Mathbox for Thierry Arnoux |
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Mirrors > Home > MPE Home > Th. List > Mathboxes > coinfliprv | Structured version Visualization version GIF version |
Description: The 𝑋 we defined for coin-flip is a random variable. (Contributed by Thierry Arnoux, 12-Jan-2017.) |
Ref | Expression |
---|---|
coinflip.h | ⊢ 𝐻 ∈ V |
coinflip.t | ⊢ 𝑇 ∈ V |
coinflip.th | ⊢ 𝐻 ≠ 𝑇 |
coinflip.2 | ⊢ 𝑃 = ((♯ ↾ 𝒫 {𝐻, 𝑇}) ∘f/c / 2) |
coinflip.3 | ⊢ 𝑋 = {〈𝐻, 1〉, 〈𝑇, 0〉} |
Ref | Expression |
---|---|
coinfliprv | ⊢ 𝑋 ∈ (rRndVar‘𝑃) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | coinflip.th | . . . . . 6 ⊢ 𝐻 ≠ 𝑇 | |
2 | coinflip.h | . . . . . . 7 ⊢ 𝐻 ∈ V | |
3 | coinflip.t | . . . . . . 7 ⊢ 𝑇 ∈ V | |
4 | 1ex 10955 | . . . . . . 7 ⊢ 1 ∈ V | |
5 | c0ex 10953 | . . . . . . 7 ⊢ 0 ∈ V | |
6 | 2, 3, 4, 5 | fpr 7020 | . . . . . 6 ⊢ (𝐻 ≠ 𝑇 → {〈𝐻, 1〉, 〈𝑇, 0〉}:{𝐻, 𝑇}⟶{1, 0}) |
7 | 1, 6 | ax-mp 5 | . . . . 5 ⊢ {〈𝐻, 1〉, 〈𝑇, 0〉}:{𝐻, 𝑇}⟶{1, 0} |
8 | coinflip.3 | . . . . . 6 ⊢ 𝑋 = {〈𝐻, 1〉, 〈𝑇, 0〉} | |
9 | 8 | feq1i 6587 | . . . . 5 ⊢ (𝑋:{𝐻, 𝑇}⟶{1, 0} ↔ {〈𝐻, 1〉, 〈𝑇, 0〉}:{𝐻, 𝑇}⟶{1, 0}) |
10 | 7, 9 | mpbir 230 | . . . 4 ⊢ 𝑋:{𝐻, 𝑇}⟶{1, 0} |
11 | coinflip.2 | . . . . . 6 ⊢ 𝑃 = ((♯ ↾ 𝒫 {𝐻, 𝑇}) ∘f/c / 2) | |
12 | 2, 3, 1, 11, 8 | coinflipuniv 32427 | . . . . 5 ⊢ ∪ dom 𝑃 = {𝐻, 𝑇} |
13 | 12 | feq2i 6588 | . . . 4 ⊢ (𝑋:∪ dom 𝑃⟶{1, 0} ↔ 𝑋:{𝐻, 𝑇}⟶{1, 0}) |
14 | 10, 13 | mpbir 230 | . . 3 ⊢ 𝑋:∪ dom 𝑃⟶{1, 0} |
15 | 1re 10959 | . . . . 5 ⊢ 1 ∈ ℝ | |
16 | 0re 10961 | . . . . 5 ⊢ 0 ∈ ℝ | |
17 | 15, 16 | pm3.2i 470 | . . . 4 ⊢ (1 ∈ ℝ ∧ 0 ∈ ℝ) |
18 | 4, 5 | prss 4758 | . . . 4 ⊢ ((1 ∈ ℝ ∧ 0 ∈ ℝ) ↔ {1, 0} ⊆ ℝ) |
19 | 17, 18 | mpbi 229 | . . 3 ⊢ {1, 0} ⊆ ℝ |
20 | fss 6613 | . . 3 ⊢ ((𝑋:∪ dom 𝑃⟶{1, 0} ∧ {1, 0} ⊆ ℝ) → 𝑋:∪ dom 𝑃⟶ℝ) | |
21 | 14, 19, 20 | mp2an 688 | . 2 ⊢ 𝑋:∪ dom 𝑃⟶ℝ |
22 | imassrn 5977 | . . . . 5 ⊢ (◡𝑋 “ 𝑦) ⊆ ran ◡𝑋 | |
23 | dfdm4 5801 | . . . . . 6 ⊢ dom 𝑋 = ran ◡𝑋 | |
24 | 10 | fdmi 6608 | . . . . . 6 ⊢ dom 𝑋 = {𝐻, 𝑇} |
