sitmf - Mathbox for Thierry Arnoux

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Theorem sitmf 34517

Description: The integral metric as a function. (Contributed by Thierry Arnoux, 13-Mar-2018.)

**Hypotheses**
Ref	Expression
sitmf.0	⊢ (𝜑 → 𝑊 ∈ Mnd)
sitmf.1	⊢ (𝜑 → 𝑊 ∈ ∞MetSp)
sitmf.2	⊢ (𝜑 → 𝑀 ∈ ∪ ran measures)

**Assertion**
Ref	Expression
sitmf	⊢ (𝜑 → (𝑊sitm𝑀):(dom (𝑊sitg𝑀) × dom (𝑊sitg𝑀))⟶(0[,]+∞))

Proof of Theorem sitmf Dummy variables 𝑓 𝑔 are mutually distinct and distinct from all other variables.

Step	Hyp	Ref	Expression
1		eqid 2737	. . . . . 6 ⊢ (dist‘𝑊) = (dist‘𝑊)
2		sitmf.1	. . . . . . 7 ⊢ (𝜑 → 𝑊 ∈ ∞MetSp)
3	2	adantr 480	. . . . . 6 ⊢ ((𝜑 ∧ (𝑓 ∈ dom (𝑊sitg𝑀) ∧ 𝑔 ∈ dom (𝑊sitg𝑀))) → 𝑊 ∈ ∞MetSp)
4		sitmf.2	. . . . . . 7 ⊢ (𝜑 → 𝑀 ∈ ∪ ran measures)
5	4	adantr 480	. . . . . 6 ⊢ ((𝜑 ∧ (𝑓 ∈ dom (𝑊sitg𝑀) ∧ 𝑔 ∈ dom (𝑊sitg𝑀))) → 𝑀 ∈ ∪ ran measures)
6		simprl 771	. . . . . 6 ⊢ ((𝜑 ∧ (𝑓 ∈ dom (𝑊sitg𝑀) ∧ 𝑔 ∈ dom (𝑊sitg𝑀))) → 𝑓 ∈ dom (𝑊sitg𝑀))
7		simprr 773	. . . . . 6 ⊢ ((𝜑 ∧ (𝑓 ∈ dom (𝑊sitg𝑀) ∧ 𝑔 ∈ dom (𝑊sitg𝑀))) → 𝑔 ∈ dom (𝑊sitg𝑀))
8	1, 3, 5, 6, 7	sitmfval 34515	. . . . 5 ⊢ ((𝜑 ∧ (𝑓 ∈ dom (𝑊sitg𝑀) ∧ 𝑔 ∈ dom (𝑊sitg𝑀))) → (𝑓(𝑊sitm𝑀)𝑔) = (((ℝ^*_𝑠 ↾_s (0[,]+∞))sitg𝑀)‘(𝑓 ∘_f (dist‘𝑊)𝑔)))
9		sitmf.0	. . . . . . 7 ⊢ (𝜑 → 𝑊 ∈ Mnd)
10	9	adantr 480	. . . . . 6 ⊢ ((𝜑 ∧ (𝑓 ∈ dom (𝑊sitg𝑀) ∧ 𝑔 ∈ dom (𝑊sitg𝑀))) → 𝑊 ∈ Mnd)
