| Mathbox for Thierry Arnoux |
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| Mirrors > Home > MPE Home > Th. List > Mathboxes > orvcelel | Structured version Visualization version GIF version | ||
| Description: Preimage maps produced by the membership relation are measurable sets. (Contributed by Thierry Arnoux, 5-Feb-2017.) |
| Ref | Expression |
|---|---|
| dstrvprob.1 | ⊢ (𝜑 → 𝑃 ∈ Prob) |
| dstrvprob.2 | ⊢ (𝜑 → 𝑋 ∈ (rRndVar‘𝑃)) |
| orvcelel.1 | ⊢ (𝜑 → 𝐴 ∈ 𝔅ℝ) |
| Ref | Expression |
|---|---|
| orvcelel | ⊢ (𝜑 → (𝑋∘RV/𝑐 E 𝐴) ∈ dom 𝑃) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | dstrvprob.1 | . . 3 ⊢ (𝜑 → 𝑃 ∈ Prob) | |
| 2 | dstrvprob.2 | . . 3 ⊢ (𝜑 → 𝑋 ∈ (rRndVar‘𝑃)) | |
| 3 | orvcelel.1 | . . 3 ⊢ (𝜑 → 𝐴 ∈ 𝔅ℝ) | |
| 4 | 1, 2, 3 | orvcelval 35149 | . 2 ⊢ (𝜑 → (𝑋∘RV/𝑐 E 𝐴) = (◡𝑋 “ 𝐴)) |
| 5 | 1, 2 | rrvfinvima 35130 | . . 3 ⊢ (𝜑 → ∀𝑎 ∈ 𝔅ℝ (◡𝑋 “ 𝑎) ∈ dom 𝑃) |
| 6 | simpr 490 | . . . . . 6 ⊢ ((𝜑 ∧ 𝑎 = 𝐴) → 𝑎 = 𝐴) | |
| 7 | 6 | imaeq2d 6053 | . . . . 5 ⊢ ((𝜑 ∧ 𝑎 = 𝐴) → (◡𝑋 “ 𝑎) = (◡𝑋 “ 𝐴)) |
| 8 | 7 | eleq1d 2845 | . . . 4 ⊢ ((𝜑 ∧ 𝑎 = 𝐴) → ((◡𝑋 “ 𝑎) ∈ dom 𝑃 ↔ (◡𝑋 “ 𝐴) ∈ dom 𝑃)) |
| 9 | 3, 8 | rspcdv 3568 | . . 3 ⊢ (𝜑 → (∀𝑎 ∈ 𝔅ℝ (◡𝑋 “ 𝑎) ∈ dom 𝑃 → (◡𝑋 “ 𝐴) ∈ dom 𝑃)) |
| 10 | 5, 9 | mpd 16 | . 2 ⊢ (𝜑 → (◡𝑋 “ 𝐴) ∈ dom 𝑃) |
| 11 | 4, 10 | eqeltrd 2860 | 1 ⊢ (𝜑 → (𝑋∘RV/𝑐 E 𝐴) ∈ dom 𝑃) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∧ wa 401 = wceq 1569 ∈ wcel 2144 ∀wral 3076 E cep 5549 ◡ccnv 5649 dom cdm 5650 “ cima 5653 ‘cfv 6541 (class class class)co 7422 𝔅ℝcbrsiga 34862 Probcprb 35087 rRndVarcrrv 35120 ∘RV/𝑐corvc 35136 |
| 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 7753 ax-cnex 11261 ax-resscn 11262 ax-pre-lttri 11279 ax-pre-lttrn 11280 |
| 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 3848 df-ss 3897 df-dif 4046 df-in 4090 df-un 4150 df-nul 4278 df-if 4482 df-pw 4558 df-sn 4585 df-pr 4587 df-op 4835 df-uni 4867 df-int 4907 df-iun 4952 df-br 5103 df-opab 5167 df-mpt 5186 df-id 5545 df-eprel 5550 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 6496 df-fun 6543 df-fn 6544 df-f 6545 df-f1 6546 df-fo 6547 df-f1o 6548 df-fv 6549 df-ov 7425 df-oprab 7426 df-mpo 7427 df-1st 8003 df-2nd 8004 df-er 8722 df-map 8854 df-en 8979 df-dom 8980 df-sdom 8981 df-pnf 11350 df-mnf 11351 df-xr 11352 df-ltxr 11353 df-le 11354 df-ioo 13485 df-topgen 17621 df-top 23219 df-bases 23271 df-esum 34708 df-siga 34789 df-sigagen 34820 df-brsiga 34863 df-meas 34877 df-mbfm 34931 df-prob 35088 df-rrv 35121 df-orvc 35137 |
| This theorem is used by: dstrvprob 35152 |
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