| Mathbox for Thierry Arnoux |
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| Mirrors > Home > MPE Home > Th. List > Mathboxes > coinflippvt | Structured version Visualization version GIF version | ||
| Description: The probability of tails is one-half. (Contributed by Thierry Arnoux, 5-Feb-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 |
|---|---|
| coinflippvt | ⊢ (𝑃‘{𝑇}) = (1 / 2) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | coinflip.h | . . . . 5 ⊢ 𝐻 ∈ V | |
| 2 | coinflip.t | . . . . 5 ⊢ 𝑇 ∈ V | |
| 3 | coinflip.th | . . . . 5 ⊢ 𝐻 ≠ 𝑇 | |
| 4 | coinflip.2 | . . . . 5 ⊢ 𝑃 = ((♯ ↾ 𝒫 {𝐻, 𝑇}) ∘f/c / 2) | |
| 5 | coinflip.3 | . . . . 5 ⊢ 𝑋 = {〈𝐻, 1〉, 〈𝑇, 0〉} | |
| 6 | 1, 2, 3, 4, 5 | coinflipprob 35046 | . . . 4 ⊢ 𝑃 ∈ Prob |
| 7 | 1 | prid1 4722 | . . . . . 6 ⊢ 𝐻 ∈ {𝐻, 𝑇} |
| 8 | snelpwi 5411 | . . . . . 6 ⊢ (𝐻 ∈ {𝐻, 𝑇} → {𝐻} ∈ 𝒫 {𝐻, 𝑇}) | |
| 9 | 7, 8 | ax-mp 5 | . . . . 5 ⊢ {𝐻} ∈ 𝒫 {𝐻, 𝑇} |
| 10 | 1, 2, 3, 4, 5 | coinflipspace 35047 | . . . . 5 ⊢ dom 𝑃 = 𝒫 {𝐻, 𝑇} |
| 11 | 9, 10 | eleqtrri 2859 | . . . 4 ⊢ {𝐻} ∈ dom 𝑃 |
| 12 | probdsb 34988 | . . . 4 ⊢ ((𝑃 ∈ Prob ∧ {𝐻} ∈ dom 𝑃) → (𝑃‘(∪ dom 𝑃 ∖ {𝐻})) = (1 − (𝑃‘{𝐻}))) | |
| 13 | 6, 11, 12 | mp2an 705 | . . 3 ⊢ (𝑃‘(∪ dom 𝑃 ∖ {𝐻})) = (1 − (𝑃‘{𝐻})) |
| 14 | 1, 2, 3, 4, 5 | coinflipuniv 35048 | . . . . . 6 ⊢ ∪ dom 𝑃 = {𝐻, 𝑇} |
| 15 | 14 | difeq1i 4069 | . . . . 5 ⊢ (∪ dom 𝑃 ∖ {𝐻}) = ({𝐻, 𝑇} ∖ {𝐻}) |
| 16 | difprsn1 4762 | . . . . . 6 ⊢ (𝐻 ≠ 𝑇 → ({𝐻, 𝑇} ∖ {𝐻}) = {𝑇}) | |
| 17 | 3, 16 | ax-mp 5 | . . . . 5 ⊢ ({𝐻, 𝑇} ∖ {𝐻}) = {𝑇} |
| 18 | 15, 17 | eqtri 2783 | . . . 4 ⊢ (∪ dom 𝑃 ∖ {𝐻}) = {𝑇} |
| 19 | 18 | fveq2i 6876 | . . 3 ⊢ (𝑃‘(∪ dom 𝑃 ∖ {𝐻})) = (𝑃‘{𝑇}) |
| 20 | 1, 2, 3, 4, 5 | coinflippv 35050 | . . . 4 ⊢ (𝑃‘{𝐻}) = (1 / 2) |
| 21 | 20 | oveq2i 7419 | . . 3 ⊢ (1 − (𝑃‘{𝐻})) = (1 − (1 / 2)) |
| 22 | 13, 19, 21 | 3eqtr3i 2791 | . 2 ⊢ (𝑃‘{𝑇}) = (1 − (1 / 2)) |
| 23 | 1mhlfehlf 12534 | . 2 ⊢ (1 − (1 / 2)) = (1 / 2) | |
| 24 | 22, 23 | eqtri 2783 | 1 ⊢ (𝑃‘{𝑇}) = (1 / 2) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: = wceq 1570 ∈ wcel 2145 ≠ wne 2955 Vcvv 3450 ∖ cdif 3895 𝒫 cpw 4556 {csn 4583 {cpr 4585 〈cop 4589 ∪ cuni 4866 dom cdm 5647 ↾ cres 5649 ‘cfv 6527 (class class class)co 7408 0cc0 11171 1c1 11172 − cmin 11512 / cdiv 11942 2c2 12366 ♯chash 14441 ∘f/c cofc 34660 Probcprb 34973 |
| 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 1943 ax-6 2000 ax-7 2041 ax-8 2147 ax-9 2155 ax-10 2178 ax-11 2194 ax-12 2213 ax-ext 2732 ax-rep 5231 ax-sep 5248 ax-nul 5259 ax-pow 5326 ax-pr 5390 ax-un 7734 ax-inf2 9620 ax-cnex 11227 ax-resscn 11228 ax-1cn 11229 ax-icn 11230 ax-addcl 11231 ax-addrcl 11232 ax-mulcl 11233 ax-mulrcl 11234 ax-mulcom 11235 ax-addass 11236 ax-mulass 11237 ax-distr 11238 ax-i2m1 11239 ax-1ne0 11240 ax-1rid 11241 ax-rnegex 11242 ax-rrecex 11243 ax-cnre 11244 ax-pre-lttri 11245 ax-pre-lttrn 11246 ax-pre-ltadd 11247 ax-pre-mulgt0 11248 ax-pre-sup 11249 ax-addf 11250 ax-mulf 11251 |