25 | 23, 24 | eqtr3i 2769 | . . . . 5 ⊢ ran ◡𝑋 = {𝐻, 𝑇} |
26 | 22, 25 | sseqtri 3961 | . . . 4 ⊢ (◡𝑋 “ 𝑦) ⊆ {𝐻, 𝑇} |
27 | 2, 3, 1, 11, 8 | coinflipspace 32426 | . . . . . . 7 ⊢ dom 𝑃 = 𝒫 {𝐻, 𝑇} |
28 | 27 | eleq2i 2831 | . . . . . 6 ⊢ ((◡𝑋 “ 𝑦) ∈ dom 𝑃 ↔ (◡𝑋 “ 𝑦) ∈ 𝒫 {𝐻, 𝑇}) |
29 | prex 5358 | . . . . . . . . 9 ⊢ {〈𝐻, 1〉, 〈𝑇, 0〉} ∈ V | |
30 | 8, 29 | eqeltri 2836 | . . . . . . . 8 ⊢ 𝑋 ∈ V |
31 | cnvexg 7758 | . . . . . . . 8 ⊢ (𝑋 ∈ V → ◡𝑋 ∈ V) | |
32 | imaexg 7749 | . . . . . . . 8 ⊢ (◡𝑋 ∈ V → (◡𝑋 “ 𝑦) ∈ V) | |
33 | 30, 31, 32 | mp2b 10 | . . . . . . 7 ⊢ (◡𝑋 “ 𝑦) ∈ V |
34 | 33 | elpw 4542 | . . . . . 6 ⊢ ((◡𝑋 “ 𝑦) ∈ 𝒫 {𝐻, 𝑇} ↔ (◡𝑋 “ 𝑦) ⊆ {𝐻, 𝑇}) |
35 | 28, 34 | bitr2i 275 | . . . . 5 ⊢ ((◡𝑋 “ 𝑦) ⊆ {𝐻, 𝑇} ↔ (◡𝑋 “ 𝑦) ∈ dom 𝑃) |
36 | 35 | biimpi 215 | . . . 4 ⊢ ((◡𝑋 “ 𝑦) ⊆ {𝐻, 𝑇} → (◡𝑋 “ 𝑦) ∈ dom 𝑃) |
37 | 26, 36 | mp1i 13 | . . 3 ⊢ (𝑦 ∈ 𝔅ℝ → (◡𝑋 “ 𝑦) ∈ dom 𝑃) |
38 | 37 | rgen 3075 | . 2 ⊢ ∀𝑦 ∈ 𝔅ℝ (◡𝑋 “ 𝑦) ∈ dom 𝑃 |
39 | 2, 3, 1, 11, 8 | coinflipprob 32425 | . . . . 5 ⊢ 𝑃 ∈ Prob |
40 | 39 | a1i 11 | . . . 4 ⊢ (𝐻 ∈ V → 𝑃 ∈ Prob) |
41 | 40 | isrrvv 32389 | . . 3 ⊢ (𝐻 ∈ V → (𝑋 ∈ (rRndVar‘𝑃) ↔ (𝑋:∪ dom 𝑃⟶ℝ ∧ ∀𝑦 ∈ 𝔅ℝ (◡𝑋 “ 𝑦) ∈ dom 𝑃))) |
42 | 2, 41 | ax-mp 5 | . 2 ⊢ (𝑋 ∈ (rRndVar‘𝑃) ↔ (𝑋:∪ dom 𝑃⟶ℝ ∧ ∀𝑦 ∈ 𝔅ℝ (◡𝑋 “ 𝑦) ∈ dom 𝑃)) |
43 | 21, 38, 42 | mpbir2an 707 | 1 ⊢ 𝑋 ∈ (rRndVar‘𝑃) |
Colors of variables: wff setvar class |
Syntax hints: ↔ wb 205 ∧ wa 395 = wceq 1541 ∈ wcel 2109 ≠ wne 2944 ∀wral 3065 Vcvv 3430 ⊆ wss 3891 𝒫 cpw 4538 {cpr 4568 〈cop 4572 ∪ cuni 4844 ◡ccnv 5587 dom cdm 5588 ran crn 5589 ↾ cres 5590 “ cima 5591 ⟶wf 6426 ‘cfv 6430 (class class class)co 7268 ℝcr 10854 0cc0 10855 1c1 10856 / cdiv 11615 2c2 12011 ♯chash 14025 ∘f/c cofc 32042 𝔅ℝcbrsiga 32128 Probcprb 32353 rRndVarcrrv 32386 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1801 ax-4 1815 ax-5 1916 ax-6 1974 ax-7 2014 ax-8 2111 ax-9 2119 ax-10 2140 ax-11 2157 ax-12 2174 ax-ext 2710 ax-rep 5213 ax-sep 5226 ax-nul 5233 ax-pow 5291 ax-pr 5355 ax-un 7579 ax-inf2 9360 ax-cnex 10911 ax-resscn 10912 