Mathbox for Thierry Arnoux |
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Mirrors > Home > MPE Home > Th. List > Mathboxes > probdif | Structured version Visualization version GIF version |
Description: The probability of the difference of two event sets. (Contributed by Thierry Arnoux, 12-Dec-2016.) |
Ref | Expression |
---|---|
probdif | ⊢ ((𝑃 ∈ Prob ∧ 𝐴 ∈ dom 𝑃 ∧ 𝐵 ∈ dom 𝑃) → (𝑃‘(𝐴 ∖ 𝐵)) = ((𝑃‘𝐴) − (𝑃‘(𝐴 ∩ 𝐵)))) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | inundif 4409 | . . . . 5 ⊢ ((𝐴 ∩ 𝐵) ∪ (𝐴 ∖ 𝐵)) = 𝐴 | |
2 | 1 | fveq2i 6759 | . . . 4 ⊢ (𝑃‘((𝐴 ∩ 𝐵) ∪ (𝐴 ∖ 𝐵))) = (𝑃‘𝐴) |
3 | simp1 1134 | . . . . 5 ⊢ ((𝑃 ∈ Prob ∧ 𝐴 ∈ dom 𝑃 ∧ 𝐵 ∈ dom 𝑃) → 𝑃 ∈ Prob) | |
4 | domprobsiga 32278 | . . . . . 6 ⊢ (𝑃 ∈ Prob → dom 𝑃 ∈ ∪ ran sigAlgebra) | |
5 | inelsiga 32003 | . . . . . 6 ⊢ ((dom 𝑃 ∈ ∪ ran sigAlgebra ∧ 𝐴 ∈ dom 𝑃 ∧ 𝐵 ∈ dom 𝑃) → (𝐴 ∩ 𝐵) ∈ dom 𝑃) | |
6 | 4, 5 | syl3an1 1161 | . . . . 5 ⊢ ((𝑃 ∈ Prob ∧ 𝐴 ∈ dom 𝑃 ∧ 𝐵 ∈ dom 𝑃) → (𝐴 ∩ 𝐵) ∈ dom 𝑃) |
7 | difelsiga 32001 | . . . . . 6 ⊢ ((dom 𝑃 ∈ ∪ ran sigAlgebra ∧ 𝐴 ∈ dom 𝑃 ∧ 𝐵 ∈ dom 𝑃) → (𝐴 ∖ 𝐵) ∈ dom 𝑃) | |
8 | 4, 7 | syl3an1 1161 | . . . . 5 ⊢ ((𝑃 ∈ Prob ∧ 𝐴 ∈ dom 𝑃 ∧ 𝐵 ∈ dom 𝑃) → (𝐴 ∖ 𝐵) ∈ dom 𝑃) |
9 | inindif 30764 | . . . . . 6 ⊢ ((𝐴 ∩ 𝐵) ∩ (𝐴 ∖ 𝐵)) = ∅ | |
10 | probun 32286 | . . . . . 6 ⊢ ((𝑃 ∈ Prob ∧ (𝐴 ∩ 𝐵) ∈ dom 𝑃 ∧ (𝐴 ∖ 𝐵) ∈ dom 𝑃) → (((𝐴 ∩ 𝐵) ∩ (𝐴 ∖ 𝐵)) = ∅ → (𝑃‘((𝐴 ∩ 𝐵) ∪ (𝐴 ∖ 𝐵))) = ((𝑃‘(𝐴 ∩ 𝐵)) + (𝑃‘(𝐴 ∖ 𝐵))))) | |
11 | 9, 10 | mpi 20 | . . . . 5 ⊢ ((𝑃 ∈ Prob ∧ (𝐴 ∩ 𝐵) ∈ dom 𝑃 ∧ (𝐴 ∖ 𝐵) ∈ dom 𝑃) → (𝑃‘((𝐴 ∩ 𝐵) ∪ (𝐴 ∖ 𝐵))) = ((𝑃‘(𝐴 ∩ 𝐵)) + (𝑃‘(𝐴 ∖ 𝐵)))) |
12 | 3, 6, 8, 11 | syl3anc 1369 | . . . 4 ⊢ ((𝑃 ∈ Prob ∧ 𝐴 ∈ dom 𝑃 ∧ 𝐵 ∈ dom 𝑃) → (𝑃‘((𝐴 ∩ 𝐵) ∪ (𝐴 ∖ 𝐵))) = ((𝑃‘(𝐴 ∩ 𝐵)) + (𝑃‘(𝐴 ∖ 𝐵)))) |
13 | 2, 12 | eqtr3id 2793 | . . 3 ⊢ ((𝑃 ∈ Prob ∧ 𝐴 ∈ dom 𝑃 ∧ 𝐵 ∈ dom 𝑃) → (𝑃‘𝐴) = ((𝑃‘(𝐴 ∩ 𝐵)) + (𝑃‘(𝐴 ∖ 𝐵)))) |
14 | 13 | oveq1d 7270 | . 2 ⊢ ((𝑃 ∈ Prob ∧ 𝐴 ∈ dom 𝑃 ∧ 𝐵 ∈ dom 𝑃) → ((𝑃‘𝐴) − (𝑃‘(𝐴 ∩ 𝐵))) = (((𝑃‘(𝐴 ∩ 𝐵)) + (𝑃‘(𝐴 ∖ 𝐵))) − (𝑃‘(𝐴 ∩ 𝐵)))) |
15 | unitsscn 13161 | . . . 4 ⊢ (0[,]1) ⊆ ℂ | |
16 | prob01 32280 | . . . . 5 ⊢ ((𝑃 ∈ Prob ∧ (𝐴 ∩ 𝐵) ∈ dom 𝑃) → (𝑃‘(𝐴 ∩ 𝐵)) ∈ (0[,]1)) | |
17 | 3, 6, 16 | syl2anc 583 | . . . 4 ⊢ ((𝑃 ∈ Prob ∧ 𝐴 ∈ dom 𝑃 ∧ 𝐵 ∈ dom 𝑃) → (𝑃‘(𝐴 ∩ 𝐵)) ∈ (0[,]1)) |
18 | 15, 17 | sselid 3915 | . . 3 ⊢ ((𝑃 ∈ Prob ∧ 𝐴 ∈ dom 𝑃 ∧ 𝐵 ∈ dom 𝑃) → (𝑃‘(𝐴 ∩ 𝐵)) ∈ ℂ) |
19 | prob01 32280 | . . . . 5 ⊢ ((𝑃 ∈ Prob ∧ (𝐴 ∖ 𝐵) ∈ dom 𝑃) → (𝑃‘(𝐴 ∖ 𝐵)) ∈ (0[,]1)) | |
20 | 3, 8, 19 | syl2anc 583 | . . . 4 ⊢ ((𝑃 ∈ Prob ∧ 𝐴 ∈ dom 𝑃 ∧ 𝐵 ∈ dom 𝑃) → (𝑃‘(𝐴 ∖ 𝐵)) ∈ (0[,]1)) |
