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| Mirrors > Home > MPE Home > Th. List > ehleudisval | Structured version Visualization version GIF version | ||
| Description: The value of the Euclidean distance function in a real Euclidean space of finite dimension. (Contributed by AV, 15-Jan-2023.) |
| Ref | Expression |
|---|---|
| ehleudis.i | ⊢ 𝐼 = (1...𝑁) |
| ehleudis.e | ⊢ 𝐸 = (𝔼hil‘𝑁) |
| ehleudis.x | ⊢ 𝑋 = (ℝ ↑m 𝐼) |
| ehleudis.d | ⊢ 𝐷 = (dist‘𝐸) |
| Ref | Expression |
|---|---|
| ehleudisval | ⊢ ((𝑁 ∈ ℕ0 ∧ 𝐹 ∈ 𝑋 ∧ 𝐺 ∈ 𝑋) → (𝐹𝐷𝐺) = (√‘Σ𝑘 ∈ 𝐼 (((𝐹‘𝑘) − (𝐺‘𝑘))↑2))) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | ehleudis.d | . . . . 5 ⊢ 𝐷 = (dist‘𝐸) | |
| 2 | ehleudis.e | . . . . . . 7 ⊢ 𝐸 = (𝔼hil‘𝑁) | |
| 3 | 2 | ehlval 25645 | . . . . . 6 ⊢ (𝑁 ∈ ℕ0 → 𝐸 = (ℝ^‘(1...𝑁))) |
| 4 | 3 | fveq2d 6883 | . . . . 5 ⊢ (𝑁 ∈ ℕ0 → (dist‘𝐸) = (dist‘(ℝ^‘(1...𝑁)))) |
| 5 | 1, 4 | eqtrid 2807 | . . . 4 ⊢ (𝑁 ∈ ℕ0 → 𝐷 = (dist‘(ℝ^‘(1...𝑁)))) |
| 6 | 5 | oveqd 7431 | . . 3 ⊢ (𝑁 ∈ ℕ0 → (𝐹𝐷𝐺) = (𝐹(dist‘(ℝ^‘(1...𝑁)))𝐺)) |
| 7 | 6 | 3ad2ant1 1151 | . 2 ⊢ ((𝑁 ∈ ℕ0 ∧ 𝐹 ∈ 𝑋 ∧ 𝐺 ∈ 𝑋) → (𝐹𝐷𝐺) = (𝐹(dist‘(ℝ^‘(1...𝑁)))𝐺)) |
| 8 | ehleudis.i | . . . 4 ⊢ 𝐼 = (1...𝑁) | |
| 9 | fzfi 14039 | . . . 4 ⊢ (1...𝑁) ∈ Fin | |
| 10 | 8, 9 | eqeltri 2856 | . . 3 ⊢ 𝐼 ∈ Fin |
| 11 | ehleudis.x | . . . . . 6 ⊢ 𝑋 = (ℝ ↑m 𝐼) | |
| 12 | 11 | eleq2i 2852 | . . . . 5 ⊢ (𝐹 ∈ 𝑋 ↔ 𝐹 ∈ (ℝ ↑m 𝐼)) |
| 13 | 12 | biimpi 219 | . . . 4 ⊢ (𝐹 ∈ 𝑋 → 𝐹 ∈ (ℝ ↑m 𝐼)) |
| 14 | 13 | 3ad2ant2 1152 | . . 3 ⊢ ((𝑁 ∈ ℕ0 ∧ 𝐹 ∈ 𝑋 ∧ 𝐺 ∈ 𝑋) → 𝐹 ∈ (ℝ ↑m 𝐼)) |
| 15 | 11 | eleq2i 2852 | . . . . 5 ⊢ (𝐺 ∈ 𝑋 ↔ 𝐺 ∈ (ℝ ↑m 𝐼)) |
| 16 | 15 | biimpi 219 | . . . 4 ⊢ (𝐺 ∈ 𝑋 → 𝐺 ∈ (ℝ ↑m 𝐼)) |
| 17 | 16 | 3ad2ant3 1153 | . . 3 ⊢ ((𝑁 ∈ ℕ0 ∧ 𝐹 ∈ 𝑋 ∧ 𝐺 ∈ 𝑋) → 𝐺 ∈ (ℝ ↑m 𝐼)) |
| 18 | eqid 2760 | . . . 4 ⊢ (ℝ ↑m 𝐼) = (ℝ ↑m 𝐼) | |
| 19 | 8 | eqcomi 2769 | . . . . . 6 ⊢ (1...𝑁) = 𝐼 |
| 20 | 19 | fveq2i 6882 | . . . . 5 ⊢ (ℝ^‘(1...𝑁)) = (ℝ^‘𝐼) |