11	10, 3, 5, 6, 7	sitmcl 34516	. . . . 5 ⊢ ((𝜑 ∧ (𝑓 ∈ dom (𝑊sitg𝑀) ∧ 𝑔 ∈ dom (𝑊sitg𝑀))) → (𝑓(𝑊sitm𝑀)𝑔) ∈ (0[,]+∞))
12	8, 11	eqeltrrd 2838	. . . 4 ⊢ ((𝜑 ∧ (𝑓 ∈ dom (𝑊sitg𝑀) ∧ 𝑔 ∈ dom (𝑊sitg𝑀))) → (((ℝ^*_𝑠 ↾_s (0[,]+∞))sitg𝑀)‘(𝑓 ∘_f (dist‘𝑊)𝑔)) ∈ (0[,]+∞))
13	12	ralrimivva 3181	. . 3 ⊢ (𝜑 → ∀𝑓 ∈ dom (𝑊sitg𝑀)∀𝑔 ∈ dom (𝑊sitg𝑀)(((ℝ^*_𝑠 ↾_s (0[,]+∞))sitg𝑀)‘(𝑓 ∘_f (dist‘𝑊)𝑔)) ∈ (0[,]+∞))
14		eqid 2737	. . . 4 ⊢ (𝑓 ∈ dom (𝑊sitg𝑀), 𝑔 ∈ dom (𝑊sitg𝑀) ↦ (((ℝ^_𝑠 ↾_s (0[,]+∞))sitg𝑀)‘(𝑓 ∘_f (dist‘𝑊)𝑔))) = (𝑓 ∈ dom (𝑊sitg𝑀), 𝑔 ∈ dom (𝑊sitg𝑀) ↦ (((ℝ^_𝑠 ↾_s (0[,]+∞))sitg𝑀)‘(𝑓 ∘_f (dist‘𝑊)𝑔)))
15	14	fmpo 8012	. . 3 ⊢ (∀𝑓 ∈ dom (𝑊sitg𝑀)∀𝑔 ∈ dom (𝑊sitg𝑀)(((ℝ^_𝑠 ↾_s (0[,]+∞))sitg𝑀)‘(𝑓 ∘_f (dist‘𝑊)𝑔)) ∈ (0[,]+∞) ↔ (𝑓 ∈ dom (𝑊sitg𝑀), 𝑔 ∈ dom (𝑊sitg𝑀) ↦ (((ℝ^_𝑠 ↾_s (0[,]+∞))sitg𝑀)‘(𝑓 ∘_f (dist‘𝑊)𝑔))):(dom (𝑊sitg𝑀) × dom (𝑊sitg𝑀))⟶(0[,]+∞))
16	13, 15	sylib 218	. 2 ⊢ (𝜑 → (𝑓 ∈ dom (𝑊sitg𝑀), 𝑔 ∈ dom (𝑊sitg𝑀) ↦ (((ℝ^*_𝑠 ↾_s (0[,]+∞))sitg𝑀)‘(𝑓 ∘_f (dist‘𝑊)𝑔))):(dom (𝑊sitg𝑀) × dom (𝑊sitg𝑀))⟶(0[,]+∞))
17	1, 2, 4	sitmval 34514	. . 3 ⊢ (𝜑 → (𝑊sitm𝑀) = (𝑓 ∈ dom (𝑊sitg𝑀), 𝑔 ∈ dom (𝑊sitg𝑀) ↦ (((ℝ^*_𝑠 ↾_s (0[,]+∞))sitg𝑀)‘(𝑓 ∘_f (dist‘𝑊)𝑔))))
18	17	feq1d 6642	. 2 ⊢ (𝜑 → ((𝑊sitm𝑀):(dom (𝑊sitg𝑀) × dom (𝑊sitg𝑀))⟶(0[,]+∞) ↔ (𝑓 ∈ dom (𝑊sitg𝑀), 𝑔 ∈ dom (𝑊sitg𝑀) ↦ (((ℝ^*_𝑠 ↾_s (0[,]+∞))sitg𝑀)‘(𝑓 ∘_f (dist‘𝑊)𝑔))):(dom (𝑊sitg𝑀) × dom (𝑊sitg𝑀))⟶(0[,]+∞)))
19	16, 18	mpbird 257	1 ⊢ (𝜑 → (𝑊sitm𝑀):(dom (𝑊sitg𝑀) × dom (𝑊sitg𝑀))⟶(0[,]+∞))

