| 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 35212 | . 2 ⊢ (𝜑 → (𝑋∘RV/𝑐 E 𝐴) = (◡𝑋 “ 𝐴)) |
| 5 | 1, 2 | rrvfinvima 35193 | . . 3 ⊢ (𝜑 → ∀𝑎 ∈ 𝔅ℝ (◡𝑋 “ 𝑎) ∈ dom 𝑃) |
| 6 | simpr 490 | . . . . . 6 ⊢ ((𝜑 ∧ 𝑎 = 𝐴) → 𝑎 = 𝐴) | |
| 7 | 6 | imaeq2d 6070 | . . . . 5 ⊢ ((𝜑 ∧ 𝑎 = 𝐴) → (◡𝑋 “ 𝑎) = (◡𝑋 “ 𝐴)) |
| 8 | 7 | eleq1d 2849 | . . . 4 ⊢ ((𝜑 ∧ 𝑎 = 𝐴) → ((◡𝑋 “ 𝑎) ∈ dom 𝑃 ↔ (◡𝑋 “ 𝐴) ∈ dom 𝑃)) |
| 9 | 3, 8 | rspcdv 3572 | . . 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 2864 | 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 1570 ∈ wcel 2147 ∀wral 3080 E cep 5557 ◡ccnv 5657 dom cdm 5658 “ cima 5661 ‘cfv 6566 (class class class)co 7451 𝔅ℝcbrsiga 34925 Probcprb 35150 rRndVarcrrv 35183 ∘RV/𝑐corvc 35199 |
| 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 1945 ax-6 2002 ax-7 2043 ax-8 2149 ax-9 2157 ax-10 2180 ax-11 2197 ax-12 2216 ax-ext 2735 ax-sep 5255 ax-nul 5266 ax-pow 5334 ax-pr 5398 ax-un 7783 ax-cnex 11295 ax-resscn 11296 ax-pre-lttri 11313 ax-pre-lttrn 11314 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2102 df-mo 2567 df-eu 2597 df-clab 2742 df-cleq 2755 df-clel 2839 df-nfc 2913 df-ne 2960 df-nel 3066 df-ral 3081 df-rex 3091 df-rab 3417 df-v 3456 df-sbc 3743 df-csb 3852 df-ss 3901 df-dif 4050 df-in 4094 df-un 4154 df-nul 4282 df-if 4486 df-pw 4562 df-sn 4589 df-pr 4591 df-op 4841 df-uni 4873 df-int 4913 df-iun 4958 df-br 5109 df-opab 5174 df-mpt 5193 df-id 5553 df-eprel 5558 df-po 5566 df-so 5567 df-xp 5664 df-rel 5665 df-cnv 5666 df-co 5667 df-dm 5668 df-rn 5669 df-res 5670 df-ima 5671 df-iota 6520 df-fun 6568 df-fn 6569 df-f 6570 df-f1 6571 df-fo 6572 df-f1o 6573 df-fv 6574 df-ov 7454 df-oprab 7455 df-mpo 7456 df-1st 8035 df-2nd 8036 df-er 8755 df-map 8887 df-en 9012 df-dom 9013 df-sdom 9014 df-pnf 11384 df-mnf 11385 df-xr 11386 df-ltxr 11387 df-le 11388 df-ioo 13520 df-topgen 17664 df-top 23267 df-bases 23319 df-esum 34771 df-siga 34852 df-sigagen 34883 df-brsiga 34926 df-meas 34940 df-mbfm 34994 df-prob 35151 df-rrv 35184 df-orvc 35200 |
| This theorem is used by: dstrvprob 35215 |
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