| 21 | 20 | fveq2i 6882 | . . . 4 ⊢ (dist‘(ℝ^‘(1...𝑁))) = (dist‘(ℝ^‘𝐼)) |
| 22 | 18, 21 | rrxdsfival 25644 | . . 3 ⊢ ((𝐼 ∈ Fin ∧ 𝐹 ∈ (ℝ ↑m 𝐼) ∧ 𝐺 ∈ (ℝ ↑m 𝐼)) → (𝐹(dist‘(ℝ^‘(1...𝑁)))𝐺) = (√‘Σ𝑘 ∈ 𝐼 (((𝐹‘𝑘) − (𝐺‘𝑘))↑2))) |
| 23 | 10, 14, 17, 22 | mp3an2i 1495 | . 2 ⊢ ((𝑁 ∈ ℕ0 ∧ 𝐹 ∈ 𝑋 ∧ 𝐺 ∈ 𝑋) → (𝐹(dist‘(ℝ^‘(1...𝑁)))𝐺) = (√‘Σ𝑘 ∈ 𝐼 (((𝐹‘𝑘) − (𝐺‘𝑘))↑2))) |
| 24 | 7, 23 | eqtrd 2795 | 1 ⊢ ((𝑁 ∈ ℕ0 ∧ 𝐹 ∈ 𝑋 ∧ 𝐺 ∈ 𝑋) → (𝐹𝐷𝐺) = (√‘Σ𝑘 ∈ 𝐼 (((𝐹‘𝑘) − (𝐺‘𝑘))↑2))) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∧ w3a 1103 = wceq 1570 ∈ wcel 2145 ‘cfv 6533 (class class class)co 7414 ↑m cmap 8829 Fincfn 8955 ℝcr 11126 1c1 11128 − cmin 11468 2c2 12322 ℕ0cn0 12531 ...cfz 13564 ↑cexp 14128 √csqrt 15323 Σcsu 15776 distcds 17354 ℝ^crrx 25614 𝔼hilcehl 25615 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1943 ax-6 2000 ax-7 2041 ax-8 2147 ax-9 2155 ax-10 2178 ax-11 2194 ax-12 2213 ax-ext 2732 ax-rep 5232 ax-sep 5251 ax-nul 5263 ax-pow 5330 ax-pr 5398 ax-un 7737 ax-inf2 9623 ax-cnex 11183 ax-resscn 11184 ax-1cn 11185 ax-icn 11186 ax-addcl 11187 ax-addrcl 11188 ax-mulcl 11189 ax-mulrcl 11190 ax-mulcom 11191 ax-addass 11192 ax-mulass 11193 ax-distr 11194 ax-i2m1 11195 ax-1ne0 11196 ax-1rid 11197 ax-rnegex 11198 ax-rrecex 11199 ax-cnre 11200 ax-pre-lttri 11201 ax-pre-lttrn 11202 ax-pre-ltadd 11203 ax-pre-mulgt0 11204 ax-pre-sup 11205 ax-addf 11206 ax-mulf 11207 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2100 df-mo 2564 df-eu 2594 df-clab 2739 df-cleq 2752 df-clel 2835 df-nfc 2909 df-ne 2956 df-nel 3062 df-ral 3077 df-rex 3087 df-rmo 3365 df-reu 3366 df-rab 3413 df-v 3452 df-sbc 3740 df-csb 3848 df-dif 3902 df-un 3904 df-in 3906 df-ss 3916 df-pss 3919 df-nul 4280 df-if 4483 df-pw 4559 df-sn 4585 df-pr 4587 df-tp 4589 df-op 4591 df-uni 4868 df-int 4908 df-iun 4953 df-br 5104 df-opab 5168 df-mpt 5187 df-tr 5213 df-id 5550 df-eprel 5555 df-po 5563 df-so 5564 df-fr 5608 df-se 5609 df-we 5610 df-xp 5661 df-rel 5662 df-cnv 5663 df-co 