Colors of variables: wff setvar class

Syntax hints: → wi 4 ∧ wa 395 ∈ wcel 2114 ∀wral 3052 ∪ cuni 4851 × cxp 5620 dom cdm 5622 ran crn 5623 ⟶wf 6486 ‘cfv 6490 (class class class)co 7358 ∈ cmpo 7360 ∘_f cof 7620 0cc0 11027 +∞cpnf 11165 [,]cicc 13290 ↾_s cress 17189 distcds 17218 ℝ^*_𝑠cxrs 17453 Mndcmnd 18691 ∞MetSpcxms 24291 measurescmeas 34360 sitmcsitm 34493 sitgcsitg 34494

This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-9 2124 ax-10 2147 ax-11 2163 ax-12 2185 ax-ext 2709 ax-rep 5212 ax-sep 5231 ax-nul 5241 ax-pow 5300 ax-pr 5368 ax-un 7680 ax-inf2 9551 ax-ac2 10374 ax-cnex 11083 ax-resscn 11084 ax-1cn 11085 ax-icn 11086 ax-addcl 11087 ax-addrcl 11088 ax-mulcl 11089 ax-mulrcl 11090 ax-mulcom 11091 ax-addass 11092 ax-mulass 11093 ax-distr 11094 ax-i2m1 11095 ax-1ne0 11096 ax-1rid 11097 ax-rnegex 11098 ax-rrecex 11099 ax-cnre 11100 ax-pre-lttri 11101 ax-pre-lttrn 11102 ax-pre-ltadd 11103 ax-pre-mulgt0 11104 ax-pre-sup 11105 ax-addf 11106 ax-mulf 11107 ax-xrssca 33084 ax-xrsvsca 33085