21 | 15, 20 | sselid 3915 | . . 3 ⊢ ((𝑃 ∈ Prob ∧ 𝐴 ∈ dom 𝑃 ∧ 𝐵 ∈ dom 𝑃) → (𝑃‘(𝐴 ∖ 𝐵)) ∈ ℂ) |
22 | 18, 21 | pncan2d 11264 | . 2 ⊢ ((𝑃 ∈ Prob ∧ 𝐴 ∈ dom 𝑃 ∧ 𝐵 ∈ dom 𝑃) → (((𝑃‘(𝐴 ∩ 𝐵)) + (𝑃‘(𝐴 ∖ 𝐵))) − (𝑃‘(𝐴 ∩ 𝐵))) = (𝑃‘(𝐴 ∖ 𝐵))) |
23 | 14, 22 | eqtr2d 2779 | 1 ⊢ ((𝑃 ∈ Prob ∧ 𝐴 ∈ dom 𝑃 ∧ 𝐵 ∈ dom 𝑃) → (𝑃‘(𝐴 ∖ 𝐵)) = ((𝑃‘𝐴) − (𝑃‘(𝐴 ∩ 𝐵)))) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ w3a 1085 = wceq 1539 ∈ wcel 2108 ∖ cdif 3880 ∪ cun 3881 ∩ cin 3882 ∅c0 4253 ∪ cuni 4836 dom cdm 5580 ran crn 5581 ‘cfv 6418 (class class class)co 7255 ℂcc 10800 0cc0 10802 1c1 10803 + caddc 10805 − cmin 11135 [,]cicc 13011 sigAlgebracsiga 31976 Probcprb 32274 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1799 ax-4 1813 ax-5 1914 ax-6 1972 ax-7 2012 ax-8 2110 ax-9 2118 ax-10 2139 ax-11 2156 ax-12 2173 ax-ext 2709 ax-rep 5205 ax-sep 5218 ax-nul 5225 ax-pow 5283 ax-pr 5347 ax-un 7566 ax-inf2 9329 ax-ac2 10150 ax-cnex 10858 ax-resscn 10859 ax-1cn 10860 ax-icn 10861 ax-addcl 10862 ax-addrcl 10863 ax-mulcl 10864 ax-mulrcl 10865 ax-mulcom 10866 ax-addass 10867 ax-mulass 10868 ax-distr 10869 ax-i2m1 10870 ax-1ne0 10871 ax-1rid 10872 ax-rnegex 10873 ax-rrecex 10874 ax-cnre 10875 ax-pre-lttri 10876 ax-pre-lttrn 10877 ax-pre-ltadd 10878 ax-pre-mulgt0 10879 ax-pre-sup 10880 ax-addf 10881 ax-mulf 10882 |
This theorem depends on definitions: df-bi 206 df-an 396 df-or 844 df-3or 1086 df-3an 1087 df-tru 1542 df-fal 1552 df-ex 1784 df-nf 1788 df-sb 2069 df-mo 2540 df-eu 2569 df-clab 2716 df-cleq 2730 df-clel 2817 df-nfc 2888 df-ne 2943 df-nel 3049 df-ral 3068 df-rex 3069 df-reu 3070 df-rmo 3071 df-rab 3072 df-v 3424 df-sbc 3712 df-csb 3829 df-dif 3886 df-un 3888 df-in 3890 df-ss 3900 df-pss 3902 df-nul 4254 df-if 4457 df-pw 4532 df-sn 4559 df-pr 4561 df-tp 4563 df-op 4565 df-uni 4837 df-int 4877 df-iun 4923 df-iin 4924 df-disj 5036 df-br 5071 df-opab 5133 df-mpt 5154 df-tr 5188 df-id 5480 df-eprel 5486 df-po 5494 df-so 5495 df-fr 5535 df-se 5536 df-we 5537 df-xp 5586 df-rel 5587 df-cnv 5588 df-co 5589 df-dm 5590 df-rn 5591 df-res 5592 df-ima 5593 df-pred 6191 df-ord 6254 df-on 6255 df-lim 6256 df-suc 6257 df-iota 6376 df-fun 6420 df-fn 6421 df-f 6422 df-f1 6423 df-fo 6424 df-f1o 6425 df-fv 6426 df-isom 6427 df-riota 7212 df-ov 7258 df-oprab 7259 df-mpo 7260 df-of 7511 df-om 7688 df-1st 7804 df-2nd 7805 df-supp 7949 df-frecs 8068 df-wrecs 8099 df-recs 8173 df-rdg 8212 