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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 47016 | . . . 4 ⊢ (𝑂 ∈ OutMeas → 𝑆 ⊆ dom 𝑂) |
| 4 | 1, 3 | syl 17 | . . 3 ⊢ (𝜑 → 𝑆 ⊆ dom 𝑂) |
| 5 | 4 | unissd 4865 | . 2 ⊢ (𝜑 → ∪ 𝑆 ⊆ ∪ dom 𝑂) |
| 6 | eqid 2752 | . . . 4 ⊢ ∪ dom 𝑂 = ∪ dom 𝑂 | |
| 7 | 1, 6, 2 | caragenunidm 47020 | . . 3 ⊢ (𝜑 → ∪ dom 𝑂 ∈ 𝑆) |
| 8 | elssuni 4887 | . . 3 ⊢ (∪ dom 𝑂 ∈ 𝑆 → ∪ dom 𝑂 ⊆ ∪ 𝑆) | |
| 9 | 7, 8 | syl 17 | . 2 ⊢ (𝜑 → ∪ dom 𝑂 ⊆ ∪ 𝑆) |
| 10 | 5, 9 | eqssd 3944 | 1 ⊢ (𝜑 → ∪ 𝑆 = ∪ dom 𝑂) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 = wceq 1550 ∈ wcel 2132 ⊆ wss 3895 ∪ cuni 4855 dom cdm 5636 ‘cfv 6506 OutMeascome 47001 CaraGenccaragen 47003 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1805 ax-4 1819 ax-5 1920 ax-6 1977 ax-7 2018 ax-8 2134 ax-9 2142 ax-10 2165 ax-11 2181 ax-12 2202 ax-ext 2724 ax-sep 5236 ax-nul 5246 ax-pow 5312 ax-pr 5380 ax-un 7703 ax-cnex 11115 ax-resscn 11116 ax-1cn 11117 ax-icn 11118 ax-addcl 11119 ax-addrcl 11120 ax-mulcl 11121 ax-mulrcl 11122 ax-mulcom 11123 ax-addass 11124 ax-mulass 11125 ax-distr 11126 ax-i2m1 11127 ax-1ne0 11128 ax-1rid 11129 ax-rnegex 11130 ax-rrecex 11131 ax-cnre 11132 ax-pre-lttri 11133 ax-pre-lttrn 11134 ax-pre-ltadd 11135 |
| This theorem depends on definitions: df-bi 209 df-an 399 df-or 857 df-3or 1096 df-3an 1097 df-tru 1553 df-fal 1563 df-ex 1790 df-nf 1794 df-sb 2081 df-mo 2556 df-eu 2586 df-clab 2731 df-cleq 2744 df-clel 2827 df-nfc 2901 df-ne 2948 df-nel 3052 df-ral 3067 df-rex 3077 df-rab 3405 df-v 3446 df-sbc 3736 df-csb 3844 df-dif 3898 df-un 3900 df-in 3902 df-ss 3912 df-nul 4277 df-if 4471 df-pw 4547 df-sn 4573 df-pr 4575 df-op 4579 df-uni 4856 df-iun 4941 df-br 5091 df-opab 5153 df-mpt 5172 df-id 5531 df-po 5544 df-so 5545 df-xp 5642 df-rel 5643 df-cnv 5644 df-co 5645 df-dm 5646 df-rn 5647 df-res 5648 df-ima 5649 df-iota 6462 df-fun 6508 df-fn 6509 df-f 6510 df-f1 6511 df-fo 6512 df-f1o 6513 df-fv 6514 df-ov 7384 df-oprab 7385 df-mpo 7386 df-1st 7955 df-2nd 7956 df-er 8662 df-en 8913 df-dom 8914 df-sdom 8915 df-pnf 11204 df-mnf 11205 df-xr 11206 df-ltxr 11207 df-xadd 13101 df-icc 13342 df-ome 47002 df-caragen 47004 |
| This theorem is referenced by: caragendifcl 47026 carageniuncl 47035 unidmvon 47129 |
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