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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 23992 | . . . 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 4007 | . . 3 ⊢ {𝑓 ∈ (ℝ ↑m 𝑋) ∣ 𝑓 finSupp 0} ⊆ (ℝ ↑m 𝑋) | |
7 | 5, 6 | eqsstrdi 3969 | . 2 ⊢ (𝜑 → 𝐵 ⊆ (ℝ ↑m 𝑋)) |
8 | simpr 488 | . . . 4 ⊢ ((𝜑 ∧ 𝑓 ∈ (ℝ ↑m 𝑋)) → 𝑓 ∈ (ℝ ↑m 𝑋)) | |
9 | elmapi 8411 | . . . . . 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 10624 | . . . . . 6 ⊢ 0 ∈ V | |
13 | 12 | a1i 11 | . . . . 5 ⊢ ((𝜑 ∧ 𝑓 ∈ (ℝ ↑m 𝑋)) → 0 ∈ V) |
14 | 10, 11, 13 | fdmfifsupp 8827 | . . . 4 ⊢ ((𝜑 ∧ 𝑓 ∈ (ℝ ↑m 𝑋)) → 𝑓 finSupp 0) |
15 | rabid 3331 | . . . 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 2804 | . . . 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 2892 | . 2 ⊢ ((𝜑 ∧ 𝑓 ∈ (ℝ ↑m 𝑋)) → 𝑓 ∈ 𝐵) |
20 | 7, 19 | eqelssd 3936 | 1 ⊢ (𝜑 → 𝐵 = (ℝ ↑m 𝑋)) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 399 = wceq 1538 ∈ wcel 2111 {crab 3110 Vcvv 3441 class class class wbr 5030 ⟶wf 6320 ‘cfv 6324 (class class class)co 7135 ↑m cmap 8389 Fincfn 8492 finSupp cfsupp 8817 ℝcr 10525 0cc0 10526 Basecbs 16475 ℝ^crrx 23987 |
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 1911 ax-6 1970 ax-7 2015 ax-8 2113 ax-9 2121 ax-10 2142 ax-11 2158 ax-12 2175 ax-ext 2770 ax-rep 5154 ax-sep 5167 ax-nul 5174 ax-pow 5231 ax-pr 5295 ax-un 7441 ax-cnex 10582 ax-resscn 10583 ax-1cn 10584 ax-icn 10585 ax-addcl 10586 ax-addrcl 10587 ax-mulcl 10588 ax-mulrcl 10589 ax-mulcom 10590 ax-addass 10591 ax-mulass 10592 ax-distr 10593 ax-i2m1 10594 ax-1ne0 10595 ax-1rid 10596 ax-rnegex 10597 ax-rrecex 10598 ax-cnre 10599 ax-pre-lttri 10600 ax-pre-lttrn 10601 ax-pre-ltadd 10602 ax-pre-mulgt0 10603 ax-pre-sup 10604 ax-addf 10605 ax-mulf 10606 |
This theorem depends on definitions: df-bi 210 df-an 400 df-or 845 df-3or 1085 df-3an 1086 df-tru 1541 df-ex 1782 df-nf 1786 df-sb 2070 df-mo 2598 df-eu 2629 df-clab 2777 df-cleq 2791 df-clel 2870 df-nfc 2938 df-ne 2988 df-nel 3092 df-ral 3111 df-rex 3112 df-reu 3113 df-rmo 3114 df-rab 3115 df-v 3443 df-sbc 3721 df-csb 3829 df-dif 3884 df-un 3886 df-in 3888 df-ss 3898 df-pss 3900 df-nul 4244 df-if 4426 df-pw 4499 df-sn 4526 df-pr 4528 df-tp 4530 df-op 4532 df-uni 4801 df-int 4839 df-iun 4883 df-br 5031 df-opab 5093 df-mpt 5111 df-tr 5137 df-id 5425 df-eprel 5430 df-po 5438 df-so 5439 df-fr 5478 df-we 5480 df-xp 5525 df-rel 5526 df-cnv 5527 df-co 5528 df-dm 5529 df-rn 5530 df-res 5531 df-ima 5532 df-pred 6116 df-ord 6162 df-on 6163 df-lim 6164 df-suc 6165 df-iota 6283 df-fun 6326 df-fn 6327 df-f 6328 df-f1 6329 df-fo 6330 df-f1o 6331 df-fv 6332 df-riota 7093 df-ov 7138 df-oprab 7139 df-mpo 7140 df-om 7561 df-1st 7671 df-2nd 7672 df-supp 7814 df-tpos 7875 df-wrecs 7930 df-recs 7991 df-rdg 8029 df-1o 8085 df-oadd 8089 df-er 8272 df-map 8391 df-ixp 8445 df-en 8493 df-dom 8494 df-sdom 8495 df-fin 8496 df-fsupp 8818 df-sup 8890 df-pnf 10666 df-mnf 10667 df-xr 10668 df-ltxr 10669 df-le 10670 df-sub 10861 df-neg 10862 df-div 11287 df-nn 11626 df-2 11688 df-3 11689 df-4 11690 df-5 11691 df-6 11692 df-7 11693 df-8 11694 df-9 11695 df-n0 11886 df-z 11970 df-dec 12087 df-uz 12232 df-rp 12378 df-fz 12886 df-seq 13365 df-exp 13426 df-cj 14450 df-re 14451 df-im 14452 df-sqrt 14586 df-abs 14587 df-struct 16477 df-ndx 16478 df-slot 16479 df-base 16481 df-sets 16482 df-ress 16483 df-plusg 16570 df-mulr 16571 df-starv 16572 df-sca 16573 df-vsca 16574 df-ip 16575 df-tset 16576 df-ple 16577 df-ds 16579 df-unif 16580 df-hom 16581 df-cco 16582 df-0g 16707 df-prds 16713 df-pws 16715 df-mgm 17844 df-sgrp 17893 df-mnd 17904 df-grp 18098 df-minusg 18099 df-subg 18268 df-cmn 18900 df-mgp 19233 df-ur 19245 df-ring 19292 df-cring 19293 df-oppr 19369 df-dvdsr 19387 df-unit 19388 df-invr 19418 df-dvr 19429 df-drng 19497 df-field 19498 df-subrg 19526 df-sra 19937 df-rgmod 19938 df-cnfld 20092 df-refld 20294 df-dsmm 20421 df-frlm 20436 df-tng 23191 df-tcph 23774 df-rrx 23989 |
This theorem is referenced by: rrxdsfi 24015 rrxmetfi 24016 rrxtopnfi 42929 rrxtoponfi 42933 qndenserrnopnlem 42939 qndenserrn 42941 rrnprjdstle 42943 rrxlines 45147 rrxlinesc 45149 rrxlinec 45150 rrxsphere 45162 |
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