Mathbox for Alexander van der Vekens |
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Mirrors > Home > MPE Home > Th. List > Mathboxes > rrxlines | Structured version Visualization version GIF version |
Description: Definition of lines passing through two different points in a generalized real Euclidean space of finite dimension. (Contributed by AV, 14-Jan-2023.) |
Ref | Expression |
---|---|
rrxlines.e | ⊢ 𝐸 = (ℝ^‘𝐼) |
rrxlines.p | ⊢ 𝑃 = (ℝ ↑m 𝐼) |
rrxlines.l | ⊢ 𝐿 = (LineM‘𝐸) |
rrxlines.m | ⊢ · = ( ·𝑠 ‘𝐸) |
rrxlines.a | ⊢ + = (+g‘𝐸) |
Ref | Expression |
---|---|
rrxlines | ⊢ (𝐼 ∈ Fin → 𝐿 = (𝑥 ∈ 𝑃, 𝑦 ∈ (𝑃 ∖ {𝑥}) ↦ {𝑝 ∈ 𝑃 ∣ ∃𝑡 ∈ ℝ 𝑝 = (((1 − 𝑡) · 𝑥) + (𝑡 · 𝑦))})) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | rrxlines.e | . . . 4 ⊢ 𝐸 = (ℝ^‘𝐼) | |
2 | 1 | fvexi 6770 | . . 3 ⊢ 𝐸 ∈ V |
3 | eqid 2738 | . . . 4 ⊢ (Base‘𝐸) = (Base‘𝐸) | |
4 | rrxlines.l | . . . 4 ⊢ 𝐿 = (LineM‘𝐸) | |
5 | eqid 2738 | . . . 4 ⊢ (Scalar‘𝐸) = (Scalar‘𝐸) | |
6 | eqid 2738 | . . . 4 ⊢ (Base‘(Scalar‘𝐸)) = (Base‘(Scalar‘𝐸)) | |
7 | rrxlines.m | . . . 4 ⊢ · = ( ·𝑠 ‘𝐸) | |
8 | rrxlines.a | . . . 4 ⊢ + = (+g‘𝐸) | |
9 | eqid 2738 | . . . 4 ⊢ (-g‘(Scalar‘𝐸)) = (-g‘(Scalar‘𝐸)) | |
10 | eqid 2738 | . . . 4 ⊢ (1r‘(Scalar‘𝐸)) = (1r‘(Scalar‘𝐸)) | |
11 | 3, 4, 5, 6, 7, 8, 9, 10 | lines 45965 | . . 3 ⊢ (𝐸 ∈ V → 𝐿 = (𝑥 ∈ (Base‘𝐸), 𝑦 ∈ ((Base‘𝐸) ∖ {𝑥}) ↦ {𝑝 ∈ (Base‘𝐸) ∣ ∃𝑡 ∈ (Base‘(Scalar‘𝐸))𝑝 = ((((1r‘(Scalar‘𝐸))(-g‘(Scalar‘𝐸))𝑡) · 𝑥) + (𝑡 · 𝑦))})) |
12 | 2, 11 | mp1i 13 | . 2 ⊢ (𝐼 ∈ Fin → 𝐿 = (𝑥 ∈ (Base‘𝐸), 𝑦 ∈ ((Base‘𝐸) ∖ {𝑥}) ↦ {𝑝 ∈ (Base‘𝐸) ∣ ∃𝑡 ∈ (Base‘(Scalar‘𝐸))𝑝 = ((((1r‘(Scalar‘𝐸))(-g‘(Scalar‘𝐸))𝑡) · 𝑥) + (𝑡 · 𝑦))})) |
13 | id 22 | . . . . 5 ⊢ (𝐼 ∈ Fin → 𝐼 ∈ Fin) | |
14 | 13, 1, 3 | rrxbasefi 24479 | . . . 4 ⊢ (𝐼 ∈ Fin → (Base‘𝐸) = (ℝ ↑m 𝐼)) |
15 | rrxlines.p | . . . 4 ⊢ 𝑃 = (ℝ ↑m 𝐼) | |
16 | 14, 15 | eqtr4di 2797 | . . 3 ⊢ (𝐼 ∈ Fin → (Base‘𝐸) = 𝑃) |
17 | 16 | difeq1d 4052 | . . 3 ⊢ (𝐼 ∈ Fin → ((Base‘𝐸) ∖ {𝑥}) = (𝑃 ∖ {𝑥})) |
18 | 1 | rrxsca 24465 | . . . . . . 7 ⊢ (𝐼 ∈ Fin → (Scalar‘𝐸) = ℝfld) |
19 | 18 | fveq2d 6760 | . . . . . 6 ⊢ (𝐼 ∈ Fin → (Base‘(Scalar‘𝐸)) = (Base‘ℝfld)) |
20 | rebase 20723 | . . . . . 6 ⊢ ℝ = (Base‘ℝfld) | |
21 | 19, 20 | eqtr4di 2797 | . . . . 5 ⊢ (𝐼 ∈ Fin → (Base‘(Scalar‘𝐸)) = ℝ) |
