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Mirrors > Home > MPE Home > Th. List > rrxbasefi | Structured version Visualization version GIF version |
Description: The base of the generalized real Euclidean space, when the dimension of the space is finite. This justifies the use of (ℝ ↑m 𝑋) for the development of the Lebesgue measure theory for n-dimensional real numbers. (Contributed by Glauco Siliprandi, 24-Dec-2020.) |
Ref | Expression |
---|---|
rrxbasefi.x | ⊢ (𝜑 → 𝑋 ∈ Fin) |
rrxbasefi.h | ⊢ 𝐻 = (ℝ^‘𝑋) |
rrxbasefi.b | ⊢ 𝐵 = (Base‘𝐻) |
Ref | Expression |
---|---|
rrxbasefi | ⊢ (𝜑 → 𝐵 = (ℝ ↑m 𝑋)) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | rrxbasefi.x | . . . 4 ⊢ (𝜑 → 𝑋 ∈ Fin) | |
2 | rrxbasefi.h | . . . . 5 ⊢ 𝐻 = (ℝ^‘𝑋) | |
3 | rrxbasefi.b | . . . . 5 ⊢ 𝐵 = (Base‘𝐻) | |
4 | 2, 3 | rrxbase 24314 | . . . 4 ⊢ (𝑋 ∈ Fin → 𝐵 = {𝑓 ∈ (ℝ ↑m 𝑋) ∣ 𝑓 finSupp 0}) |
5 | 1, 4 | syl 17 | . . 3 ⊢ (𝜑 → 𝐵 = {𝑓 ∈ (ℝ ↑m 𝑋) ∣ 𝑓 finSupp 0}) |
6 | ssrab2 4009 | . . 3 ⊢ {𝑓 ∈ (ℝ ↑m 𝑋) ∣ 𝑓 finSupp 0} ⊆ (ℝ ↑m 𝑋) | |
7 | 5, 6 | eqsstrdi 3971 | . 2 ⊢ (𝜑 → 𝐵 ⊆ (ℝ ↑m 𝑋)) |
8 | simpr 488 | . . . 4 ⊢ ((𝜑 ∧ 𝑓 ∈ (ℝ ↑m 𝑋)) → 𝑓 ∈ (ℝ ↑m 𝑋)) | |
9 | elmapi 8553 | . . . . . 6 ⊢ (𝑓 ∈ (ℝ ↑m 𝑋) → 𝑓:𝑋⟶ℝ) | |
10 | 9 | adantl 485 | . . . . 5 ⊢ ((𝜑 ∧ 𝑓 ∈ (ℝ ↑m 𝑋)) → 𝑓:𝑋⟶ℝ) |
11 | 1 | adantr 484 | . . . . 5 ⊢ ((𝜑 ∧ 𝑓 ∈ (ℝ ↑m 𝑋)) → 𝑋 ∈ Fin) |
12 | c0ex 10854 | . . . . . 6 ⊢ 0 ∈ V | |
13 | 12 | a1i 11 | . . . . 5 ⊢ ((𝜑 ∧ 𝑓 ∈ (ℝ ↑m 𝑋)) → 0 ∈ V) |
14 | 10, 11, 13 | fdmfifsupp 9022 | . . . 4 ⊢ ((𝜑 ∧ 𝑓 ∈ (ℝ ↑m 𝑋)) → 𝑓 finSupp 0) |
15 | rabid 3304 | . . . 4 ⊢ (𝑓 ∈ {𝑓 ∈ (ℝ ↑m 𝑋) ∣ 𝑓 finSupp 0} ↔ (𝑓 ∈ (ℝ ↑m 𝑋) ∧ 𝑓 finSupp 0)) | |
16 | 8, 14, 15 | sylanbrc 586 | . . 3 ⊢ ((𝜑 ∧ 𝑓 ∈ (ℝ ↑m 𝑋)) → 𝑓 ∈ {𝑓 ∈ (ℝ ↑m 𝑋) ∣ 𝑓 finSupp 0}) |
17 | 5 | eqcomd 2745 | . . . 4 ⊢ (𝜑 → {𝑓 ∈ (ℝ ↑m 𝑋) ∣ 𝑓 finSupp 0} = 𝐵) |
18 | 17 | adantr 484 | . . 3 ⊢ ((𝜑 ∧ 𝑓 ∈ (ℝ ↑m 𝑋)) → {𝑓 ∈ (ℝ ↑m 𝑋) ∣ 𝑓 finSupp 0} = 𝐵) |
19 | 16, 18 | eleqtrd 2842 | . 2 ⊢ ((𝜑 ∧ 𝑓 ∈ (ℝ ↑m 𝑋)) → 𝑓 ∈ 𝐵) |
20 | 7, 19 | eqelssd 3938 | 1 ⊢ (𝜑 → 𝐵 = (ℝ ↑m 𝑋)) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 399 = wceq 1543 ∈ wcel 2112 {crab 3067 Vcvv 3422 class class class wbr 5069 ⟶wf 6396 ‘cfv 6400 (class class class)co 7234 ↑m cmap 8531 Fincfn 8649 finSupp cfsupp 9012 ℝcr 10755 0cc0 10756 Basecbs 16790 ℝ^crrx 24309 |
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 2114 ax-9 2122 ax-10 2143 ax-11 2160 ax-12 2177 ax-ext 2710 ax-rep 5195 ax-sep 5208 ax-nul 5215 ax-pow 5274 ax-pr 5338 ax-un 7544 ax-cnex 10812 ax-resscn 10813 ax-1cn 10814 ax-icn 10815 ax-addcl 10816 ax-addrcl 10817 ax-mulcl 10818 ax-mulrcl 10819 ax-mulcom 10820 ax-addass 10821 ax-mulass 10822 ax-distr 10823 ax-i2m1 10824 ax-1ne0 10825 ax-1rid 10826 ax-rnegex 10827 ax-rrecex 10828 ax-cnre 10829 ax-pre-lttri 10830 ax-pre-lttrn 10831 ax-pre-ltadd 10832 ax-pre-mulgt0 10833 ax-pre-sup 10834 ax-addf 10835 ax-mulf 10836 |