This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3or 1088 df-3an 1089 df-tru 1545 df-fal 1555 df-ex 1782 df-nf 1786 df-sb 2069 df-mo 2540 df-eu 2570 df-clab 2716 df-cleq 2729 df-clel 2812 df-nfc 2886 df-ne 2934 df-nel 3038 df-ral 3053 df-rex 3063 df-rmo 3343 df-reu 3344 df-rab 3391 df-v 3432 df-sbc 3730 df-csb 3839 df-dif 3893 df-un 3895 df-in 3897 df-ss 3907 df-pss 3910 df-nul 4275 df-if 4468 df-pw 4544 df-sn 4569 df-pr 4571 df-tp 4573 df-op 4575 df-uni 4852 df-int 4891 df-iun 4936 df-iin 4937 df-disj 5054 df-br 5087 df-opab 5149 df-mpt 5168 df-tr 5194 df-id 5517 df-eprel 5522 df-po 5530 df-so 5531 df-fr 5575 df-se 5576 df-we 5577 df-xp 5628 df-rel 5629 df-cnv 5630 df-co 5631 df-dm 5632 df-rn 5633 df-res 5634 df-ima 5635 df-pred 6257 df-ord 6318 df-on 6319 df-lim 6320 df-suc 6321 df-iota 6446 df-fun 6492 df-fn 6493 df-f 6494 df-f1 6495 df-fo 6496 df-f1o 6497 df-fv 6498 df-isom 6499 df-riota 7315 df-ov 7361 df-oprab 7362 df-mpo 7363 df-of 7622 df-om 7809 df-1st 7933 df-2nd 7934 df-supp 8102 df-tpos 8167 df-frecs 8222 df-wrecs 8253 df-recs 8302 df-rdg 8340 df-1o 8396 df-2o 8397 df-er 8634 df-map 8766 df-pm 8767 df-ixp 8837 df-en 8885 df-dom 8886 df-sdom 8887 df-fin 8888 df-fsupp 9266 df-fi 9315 df-sup 9346 df-inf 9347 df-oi 9416 df-dju 9814 df-card 9852 df-acn 9855 df-ac 10027 df-pnf 11170 df-mnf 11171 df-xr 11172 df-ltxr 11173 df-le 11174 df-sub 11368 df-neg 11369 df-div 11797 df-nn 12164 df-2 12233 df-3 12234 df-4 12235 df-5 12236 df-6 12237 df-7 12238 df-8 12239 df-9 12240 df-n0 12427 df-z 12514 df-dec 12634 df-uz 12778 df-q 12888 df-rp 12932 df-xneg 13052 df-xadd 13053 df-xmul 13054 df-ioo 13291 df-ioc 13292 df-ico 13293 df-icc 13294 df-fz 13451 df-fzo 13598 df-fl 13740 df-mod 13818 df-seq 13953 df-exp 14013 df-fac 14225 df-bc 14254 df-hash 14282 df-shft 15018 df-cj 15050 df-re 15051 df-im 15052 df-sqrt 15186 df-abs 15187 df-limsup 15422 df-clim 15439 df-rlim 15440 df-sum 15638 df-ef 16021 df-sin 16023 df-cos 16024 df-pi 16026 df-dvds 16211 df-gcd 16453 df-numer 16694 df-denom 16695 df-gz 16890 df-struct 17106 df-sets 17123 df-slot 17141 df-ndx 17153 df-base 17169 df-ress 17190 df-plusg 17222 df-mulr 17223 df-starv 17224 df-sca 17225 df-vsca 17226 df-ip 17227 df-tset 17228 df-ple 17229 df-ds 17231 df-unif 17232 df-hom 17233 df-cco 17234 df-rest 17374 df-topn 17375 df-0g 17393 df-gsum 17394 df-topgen 17395 df-pt 17396 df-prds 17399 df-ordt 17454 df-xrs 17455 df-qtop 17460 df-imas 17461 df-xps 17463 df-mre 17537 df-mrc 17538 df-acs 17540 df-proset 18249 df-poset 18268 df-plt 18283 df-toset 18370 df-ps 18521 df-tsr 18522 df-plusf 18596 df-mgm 18597 df-sgrp 18676 df-mnd 18692 df-mhm 18740 df-submnd 18741 df-grp 18901 df-minusg 18902 df-sbg 18903 df-mulg 19033 df-subg 19088 df-ghm 19177 df-cntz 19281 df-od 19492 df-cmn 19746 df-abl 19747 df-omnd 20085 df-ogrp 20086 df-mgp 20111 df-rng 20123 df-ur 20152 df-ring 20205 df-cring 20206 df-oppr 20306 df-dvdsr 20326 df-unit 20327 df-invr 20357 df-dvr 20370 df-rhm 20441 df-nzr 20479 df-subrng 20512 df-subrg 20536 df-drng 20697 df-field 20698 df-abv 20775 df-orng 20825 df-ofld 20826 df-lmod 20846 df-scaf 20847 df-sra 21158 df-rgmod 21159 df-psmet 21334 df-xmet 21335 df-met 21336 df-bl 21337 df-mopn 21338 df-fbas 21339 df-fg 21340 df-metu 21341 df-cnfld 21343 df-zring 21435 df-zrh 21491 df-zlm 21492 df-chr 21493 df-refld 21593 df-top 22868 df-topon 22885 df-topsp 22907 df-bases 22920 df-cld 22993 df-ntr 22994 df-cls 22995 df-nei 23072 df-lp 23110 df-perf 23111 df-cn 23201 df-cnp 23202 df-t1 23288 df-haus 23289 df-reg 23290 df-cmp 23361 df-tx 23536 df-hmeo 23729 df-fil 23820 df-fm 23912 df-flim 23913 df-flf 23914 df-fcls 23915 df-cnext 24034 df-tmd 24046 df-tgp 24047 df-tsms 24101 df-trg 24134 df-ust 24175 df-utop 24205 df-uss 24230 df-usp 24231 df-ucn 24249 df-cfilu 24260 df-cusp 24271 df-xms 24294 df-ms 24295 df-tms 24296 df-nm 24556 df-ngp 24557 df-nrg 24559 df-nlm 24560 df-ii 24853 df-cncf 24854 df-cfil 25231 df-cmet 25233 df-cms 25311 df-limc 25842 df-dv 25843 df-log 26536 df-qqh 34136 df-rrh 34160 df-rrext 34164 df-esum 34193 df-siga 34274 df-sigagen 34304 df-meas 34361 df-mbfm 34415 df-sitg 34495 df-sitm 34496

This theorem is referenced by: (None)

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