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Mathbox for Thierry Arnoux |
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Mirrors > Home > MPE Home > Th. List > Mathboxes > baselcarsg | Structured version Visualization version GIF version |
Description: The universe set, 𝑂, is Caratheodory measurable. (Contributed by Thierry Arnoux, 17-May-2020.) |
Ref | Expression |
---|---|
carsgval.1 | ⊢ (𝜑 → 𝑂 ∈ 𝑉) |
carsgval.2 | ⊢ (𝜑 → 𝑀:𝒫 𝑂⟶(0[,]+∞)) |
baselcarsg.1 | ⊢ (𝜑 → (𝑀‘∅) = 0) |
Ref | Expression |
---|---|
baselcarsg | ⊢ (𝜑 → 𝑂 ∈ (toCaraSiga‘𝑀)) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | ssidd 3917 | . . 3 ⊢ (𝜑 → 𝑂 ⊆ 𝑂) | |
2 | elpwi 4469 | . . . . . . . . 9 ⊢ (𝑒 ∈ 𝒫 𝑂 → 𝑒 ⊆ 𝑂) | |
3 | 2 | adantl 482 | . . . . . . . 8 ⊢ ((𝜑 ∧ 𝑒 ∈ 𝒫 𝑂) → 𝑒 ⊆ 𝑂) |
4 | df-ss 3880 | . . . . . . . 8 ⊢ (𝑒 ⊆ 𝑂 ↔ (𝑒 ∩ 𝑂) = 𝑒) | |
5 | 3, 4 | sylib 219 | . . . . . . 7 ⊢ ((𝜑 ∧ 𝑒 ∈ 𝒫 𝑂) → (𝑒 ∩ 𝑂) = 𝑒) |
6 | 5 | fveq2d 6549 | . . . . . 6 ⊢ ((𝜑 ∧ 𝑒 ∈ 𝒫 𝑂) → (𝑀‘(𝑒 ∩ 𝑂)) = (𝑀‘𝑒)) |
7 | ssdif0 4249 | . . . . . . . . 9 ⊢ (𝑒 ⊆ 𝑂 ↔ (𝑒 ∖ 𝑂) = ∅) | |
8 | 3, 7 | sylib 219 | . . . . . . . 8 ⊢ ((𝜑 ∧ 𝑒 ∈ 𝒫 𝑂) → (𝑒 ∖ 𝑂) = ∅) |
9 | 8 | fveq2d 6549 | . . . . . . 7 ⊢ ((𝜑 ∧ 𝑒 ∈ 𝒫 𝑂) → (𝑀‘(𝑒 ∖ 𝑂)) = (𝑀‘∅)) |
10 | baselcarsg.1 | . . . . . . . 8 ⊢ (𝜑 → (𝑀‘∅) = 0) | |
11 | 10 | adantr 481 | . . . . . . 7 ⊢ ((𝜑 ∧ 𝑒 ∈ 𝒫 𝑂) → (𝑀‘∅) = 0) |
12 | 9, 11 | eqtrd 2833 | . . . . . 6 ⊢ ((𝜑 ∧ 𝑒 ∈ 𝒫 𝑂) → (𝑀‘(𝑒 ∖ 𝑂)) = 0) |
13 | 6, 12 | oveq12d 7041 | . . . . 5 ⊢ ((𝜑 ∧ 𝑒 ∈ 𝒫 𝑂) → ((𝑀‘(𝑒 ∩ 𝑂)) +𝑒 (𝑀‘(𝑒 ∖ 𝑂))) = ((𝑀‘𝑒) +𝑒 0)) |
14 | iccssxr 12673 | . . . . . . 7 ⊢ (0[,]+∞) ⊆ ℝ* | |
15 | carsgval.2 | . . . . . . . . 9 ⊢ (𝜑 → 𝑀:𝒫 𝑂⟶(0[,]+∞)) | |
16 | 15 | adantr 481 | . . . . . . . 8 ⊢ ((𝜑 ∧ 𝑒 ∈ 𝒫 𝑂) → 𝑀:𝒫 𝑂⟶(0[,]+∞)) |
17 | simpr 485 | . . . . . . . 8 ⊢ ((𝜑 ∧ 𝑒 ∈ 𝒫 𝑂) → 𝑒 ∈ 𝒫 𝑂) | |
18 | 16, 17 | ffvelrnd 6724 | . . . . . . 7 ⊢ ((𝜑 ∧ 𝑒 ∈ 𝒫 𝑂) → (𝑀‘𝑒) ∈ (0[,]+∞)) |
19 | 14, 18 | sseldi 3893 | . . . . . 6 ⊢ ((𝜑 ∧ 𝑒 ∈ 𝒫 𝑂) → (𝑀‘𝑒) ∈ ℝ*) |
20 | xaddid1 12488 | . . . . . 6 ⊢ ((𝑀‘𝑒) ∈ ℝ* → ((𝑀‘𝑒) +𝑒 0) = (𝑀‘𝑒)) | |
21 | 19, 20 | syl 17 | . . . . 5 ⊢ ((𝜑 ∧ 𝑒 ∈ 𝒫 𝑂) → ((𝑀‘𝑒) +𝑒 0) = (𝑀‘𝑒)) |
22 | 13, 21 | eqtrd 2833 | . . . 4 ⊢ ((𝜑 ∧ 𝑒 ∈ 𝒫 𝑂) → ((𝑀‘(𝑒 ∩ 𝑂)) +𝑒 (𝑀‘(𝑒 ∖ 𝑂))) = (𝑀‘𝑒)) |
23 | 22 | ralrimiva 3151 | . . 3 ⊢ (𝜑 → ∀𝑒 ∈ 𝒫 𝑂((𝑀‘(𝑒 ∩ 𝑂)) +𝑒 (𝑀‘(𝑒 ∖ 𝑂))) = (𝑀‘𝑒)) |