df-1o 8267 df-2o 8268 df-er 8456 df-map 8575 df-pm 8576 df-ixp 8644 df-en 8692 df-dom 8693 df-sdom 8694 df-fin 8695 df-fsupp 9059 df-fi 9100 df-sup 9131 df-inf 9132 df-oi 9199 df-dju 9590 df-card 9628 df-acn 9631 df-ac 9803 df-pnf 10942 df-mnf 10943 df-xr 10944 df-ltxr 10945 df-le 10946 df-sub 11137 df-neg 11138 df-div 11563 df-nn 11904 df-2 11966 df-3 11967 df-4 11968 df-5 11969 df-6 11970 df-7 11971 df-8 11972 df-9 11973 df-n0 12164 df-z 12250 df-dec 12367 df-uz 12512 df-q 12618 df-rp 12660 df-xneg 12777 df-xadd 12778 df-xmul 12779 df-ioo 13012 df-ioc 13013 df-ico 13014 df-icc 13015 df-fz 13169 df-fzo 13312 df-fl 13440 df-mod 13518 df-seq 13650 df-exp 13711 df-fac 13916 df-bc 13945 df-hash 13973 df-shft 14706 df-cj 14738 df-re 14739 df-im 14740 df-sqrt 14874 df-abs 14875 df-limsup 15108 df-clim 15125 df-rlim 15126 df-sum 15326 df-ef 15705 df-sin 15707 df-cos 15708 df-pi 15710 df-struct 16776 df-sets 16793 df-slot 16811 df-ndx 16823 df-base 16841 df-ress 16868 df-plusg 16901 df-mulr 16902 df-starv 16903 df-sca 16904 df-vsca 16905 df-ip 16906 df-tset 16907 df-ple 16908 df-ds 16910 df-unif 16911 df-hom 16912 df-cco 16913 df-rest 17050 df-topn 17051 df-0g 17069 df-gsum 17070 df-topgen 17071 df-pt 17072 df-prds 17075 df-ordt 17129 df-xrs 17130 df-qtop 17135 df-imas 17136 df-xps 17138 df-mre 17212 df-mrc 17213 df-acs 17215 df-ps 18199 df-tsr 18200 df-plusf 18240 df-mgm 18241 df-sgrp 18290 df-mnd 18301 df-mhm 18345 df-submnd 18346 df-grp 18495 df-minusg 18496 df-sbg 18497 df-mulg 18616 df-subg 18667 df-cntz 18838 df-cmn 19303 df-abl 19304 df-mgp 19636 df-ur 19653 df-ring 19700 df-cring 19701 df-subrg 19937 df-abv 19992 df-lmod 20040 df-scaf 20041 df-sra 20349 df-rgmod 20350 df-psmet 20502 df-xmet 20503 df-met 20504 df-bl 20505 df-mopn 20506 df-fbas 20507 df-fg 20508 df-cnfld 20511 df-top 21951 df-topon 21968 df-topsp 21990 df-bases 22004 df-cld 22078 df-ntr 22079 df-cls 22080 df-nei 22157 df-lp 22195 df-perf 22196 df-cn 22286 df-cnp 22287 df-haus 22374 df-tx 22621 df-hmeo 22814 df-fil 22905 df-fm 22997 df-flim 22998 df-flf 22999 df-tmd 23131 df-tgp 23132 df-tsms 23186 df-trg 23219 df-xms 23381 df-ms 23382 df-tms 23383 df-nm 23644 df-ngp 23645 df-nrg 23647 df-nlm 23648 df-ii 23946 df-cncf 23947 df-limc 24935 df-dv 24936 df-log 25617 df-esum 31896 df-siga 31977 df-meas 32064 df-prob 32275 |
This theorem is referenced by: probdsb 32289 |
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