22 | 18 | fveq2d 6760 | . . . . . . . . . . . 12 ⊢ (𝐼 ∈ Fin → (1r‘(Scalar‘𝐸)) = (1r‘ℝfld)) |
23 | re1r 20730 | . . . . . . . . . . . 12 ⊢ 1 = (1r‘ℝfld) | |
24 | 22, 23 | eqtr4di 2797 | . . . . . . . . . . 11 ⊢ (𝐼 ∈ Fin → (1r‘(Scalar‘𝐸)) = 1) |
25 | 24 | oveq1d 7270 | . . . . . . . . . 10 ⊢ (𝐼 ∈ Fin → ((1r‘(Scalar‘𝐸))(-g‘(Scalar‘𝐸))𝑡) = (1(-g‘(Scalar‘𝐸))𝑡)) |
26 | 25 | adantr 480 | . . . . . . . . 9 ⊢ ((𝐼 ∈ Fin ∧ 𝑡 ∈ (Base‘(Scalar‘𝐸))) → ((1r‘(Scalar‘𝐸))(-g‘(Scalar‘𝐸))𝑡) = (1(-g‘(Scalar‘𝐸))𝑡)) |
27 | 18 | fveq2d 6760 | . . . . . . . . . . 11 ⊢ (𝐼 ∈ Fin → (-g‘(Scalar‘𝐸)) = (-g‘ℝfld)) |
28 | 27 | oveqd 7272 | . . . . . . . . . 10 ⊢ (𝐼 ∈ Fin → (1(-g‘(Scalar‘𝐸))𝑡) = (1(-g‘ℝfld)𝑡)) |
29 | 28 | adantr 480 | . . . . . . . . 9 ⊢ ((𝐼 ∈ Fin ∧ 𝑡 ∈ (Base‘(Scalar‘𝐸))) → (1(-g‘(Scalar‘𝐸))𝑡) = (1(-g‘ℝfld)𝑡)) |
30 | 21 | eleq2d 2824 | . . . . . . . . . . 11 ⊢ (𝐼 ∈ Fin → (𝑡 ∈ (Base‘(Scalar‘𝐸)) ↔ 𝑡 ∈ ℝ)) |
31 | 1re 10906 | . . . . . . . . . . . 12 ⊢ 1 ∈ ℝ | |
32 | eqid 2738 | . . . . . . . . . . . . . 14 ⊢ (-g‘ℝfld) = (-g‘ℝfld) | |
33 | 32 | resubgval 20726 | . . . . . . . . . . . . 13 ⊢ ((1 ∈ ℝ ∧ 𝑡 ∈ ℝ) → (1 − 𝑡) = (1(-g‘ℝfld)𝑡)) |
34 | 33 | eqcomd 2744 | . . . . . . . . . . . 12 ⊢ ((1 ∈ ℝ ∧ 𝑡 ∈ ℝ) → (1(-g‘ℝfld)𝑡) = (1 − 𝑡)) |
35 | 31, 34 | mpan 686 | . . . . . . . . . . 11 ⊢ (𝑡 ∈ ℝ → (1(-g‘ℝfld)𝑡) = (1 − 𝑡)) |
36 | 30, 35 | syl6bi 252 | . . . . . . . . . 10 ⊢ (𝐼 ∈ Fin → (𝑡 ∈ (Base‘(Scalar‘𝐸)) → (1(-g‘ℝfld)𝑡) = (1 − 𝑡))) |
37 | 36 | imp 406 | . . . . . . . . 9 ⊢ ((𝐼 ∈ Fin ∧ 𝑡 ∈ (Base‘(Scalar‘𝐸))) → (1(-g‘ℝfld)𝑡) = (1 − 𝑡)) |
38 | 26, 29, 37 | 3eqtrd 2782 | . . . . . . . 8 ⊢ ((𝐼 ∈ Fin ∧ 𝑡 ∈ (Base‘(Scalar‘𝐸))) → ((1r‘(Scalar‘𝐸))(-g‘(Scalar‘𝐸))𝑡) = (1 − 𝑡)) |
39 | 38 | oveq1d 7270 | . . . . . . 7 ⊢ ((𝐼 ∈ Fin ∧ 𝑡 ∈ (Base‘(Scalar‘𝐸))) → (((1r‘(Scalar‘𝐸))(-g‘(Scalar‘𝐸))𝑡) · 𝑥) = ((1 − 𝑡) · 𝑥)) |
40 | 39 | oveq1d 7270 | . . . . . 6 ⊢ ((𝐼 ∈ Fin ∧ 𝑡 ∈ (Base‘(Scalar‘𝐸))) → ((((1r‘(Scalar‘𝐸))(-g‘(Scalar‘𝐸))𝑡) · 𝑥) + (𝑡 · 𝑦)) = (((1 − 𝑡) · 𝑥) + (𝑡 · 𝑦))) |
41 | 40 | eqeq2d 2749 | . . . . 5 ⊢ ((𝐼 ∈ Fin ∧ 𝑡 ∈ (Base‘(Scalar‘𝐸))) → (𝑝 = ((((1r‘(Scalar‘𝐸))(-g‘(Scalar‘𝐸))𝑡) · 𝑥) + (𝑡 · 𝑦)) ↔ 𝑝 = (((1 − 𝑡) · 𝑥) + (𝑡 · 𝑦)))) |
42 | 21, 41 | rexeqbidva 3346 | . . . 4 ⊢ (𝐼 ∈ Fin → (∃𝑡 ∈ (Base‘(Scalar‘𝐸))𝑝 = ((((1r‘(Scalar‘𝐸))(-g‘(Scalar‘𝐸))𝑡) · 𝑥) + (𝑡 · 𝑦)) ↔ ∃𝑡 ∈ ℝ 𝑝 = (((1 − 𝑡) · 𝑥) + (𝑡 · 𝑦)))) |
