𝑆 ⊆ dom 𝑂) |
| 4 | 1, 3 | syl 18 | . . 3 ⊢ (𝜑 → 𝑆 ⊆ dom 𝑂) |
| 5 | 4 | unissd 4876 | . 2 ⊢ (𝜑 → ∪ 𝑆 ⊆ ∪ dom 𝑂) |
| 6 | eqid 2760 | . . . 4 ⊢ ∪ dom 𝑂 = ∪ dom 𝑂 | |
| 7 | 1, 6, 2 | caragenunidm 47611 | . . 3 ⊢ (𝜑 → ∪ dom 𝑂 ∈ 𝑆) |
| 8 | elssuni 4898 | . . 3 ⊢ (∪ dom 𝑂 ∈ 𝑆 → ∪ dom 𝑂 ⊆ ∪ 𝑆) | |
| 9 | 7, 8 | syl 18 | . 2 ⊢ (𝜑 → ∪ dom 𝑂 ⊆ ∪ 𝑆) |
| 10 | 5, 9 | eqssd 3925 | 1 ⊢ (𝜑 → ∪ 𝑆 = ∪ dom 𝑂) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 = wceq 1569 ∈ wcel 2144 ⊆ wss 3895 ∪ cuni 4866 dom cdm 5650 ‘cfv 6538 OutMeascome 47592 CaraGenccaragen 47594 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1827 ax-4 1841 ax-5 1942 ax-6 1999 ax-7 2040 ax-8 2146 ax-9 2154 ax-10 2177 ax-11 2193 ax-12 2212 ax-ext 2732 ax-sep 5248 ax-nul 5259 ax-pow 5326 ax-pr 5390 ax-un 7751 ax-cnex 11259 ax-resscn 11260 ax-1cn 11261 ax-icn 11262 ax-addcl 11263 ax-addrcl 11264 ax-mulcl 11265 ax-mulrcl 11266 ax-mulcom 11267 ax-addass 11268 ax-mulass 11269 ax-distr 11270 ax-i2m1 11271 ax-1ne0 11272 ax-1rid 11273 ax-rnegex 11274 ax-rrecex 11275 ax-cnre 11276 ax-pre-lttri 11277 ax-pre-lttrn 11278 ax-pre-ltadd 11279 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1572 df-fal 1582 df-ex 1812 df-nf 1816 df-sb 2099 df-mo 2564 df-eu 2594 df-clab 2739 df-cleq 2752 df-clel 2835 df-nfc 2909 df-ne 2956 df-nel 3062 df-ral 3077 df-rex 3087 df-rab 3413 df-v 3452 df-sbc 3739 df-csb 3847 df-ss 3896 df-dif 4047 df-in 4091 df-un 4151 df-nul 4279 df-if 4482 df-pw 4558 df-sn 4585 df-pr 4587 df-op 4835 df-uni 4867 df-iun 4952 df-br 5103 df-opab 5167 df-mpt 5186 df-id 5545 df-po 5558 df-so 5559 df-xp 5656 df-rel 5657 df-cnv 5658 df-co 5659 df-dm 5660 df-rn 5661 df-res 5662 df-ima 5663 df-iota 6494 df-fun 6540 df-fn 6541 df-f 6542 df-f1 6543 df-fo 6544 df-f1o 6545 df-fv 6546 df-ov 7423 df-oprab 7424 df-mpo 7425 df-1st 8001 df-2nd 8002 df-er 8720 df-en 8977 df-dom 8978 df-sdom 8979 df-pnf 11348 df-mnf 11349 df-xr 11350 df-ltxr 11351 df-xadd 13245 df-icc 13486 df-ome 47593 df-caragen 47595 |
| This theorem is used by: caragendifcl 47617 carageniuncl 47626 unidmvon 47720 |
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