| 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 2100 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-rmo 3365 df-reu 3366 df-rab 3413 df-v 3452 df-sbc 3739 df-csb 3847 df-dif 3901 df-un 3903 df-in 3905 df-ss 3915 df-pss 3918 df-nul 4279 df-if 4482 df-pw 4558 df-sn 4584 df-pr 4586 df-tp 4588 df-op 4590 df-uni 4867 df-int 4907 df-iun 4952 df-iin 4953 df-disj 5070 df-br 5103 df-opab 5167 df-mpt 5186 df-tr 5212 df-id 5542 df-eprel 5547 df-po 5555 df-so 5556 df-fr 5600 df-se 5601 df-we 5602 df-xp 5653 df-rel 5654 df-cnv 5655 df-co 5656 df-dm 5657 df-rn 5658 df-res 5659 df-ima 5660 df-pred 6293 df-ord 6354 df-on 6355 df-lim 6356 df-suc 6357 df-iota 6483 df-fun 6529 df-fn 6530 df-f 6531 df-f1 6532 df-fo 6533 df-f1o 6534 df-fv 6535 df-isom 6536 df-riota 7365 df-ov 7411 df-oprab 7412 df-mpo 7413 df-of 7676 df-om 7861 df-1st 7984 df-2nd 7985 df-supp 8156 df-frecs 8277 df-wrecs 8308 df-recs 8357 df-rdg 8396 df-1o 8454 df-2o 8455 df-oadd 8458 df-er 8695 df-map 8827 df-pm 8828 df-ixp 8904 df-en 8952 df-dom 8953 df-sdom 8954 df-fin 8955 df-fsupp 9332 df-fi 9381 df-sup 9412 df-inf 9413 df-oi 9482 df-dju 9953 df-card 9991 df-pnf 11316 df-mnf 11317 df-xr 11318 df-ltxr 11319 df-le 11320 df-sub 11514 df-neg 11515 df-div 11943 df-nn 12305 df-2 12374 df-3 12375 df-4 12376 df-5 12377 df-6 12378 df-7 12379 df-8 12380 df-9 12381 df-n0 12576 df-xnn0 12649 df-z 12663 df-dec 12784 df-uz 12935 df-q 13045 df-rp 13090 df-xneg 13210 df-xadd 13211 df-xmul 13212 df-ioo 13449 df-ioc 13450 df-ico 13451 df-icc 13452 df-fz 13609 df-fzo 13757 df-fl 13900 df-mod 13978 df-seq 14113 df-exp 14173 df-fac 14385 df-bc 14414 df-hash 14442 df-shft 15187 df-cj 15233 df-re 15234 df-im 15235 df-sqrt 15369 df-abs 15370 df-limsup 15605 df-clim 15622 df-rlim 15623 df-sum 15821 df-ef 16200 df-sin 16202 df-cos 16203 df-pi 16205 df-struct 17286 df-sets 17303 df-slot 17321 df-ndx 17333 df-base 17349 df-ress 17370 df-plusg 17402 df-mulr 17403 df-starv 17404 df-sca 17405 df-vsca 17406 df-ip 17407 df-tset 17408 df-ple 17409 df-ds 17411 df-unif 17412 df-hom 17413 df-cco 17414 df-rest 17554 df-topn 17555 df-0g 17573 df-gsum 17574 df-topgen 17575 df-pt 17576 df-prds 17579 df-ordt 17634 df-xrs 17635 df-qtop 17640 df-imas 17641 df-xps 17643 df-mre 17717 df-mrc 17718 df-acs 17720 df-ps 18701 df-tsr 18702 df-plusf 18776 df-mgm 18777 df-sgrp 18869 df-mnd 18885 df-mhm 18939 df-submnd 18940 df-grp 19108 df-minusg 19109 df-sbg 19110 df-mulg 19239 df-subg 19294 df-cntz 19492 df-cmn 19957 df-abl 19958 df-mgp 20322 df-rng 20336 df-ur 20369 df-ring 20422 df-cring 20423 df-subrng 20759 df-subrg 20783 df-abv 21027 df-lmod 21098 df-scaf 21099 df-sra 21409 df-rgmod 21410 df-psmet 21631 df-xmet 21632 df-met 21633 df-bl 21634 df-mopn 21635 df-fbas 21636 df-fg 21637 df-cnfld 21640 df-top 23173 df-topon 23190 df-topsp 23212 df-bases 23225 df-cld 23298 df-ntr 23299 df-cls 23300 df-nei 23377 df-lp 23415 df-perf 23416 df-cn 23506 df-cnp 23507 df-haus 23594 df-tx 23842 df-hmeo 24035 df-fil 24126 df-fm 24218 df-flim 24219 df-flf 24220 df-tmd 24352 df-tgp 24353 df-tsms 24407 df-trg 24440 df-xms 24600 df-ms 24601 df-tms 24602 df-nm 24862 df-ngp 24863 df-nrg 24865 df-nlm 24866 df-ii 25159 df-cncf 25160 df-limc 26147 df-dv 26148 df-log 26847 df-xdiv 33417 df-esum 34593 df-ofc 34661 df-siga 34674 df-meas 34762 df-prob 34974 |
| This theorem is used by: (None) |
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