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 2073 df-mo 2541 df-eu 2570 df-clab 2717 df-cleq 2731 df-clel 2818 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 3711 df-csb 3828 df-dif 3885 df-un 3887 df-in 3889 df-ss 3899 df-pss 3901 df-nul 4254 df-if 4456 df-pw 4531 df-sn 4558 df-pr 4560 df-tp 4562 df-op 4564 df-uni 4836 df-iun 4922 df-br 5070 df-opab 5132 df-mpt 5152 df-tr 5178 df-id 5471 df-eprel 5477 df-po 5485 df-so 5486 df-fr 5526 df-we 5528 df-xp 5574 df-rel 5575 df-cnv 5576 df-co 5577 df-dm 5578 df-rn 5579 df-res 5580 df-ima 5581 df-pred 6178 df-ord 6236 df-on 6237 df-lim 6238 df-suc 6239 df-iota 6358 df-fun 6402 df-fn 6403 df-f 6404 df-f1 6405 df-fo 6406 df-f1o 6407 df-fv 6408 df-riota 7191 df-ov 7237 df-oprab 7238 df-mpo 7239 df-om 7666 df-1st 7782 df-2nd 7783 df-supp 7927 df-tpos 7991 df-wrecs 8070 df-recs 8131 df-rdg 8169 df-1o 8225 df-er 8414 df-map 8533 df-ixp 8602 df-en 8650 df-dom 8651 df-sdom 8652 df-fin 8653 df-fsupp 9013 df-sup 9085 df-pnf 10896 df-mnf 10897 df-xr 10898 df-ltxr 10899 df-le 10900 df-sub 11091 df-neg 11092 df-div 11517 df-nn 11858 df-2 11920 df-3 11921 df-4 11922 df-5 11923 df-6 11924 df-7 11925 df-8 11926 df-9 11927 df-n0 12118 df-z 12204 df-dec 12321 df-uz 12466 df-rp 12614 df-fz 13123 df-seq 13604 df-exp 13665 df-cj 14692 df-re 14693 df-im 14694 df-sqrt 14828 df-abs 14829 df-struct 16730 df-sets 16747 df-slot 16765 df-ndx 16775 df-base 16791 df-ress 16815 df-plusg 16845 df-mulr 16846 df-starv 16847 df-sca 16848 df-vsca 16849 df-ip 16850 df-tset 16851 df-ple 16852 df-ds 16854 df-unif 16855 df-hom 16856 df-cco 16857 df-0g 16976 df-prds 16982 df-pws 16984 df-mgm 18144 df-sgrp 18193 df-mnd 18204 df-grp 18398 df-minusg 18399 df-subg 18570 df-cmn 19202 df-mgp 19535 df-ur 19547 df-ring 19594 df-cring 19595 df-oppr 19671 df-dvdsr 19689 df-unit 19690 df-invr 19720 df-dvr 19731 df-drng 19799 df-field 19800 df-subrg 19828 df-sra 20239 df-rgmod 20240 df-cnfld 20394 df-refld 20597 df-dsmm 20724 df-frlm 20739 df-tng 23511 df-tcph 24095 df-rrx 24311 |
This theorem is referenced by: rrxdsfi 24337 rrxmetfi 24338 rrxtopnfi 43536 rrxtoponfi 43540 qndenserrnopnlem 43546 qndenserrn 43548 rrnprjdstle 43550 rrxlines 45785 rrxlinesc 45787 rrxlinec 45788 rrxsphere 45800 |
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