Mathbox for Glauco Siliprandi |
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Mirrors > Home > MPE Home > Th. List > Mathboxes > volicoff | Structured version Visualization version GIF version |
Description: ((vol ∘ [,)) ∘ 𝐹) expressed in maps-to notation. (Contributed by Glauco Siliprandi, 3-Mar-2021.) |
Ref | Expression |
---|---|
volicoff.1 | ⊢ (𝜑 → 𝐹:𝐴⟶(ℝ × ℝ*)) |
Ref | Expression |
---|---|
volicoff | ⊢ (𝜑 → ((vol ∘ [,)) ∘ 𝐹):𝐴⟶(0[,]+∞)) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | volf 24450 | . . . 4 ⊢ vol:dom vol⟶(0[,]+∞) | |
2 | 1 | a1i 11 | . . 3 ⊢ (𝜑 → vol:dom vol⟶(0[,]+∞)) |
3 | icof 42460 | . . . . . . 7 ⊢ [,):(ℝ* × ℝ*)⟶𝒫 ℝ* | |
4 | 3 | a1i 11 | . . . . . 6 ⊢ (𝜑 → [,):(ℝ* × ℝ*)⟶𝒫 ℝ*) |
5 | ressxr 10901 | . . . . . . . 8 ⊢ ℝ ⊆ ℝ* | |
6 | xpss1 5584 | . . . . . . . 8 ⊢ (ℝ ⊆ ℝ* → (ℝ × ℝ*) ⊆ (ℝ* × ℝ*)) | |
7 | 5, 6 | ax-mp 5 | . . . . . . 7 ⊢ (ℝ × ℝ*) ⊆ (ℝ* × ℝ*) |
8 | 7 | a1i 11 | . . . . . 6 ⊢ (𝜑 → (ℝ × ℝ*) ⊆ (ℝ* × ℝ*)) |
9 | volicoff.1 | . . . . . 6 ⊢ (𝜑 → 𝐹:𝐴⟶(ℝ × ℝ*)) | |
10 | 4, 8, 9 | fcoss 42451 | . . . . 5 ⊢ (𝜑 → ([,) ∘ 𝐹):𝐴⟶𝒫 ℝ*) |
11 | 10 | ffnd 6564 | . . . 4 ⊢ (𝜑 → ([,) ∘ 𝐹) Fn 𝐴) |
12 | 9 | adantr 484 | . . . . . . 7 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝐴) → 𝐹:𝐴⟶(ℝ × ℝ*)) |
13 | simpr 488 | . . . . . . 7 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝐴) → 𝑥 ∈ 𝐴) | |
14 | 12, 13 | fvovco 42433 | . . . . . 6 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝐴) → (([,) ∘ 𝐹)‘𝑥) = ((1st ‘(𝐹‘𝑥))[,)(2nd ‘(𝐹‘𝑥)))) |
15 | 9 | ffvelrnda 6922 | . . . . . . . 8 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝐴) → (𝐹‘𝑥) ∈ (ℝ × ℝ*)) |
16 | xp1st 7811 | . . . . . . . 8 ⊢ ((𝐹‘𝑥) ∈ (ℝ × ℝ*) → (1st ‘(𝐹‘𝑥)) ∈ ℝ) | |
17 | 15, 16 | syl 17 | . . . . . . 7 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝐴) → (1st ‘(𝐹‘𝑥)) ∈ ℝ) |
18 | xp2nd 7812 | . . . . . . . 8 ⊢ ((𝐹‘𝑥) ∈ (ℝ × ℝ*) → (2nd ‘(𝐹‘𝑥)) ∈ ℝ*) | |
19 | 15, 18 | syl 17 | . . . . . . 7 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝐴) → (2nd ‘(𝐹‘𝑥)) ∈ ℝ*) |
20 | icombl 24485 | . . . . . . 7 ⊢ (((1st ‘(𝐹‘𝑥)) ∈ ℝ ∧ (2nd ‘(𝐹‘𝑥)) ∈ ℝ*) → ((1st ‘(𝐹‘𝑥))[,)(2nd ‘(𝐹‘𝑥))) ∈ dom vol) | |
21 | 17, 19, 20 | syl2anc 587 | . . . . . 6 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝐴) → ((1st ‘(𝐹‘𝑥))[,)(2nd ‘(𝐹‘𝑥))) ∈ dom vol) |
22 | 14, 21 | eqeltrd 2839 | . . . . 5 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝐴) → (([,) ∘ 𝐹)‘𝑥) ∈ dom vol) |
23 | 22 | ralrimiva 3106 | . . . 4 ⊢ (𝜑 → ∀𝑥 ∈ 𝐴 (([,) ∘ 𝐹)‘𝑥) ∈ dom vol) |
24 | fnfvrnss 6955 | . . . 4 ⊢ ((([,) ∘ 𝐹) Fn 𝐴 ∧ ∀𝑥 ∈ 𝐴 (([,) ∘ 𝐹)‘𝑥) ∈ dom vol) → ran ([,) ∘ 𝐹) ⊆ dom vol) | |
25 | 11, 23, 24 | syl2anc 587 | . . 3 ⊢ (𝜑 → ran ([,) ∘ 𝐹) ⊆ dom vol) |
26 | ffrn 6577 | . . . 4 ⊢ (([,) ∘ 𝐹):𝐴⟶𝒫 ℝ* → ([,) ∘ 𝐹):𝐴⟶ran ([,) ∘ 𝐹)) | |
27 | 10, 26 | syl 17 | . . 3 ⊢ (𝜑 → ([,) ∘ 𝐹):𝐴⟶ran ([,) ∘ 𝐹)) |
28 | 2, 25, 27 | fcoss 42451 | . 2 ⊢ (𝜑 → (vol ∘ ([,) ∘ 𝐹)):𝐴⟶(0[,]+∞)) |
29 | coass 6143 | . . . 4 ⊢ ((vol ∘ [,)) ∘ 𝐹) = (vol ∘ ([,) ∘ 𝐹)) | |