24 | 1, 23 | jca 512 | . 2 ⊢ (𝜑 → (𝑂 ⊆ 𝑂 ∧ ∀𝑒 ∈ 𝒫 𝑂((𝑀‘(𝑒 ∩ 𝑂)) +𝑒 (𝑀‘(𝑒 ∖ 𝑂))) = (𝑀‘𝑒))) |
25 | carsgval.1 | . . 3 ⊢ (𝜑 → 𝑂 ∈ 𝑉) | |
26 | 25, 15 | elcarsg 31176 | . 2 ⊢ (𝜑 → (𝑂 ∈ (toCaraSiga‘𝑀) ↔ (𝑂 ⊆ 𝑂 ∧ ∀𝑒 ∈ 𝒫 𝑂((𝑀‘(𝑒 ∩ 𝑂)) +𝑒 (𝑀‘(𝑒 ∖ 𝑂))) = (𝑀‘𝑒)))) |
27 | 24, 26 | mpbird 258 | 1 ⊢ (𝜑 → 𝑂 ∈ (toCaraSiga‘𝑀)) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 396 = wceq 1525 ∈ wcel 2083 ∀wral 3107 ∖ cdif 3862 ∩ cin 3864 ⊆ wss 3865 ∅c0 4217 𝒫 cpw 4459 ⟶wf 6228 ‘cfv 6232 (class class class)co 7023 0cc0 10390 +∞cpnf 10525 ℝ*cxr 10527 +𝑒 cxad 12359 [,]cicc 12595 toCaraSigaccarsg 31172 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1781 ax-4 1795 ax-5 1892 ax-6 1951 ax-7 1996 ax-8 2085 ax-9 2093 ax-10 2114 ax-11 2128 ax-12 2143 ax-13 2346 ax-ext 2771 ax-rep 5088 ax-sep 5101 ax-nul 5108 ax-pow 5164 ax-pr 5228 ax-un 7326 ax-cnex 10446 ax-resscn 10447 ax-1cn 10448 ax-icn 10449 ax-addcl 10450 ax-addrcl 10451 ax-mulcl 10452 ax-mulrcl 10453 ax-mulcom 10454 ax-addass 10455 ax-mulass 10456 ax-distr 10457 ax-i2m1 10458 ax-1ne0 10459 ax-1rid 10460 ax-rnegex 10461 ax-rrecex 10462 ax-cnre 10463 ax-pre-lttri 10464 ax-pre-lttrn 10465 ax-pre-ltadd 10466 |
This theorem depends on definitions: df-bi 208 df-an 397 df-or 843 df-3or 1081 df-3an 1082 df-tru 1528 df-ex 1766 df-nf 1770 df-sb 2045 df-mo 2578 df-eu 2614 df-clab 2778 df-cleq 2790 df-clel 2865 df-nfc 2937 df-ne 2987 df-nel 3093 df-ral 3112 df-rex 3113 df-reu 3114 df-rab 3116 df-v 3442 df-sbc 3712 df-csb 3818 df-dif 3868 df-un 3870 df-in 3872 df-ss 3880 df-nul 4218 df-if 4388 df-pw 4461 df-sn 4479 df-pr 4481 df-op 4485 df-uni 4752 df-iun 4833 df-br 4969 df-opab 5031 df-mpt 5048 df-id 5355 df-po 5369 df-so 5370 df-xp 5456 df-rel 5457 df-cnv 5458 df-co 5459 df-dm 5460 df-rn 5461 df-res 5462 df-ima 5463 df-iota 6196 df-fun 6234 df-fn 6235 df-f 6236 df-f1 6237 df-fo 6238 df-f1o 6239 df-fv 6240 df-ov 7026 df-oprab 7027 df-mpo 7028 df-1st 7552 df-2nd 7553 df-er 8146 df-en 8365 df-dom 8366 df-sdom 8367 df-pnf 10530 df-mnf 10531 df-xr 10532 df-ltxr 10533 df-xadd 12362 df-icc 12599 df-carsg 31173 |
This theorem is referenced by: carsguni 31179 fiunelcarsg 31187 carsgsiga 31193 |
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