ax-1cn 10913 ax-icn 10914 ax-addcl 10915 ax-addrcl 10916 ax-mulcl 10917 ax-mulrcl 10918 ax-mulcom 10919 ax-addass 10920 ax-mulass 10921 ax-distr 10922 ax-i2m1 10923 ax-1ne0 10924 ax-1rid 10925 ax-rnegex 10926 ax-rrecex 10927 ax-cnre 10928 ax-pre-lttri 10929 ax-pre-lttrn 10930 ax-pre-ltadd 10931 ax-pre-mulgt0 10932 ax-pre-sup 10933 ax-addf 10934 ax-mulf 10935 |
This theorem depends on definitions: df-bi 206 df-an 396 df-or 844 df-3or 1086 df-3an 1087 df-tru 1544 df-fal 1554 df-ex 1786 df-nf 1790 df-sb 2071 df-mo 2541 df-eu 2570 df-clab 2717 df-cleq 2731 df-clel 2817 df-nfc 2890 df-ne 2945 df-nel 3051 df-ral 3070 df-rex 3071 df-reu 3072 df-rmo 3073 df-rab 3074 df-v 3432 df-sbc 3720 df-csb 3837 df-dif 3894 df-un 3896 df-in 3898 df-ss 3908 df-pss 3910 df-nul 4262 df-if 4465 df-pw 4540 df-sn 4567 df-pr 4569 df-tp 4571 df-op 4573 df-uni 4845 df-int 4885 df-iun 4931 df-iin 4932 df-disj 5044 df-br 5079 df-opab 5141 df-mpt 5162 df-tr 5196 df-id 5488 df-eprel 5494 df-po 5502 df-so 5503 df-fr 5543 df-se 5544 df-we 5545 df-xp 5594 df-rel 5595 df-cnv 5596 df-co 5597 df-dm 5598 df-rn 5599 df-res 5600 df-ima 5601 df-pred 6199 df-ord 6266 df-on 6267 df-lim 6268 df-suc 6269 df-iota 6388 df-fun 6432 df-fn 6433 df-f 6434 df-f1 6435 df-fo 6436 df-f1o 6437 df-fv 6438 df-isom 6439 df-riota 7225 df-ov 7271 df-oprab 7272 df-mpo 7273 df-of 7524 df-om 7701 df-1st 7817 df-2nd 7818 df-supp 7962 df-frecs 8081 df-wrecs 8112 df-recs 8186 df-rdg 8225 df-1o 8281 df-2o 8282 df-oadd 8285 df-er 8472 df-map 8591 df-pm 8592 df-ixp 8660 df-en 8708 df-dom 8709 df-sdom 8710 df-fin 8711 df-fsupp 9090 df-fi 9131 df-sup 9162 df-inf 9163 df-oi 9230 df-dju 9643 df-card 9681 df-pnf 10995 df-mnf 10996 df-xr 10997 df-ltxr 10998 df-le 10999 df-sub 11190 df-neg 11191 df-div 11616 df-nn 11957 df-2 12019 df-3 12020 df-4 12021 df-5 12022 df-6 12023 df-7 12024 df-8 12025 df-9 12026 df-n0 12217 df-xnn0 12289 df-z 12303 df-dec 12420 df-uz 12565 df-q 12671 df-rp 12713 df-xneg 12830 df-xadd 12831 