5664 df-dm 5665 df-rn 5666 df-res 5667 df-ima 5668 df-pred 6299 df-ord 6360 df-on 6361 df-lim 6362 df-suc 6363 df-iota 6489 df-fun 6535 df-fn 6536 df-f 6537 df-f1 6538 df-fo 6539 df-f1o 6540 df-fv 6541 df-isom 6542 df-riota 7371 df-ov 7417 df-oprab 7418 df-mpo 7419 df-of 7679 df-om 7864 df-1st 7987 df-2nd 7988 df-supp 8160 df-tpos 8225 df-frecs 8281 df-wrecs 8312 df-recs 8361 df-rdg 8400 df-1o 8458 df-er 8699 df-map 8831 df-ixp 8908 df-en 8956 df-dom 8957 df-sdom 8958 df-fin 8959 df-fsupp 9335 df-sup 9415 df-oi 9485 df-card 9947 df-pnf 11272 df-mnf 11273 df-xr 11274 df-ltxr 11275 df-le 11276 df-sub 11470 df-neg 11471 df-div 11899 df-nn 12261 df-2 12330 df-3 12331 df-4 12332 df-5 12333 df-6 12334 df-7 12335 df-8 12336 df-9 12337 df-n0 12532 df-z 12619 df-dec 12740 df-uz 12891 df-rp 13046 df-fz 13565 df-fzo 13713 df-seq 14069 df-exp 14129 df-hash 14398 df-cj 15189 df-re 15190 df-im 15191 df-sqrt 15325 df-abs 15326 df-clim 15578 df-sum 15777 df-struct 17242 df-sets 17259 df-slot 17277 df-ndx 17289 df-base 17305 df-ress 17326 df-plusg 17358 df-mulr 17359 df-starv 17360 df-sca 17361 df-vsca 17362 df-ip 17363 df-tset 17364 df-ple 17365 df-ds 17367 df-unif 17368 df-hom 17369 df-cco 17370 df-0g 17529 df-gsum 17530 df-prds 17535 df-pws 17537 df-mgm 18733 df-sgrp 18824 df-mnd 18840 df-mhm 18894 df-grp 19063 df-minusg 19064 df-sbg 19065 df-subg 19249 df-ghm 19344 df-cntz 19447 df-cmn 19912 df-abl 19913 df-mgp 20277 df-rng 20291 df-ur 20324 df-ring 20377 df-cring 20378 df-oppr 20481 df-dvdsr 20501 df-unit 20502 df-invr 20532 df-dvr 20545 df-rhm 20616 df-subrng 20711 df-subrg 20735 df-drng 20895 df-field 20896 df-staf 21008 df-srng 21009 df-lmod 21049 df-lss 21119 df-sra 21360 df-rgmod 21361 df-cnfld 21589 df-refld 21821 df-dsmm 21948 df-frlm 21963 df-nm 24811 df-tng 24813 df-tcph 25400 df-rrx 25616 df-ehl 25617 |
| This theorem is used by: (None) |
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