43 | 16, 42 | rabeqbidv 3410 | . . 3 ⊢ (𝐼 ∈ Fin → {𝑝 ∈ (Base‘𝐸) ∣ ∃𝑡 ∈ (Base‘(Scalar‘𝐸))𝑝 = ((((1r‘(Scalar‘𝐸))(-g‘(Scalar‘𝐸))𝑡) · 𝑥) + (𝑡 · 𝑦))} = {𝑝 ∈ 𝑃 ∣ ∃𝑡 ∈ ℝ 𝑝 = (((1 − 𝑡) · 𝑥) + (𝑡 · 𝑦))}) |
44 | 16, 17, 43 | mpoeq123dv 7328 | . 2 ⊢ (𝐼 ∈ Fin → (𝑥 ∈ (Base‘𝐸), 𝑦 ∈ ((Base‘𝐸) ∖ {𝑥}) ↦ {𝑝 ∈ (Base‘𝐸) ∣ ∃𝑡 ∈ (Base‘(Scalar‘𝐸))𝑝 = ((((1r‘(Scalar‘𝐸))(-g‘(Scalar‘𝐸))𝑡) · 𝑥) + (𝑡 · 𝑦))}) = (𝑥 ∈ 𝑃, 𝑦 ∈ (𝑃 ∖ {𝑥}) ↦ {𝑝 ∈ 𝑃 ∣ ∃𝑡 ∈ ℝ 𝑝 = (((1 − 𝑡) · 𝑥) + (𝑡 · 𝑦))})) |
45 | 12, 44 | eqtrd 2778 | 1 ⊢ (𝐼 ∈ Fin → 𝐿 = (𝑥 ∈ 𝑃, 𝑦 ∈ (𝑃 ∖ {𝑥}) ↦ {𝑝 ∈ 𝑃 ∣ ∃𝑡 ∈ ℝ 𝑝 = (((1 − 𝑡) · 𝑥) + (𝑡 · 𝑦))})) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 395 = wceq 1539 ∈ wcel 2108 ∃wrex 3064 {crab 3067 Vcvv 3422 ∖ cdif 3880 {csn 4558 ‘cfv 6418 (class class class)co 7255 ∈ cmpo 7257 ↑m cmap 8573 Fincfn 8691 ℝcr 10801 1c1 10803 − cmin 11135 Basecbs 16840 +gcplusg 16888 Scalarcsca 16891 ·𝑠 cvsca 16892 -gcsg 18494 1rcur 19652 ℝfldcrefld 20721 ℝ^crrx 24452 LineMcline 45961 |
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-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-iun 4923 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-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-riota 7212 df-ov 7258 df-oprab 7259 df-mpo 7260 df-om 7688 df-1st 7804 df-2nd 7805 df-supp 7949 df-tpos 8013 df-frecs 8068 df-wrecs 8099 df-recs 8173 df-rdg 8212 df-1o 8267 df-er 8456 df-map 8575 df-ixp 8644 df-en 8692 df-dom 8693 df-sdom 8694 df-fin 8695 df-fsupp 9059 df-sup 9131 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-rp 12660 df-fz 13169 df-seq 13650 df-exp 13711 df-cj 14738 df-re 14739 df-im 14740 df-sqrt 14874 df-abs 14875 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-0g 17069 df-prds 17075 df-pws 17077 df-mgm 18241 df-sgrp 18290 df-mnd 18301 df-grp 18495 df-minusg 18496 df-sbg 18497 df-subg 18667 df-cmn 19303 df-mgp 19636 df-ur 19653 df-ring 19700 df-cring 19701 df-oppr 19777 df-dvdsr 19798 df-unit 19799 df-invr 19829 df-dvr 19840 df-drng 19908 df-field 19909 df-subrg 19937 df-sra 20349 df-rgmod 20350 df-cnfld 20511 df-refld 20722 df-dsmm 20849 df-frlm 20864 df-tng 23646 df-tcph 24238 df-rrx 24454 df-line 45963 |
This theorem is referenced by: rrxline 45968 rrxlinesc 45969 |
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