df-xmul 12832 df-ioo 13065 df-ioc 13066 df-ico 13067 df-icc 13068 df-fz 13222 df-fzo 13365 df-fl 13493 df-mod 13571 df-seq 13703 df-exp 13764 df-fac 13969 df-bc 13998 df-hash 14026 df-shft 14759 df-cj 14791 df-re 14792 df-im 14793 df-sqrt 14927 df-abs 14928 df-limsup 15161 df-clim 15178 df-rlim 15179 df-sum 15379 df-ef 15758 df-sin 15760 df-cos 15761 df-pi 15763 df-struct 16829 df-sets 16846 df-slot 16864 df-ndx 16876 df-base 16894 df-ress 16923 df-plusg 16956 df-mulr 16957 df-starv 16958 df-sca 16959 df-vsca 16960 df-ip 16961 df-tset 16962 df-ple 16963 df-ds 16965 df-unif 16966 df-hom 16967 df-cco 16968 df-rest 17114 df-topn 17115 df-0g 17133 df-gsum 17134 df-topgen 17135 df-pt 17136 df-prds 17139 df-ordt 17193 df-xrs 17194 df-qtop 17199 df-imas 17200 df-xps 17202 df-mre 17276 df-mrc 17277 df-acs 17279 df-ps 18265 df-tsr 18266 df-plusf 18306 df-mgm 18307 df-sgrp 18356 df-mnd 18367 df-mhm 18411 df-submnd 18412 df-grp 18561 df-minusg 18562 df-sbg 18563 df-mulg 18682 df-subg 18733 df-cntz 18904 df-cmn 19369 df-abl 19370 df-mgp 19702 df-ur 19719 df-ring 19766 df-cring 19767 df-subrg 20003 df-abv 20058 df-lmod 20106 df-scaf 20107 df-sra 20415 df-rgmod 20416 df-psmet 20570 df-xmet 20571 df-met 20572 df-bl 20573 df-mopn 20574 df-fbas 20575 df-fg 20576 df-cnfld 20579 df-top 22024 df-topon 22041 df-topsp 22063 df-bases 22077 df-cld 22151 df-ntr 22152 df-cls 22153 df-nei 22230 df-lp 22268 df-perf 22269 df-cn 22359 df-cnp 22360 df-haus 22447 df-tx 22694 df-hmeo 22887 df-fil 22978 df-fm 23070 df-flim 23071 df-flf 23072 df-tmd 23204 df-tgp 23205 df-tsms 23259 df-trg 23292 df-xms 23454 df-ms 23455 df-tms 23456 df-nm 23719 df-ngp 23720 df-nrg 23722 df-nlm 23723 df-ii 24021 df-cncf 24022 df-limc 25011 df-dv 25012 df-log 25693 df-xdiv 31171 df-esum 31975 df-ofc 32043 df-siga 32056 df-sigagen 32086 df-brsiga 32129 df-meas 32143 df-mbfm 32197 df-prob 32354 df-rrv 32387 |
This theorem is referenced by: (None) |
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