30 | 29 | feq1i 6554 | . . 3 ⊢ (((vol ∘ [,)) ∘ 𝐹):𝐴⟶(0[,]+∞) ↔ (vol ∘ ([,) ∘ 𝐹)):𝐴⟶(0[,]+∞)) |
31 | 30 | a1i 11 | . 2 ⊢ (𝜑 → (((vol ∘ [,)) ∘ 𝐹):𝐴⟶(0[,]+∞) ↔ (vol ∘ ([,) ∘ 𝐹)):𝐴⟶(0[,]+∞))) |
32 | 28, 31 | mpbird 260 | 1 ⊢ (𝜑 → ((vol ∘ [,)) ∘ 𝐹):𝐴⟶(0[,]+∞)) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ↔ wb 209 ∧ wa 399 ∈ wcel 2111 ∀wral 3062 ⊆ wss 3880 𝒫 cpw 4527 × cxp 5563 dom cdm 5565 ran crn 5566 ∘ ccom 5569 Fn wfn 6392 ⟶wf 6393 ‘cfv 6397 (class class class)co 7231 1st c1st 7777 2nd c2nd 7778 ℝcr 10752 0cc0 10753 +∞cpnf 10888 ℝ*cxr 10890 [,)cico 12961 [,]cicc 12962 volcvol 24384 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1803 ax-4 1817 ax-5 1918 ax-6 1976 ax-7 2016 ax-8 2113 ax-9 2121 ax-10 2142 ax-11 2159 ax-12 2176 ax-ext 2709 ax-rep 5193 ax-sep 5206 ax-nul 5213 ax-pow 5272 ax-pr 5336 ax-un 7541 ax-inf2 9280 ax-cnex 10809 ax-resscn 10810 ax-1cn 10811 ax-icn 10812 ax-addcl 10813 ax-addrcl 10814 ax-mulcl 10815 ax-mulrcl 10816 ax-mulcom 10817 ax-addass 10818 ax-mulass 10819 ax-distr 10820 ax-i2m1 10821 ax-1ne0 10822 ax-1rid 10823 ax-rnegex 10824 ax-rrecex 10825 ax-cnre 10826 ax-pre-lttri 10827 ax-pre-lttrn 10828 ax-pre-ltadd 10829 ax-pre-mulgt0 10830 ax-pre-sup 10831 |
This theorem depends on definitions: df-bi 210 df-an 400 df-or 848 df-3or 1090 df-3an 1091 df-tru 1546 df-fal 1556 df-ex 1788 df-nf 1792 df-sb 2072 df-mo 2540 df-eu 2569 df-clab 2716 df-cleq 2730 df-clel 2817 df-nfc 2887 df-ne 2942 df-nel 3048 df-ral 3067 df-rex 3068 df-reu 3069 df-rmo 3070 df-rab 3071 df-v 3422 df-sbc 3709 df-csb 3826 df-dif 3883 df-un 3885 df-in 3887 df-ss 3897 df-pss 3899 df-nul 4252 df-if 4454 df-pw 4529 df-sn 4556 df-pr 4558 df-tp 4560 df-op 4562 df-uni 4834 df-int 4874 df-iun 4920 df-br 5068 df-opab 5130 df-mpt 5150 df-tr 5176 df-id 5469 df-eprel 5474 df-po 5482 df-so 5483 df-fr 5523 df-se 5524 df-we 5525 df-xp 5571 df-rel 5572 df-cnv 5573 df-co 5574 df-dm 5575 df-rn 5576 df-res 5577 df-ima 5578 df-pred 6175 df-ord 6233 df-on 6234 df-lim 6235 df-suc 6236 df-iota 6355 df-fun 6399 df-fn 6400 df-f 6401 df-f1 6402 df-fo 6403 df-f1o 6404 df-fv 6405 df-isom 6406 df-riota 7188 df-ov 7234 df-oprab 7235 df-mpo 7236 df-of 7487 df-om 7663 df-1st 7779 df-2nd 7780 df-wrecs 8067 df-recs 8128 df-rdg 8166 df-1o 8222 df-2o 8223 df-er 8411 df-map 8530 df-pm 8531 df-en 8647 df-dom 8648 df-sdom 8649 df-fin 8650 df-sup 9082 df-inf 9083 df-oi 9150 df-dju 9541 df-card 9579 df-pnf 10893 df-mnf 10894 df-xr 10895 df-ltxr 10896 df-le 10897 df-sub 11088 df-neg 11089 df-div 11514 df-nn 11855 df-2 11917 df-3 11918 df-n0 12115 df-z 12201 df-uz 12463 df-q 12569 df-rp 12611 df-xadd 12729 df-ioo 12963 df-ico 12965 df-icc 12966 df-fz 13120 df-fzo 13263 df-fl 13391 df-seq 13599 df-exp 13660 df-hash 13921 df-cj 14686 df-re 14687 df-im 14688 df-sqrt 14822 df-abs 14823 df-clim 15073 df-rlim 15074 df-sum 15274 df-xmet 20380 df-met 20381 df-ovol 24385 df-vol 24386 |
This theorem is referenced by: volicofmpt 43241 |
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