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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 34450 | . 2 ⊢ (𝜑 → (𝑋∘RV/𝑐 E 𝐴) = (◡𝑋 “ 𝐴)) |
5 | 1, 2 | rrvfinvima 34432 | . . 3 ⊢ (𝜑 → ∀𝑎 ∈ 𝔅ℝ (◡𝑋 “ 𝑎) ∈ dom 𝑃) |
6 | simpr 484 | . . . . . 6 ⊢ ((𝜑 ∧ 𝑎 = 𝐴) → 𝑎 = 𝐴) | |
7 | 6 | imaeq2d 6080 | . . . . 5 ⊢ ((𝜑 ∧ 𝑎 = 𝐴) → (◡𝑋 “ 𝑎) = (◡𝑋 “ 𝐴)) |
8 | 7 | eleq1d 2824 | . . . 4 ⊢ ((𝜑 ∧ 𝑎 = 𝐴) → ((◡𝑋 “ 𝑎) ∈ dom 𝑃 ↔ (◡𝑋 “ 𝐴) ∈ dom 𝑃)) |
9 | 3, 8 | rspcdv 3614 | . . 3 ⊢ (𝜑 → (∀𝑎 ∈ 𝔅ℝ (◡𝑋 “ 𝑎) ∈ dom 𝑃 → (◡𝑋 “ 𝐴) ∈ dom 𝑃)) |
10 | 5, 9 | mpd 15 | . 2 ⊢ (𝜑 → (◡𝑋 “ 𝐴) ∈ dom 𝑃) |
11 | 4, 10 | eqeltrd 2839 | 1 ⊢ (𝜑 → (𝑋∘RV/𝑐 E 𝐴) ∈ dom 𝑃) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 395 = wceq 1537 ∈ wcel 2106 ∀wral 3059 E cep 5588 ◡ccnv 5688 dom cdm 5689 “ cima 5692 ‘cfv 6563 (class class class)co 7431 𝔅ℝcbrsiga 34162 Probcprb 34389 rRndVarcrrv 34422 ∘RV/𝑐corvc 34437 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1792 ax-4 1806 ax-5 1908 ax-6 1965 ax-7 2005 ax-8 2108 ax-9 2116 ax-10 2139 ax-11 2155 ax-12 2175 ax-ext 2706 ax-sep 5302 ax-nul 5312 ax-pow 5371 ax-pr 5438 ax-un 7754 ax-cnex 11209 ax-resscn 11210 ax-pre-lttri 11227 ax-pre-lttrn 11228 |
This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3or 1087 df-3an 1088 df-tru 1540 df-fal 1550 df-ex 1777 df-nf 1781 df-sb 2063 df-mo 2538 df-eu 2567 df-clab 2713 df-cleq 2727 df-clel 2814 df-nfc 2890 df-ne 2939 df-nel 3045 df-ral 3060 df-rex 3069 df-rab 3434 df-v 3480 df-sbc 3792 df-csb 3909 df-dif 3966 df-un 3968 df-in 3970 df-ss 3980 df-nul 4340 df-if 4532 df-pw 4607 df-sn 4632 df-pr 4634 df-op 4638 df-uni 4913 df-int 4952 df-iun 4998 df-br 5149 df-opab 5211 df-mpt 5232 df-id 5583 df-eprel 5589 df-po 5597 df-so 5598 df-xp 5695 df-rel 5696 df-cnv 5697 df-co 5698 df-dm 5699 df-rn 5700 df-res 5701 df-ima 5702 df-iota 6516 df-fun 6565 df-fn 6566 df-f 6567 df-f1 6568 df-fo 6569 df-f1o 6570 df-fv 6571 df-ov 7434 df-oprab 7435 df-mpo 7436 df-1st 8013 df-2nd 8014 df-er 8744 df-map 8867 df-en 8985 df-dom 8986 df-sdom 8987 df-pnf 11295 df-mnf 11296 df-xr 11297 df-ltxr 11298 df-le 11299 df-ioo 13388 df-topgen 17490 df-top 22916 df-bases 22969 df-esum 34009 df-siga 34090 df-sigagen 34120 df-brsiga 34163 df-meas 34177 df-mbfm 34231 df-prob 34390 df-rrv 34423 df-orvc 34438 |
This theorem is referenced by: dstrvprob 34453 |
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