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Mirrors > Home > MPE Home > Th. List > Mathboxes > lcmineqlem16 | Structured version Visualization version GIF version |
Description: Technical divisibility lemma. (Contributed by metakunt, 12-May-2024.) |
Ref | Expression |
---|---|
lcmineqlem16.1 | ⊢ (𝜑 → 𝑀 ∈ ℕ) |
lcmineqlem16.2 | ⊢ (𝜑 → 𝑁 ∈ ℕ) |
lcmineqlem16.3 | ⊢ (𝜑 → 𝑀 ≤ 𝑁) |
Ref | Expression |
---|---|
lcmineqlem16 | ⊢ (𝜑 → (𝑀 · (𝑁C𝑀)) ∥ (lcm‘(1...𝑁))) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | fz1ssnn 13337 | . . . . . . 7 ⊢ (1...𝑁) ⊆ ℕ | |
2 | fzfi 13742 | . . . . . . 7 ⊢ (1...𝑁) ∈ Fin | |
3 | lcmfnncl 16383 | . . . . . . 7 ⊢ (((1...𝑁) ⊆ ℕ ∧ (1...𝑁) ∈ Fin) → (lcm‘(1...𝑁)) ∈ ℕ) | |
4 | 1, 2, 3 | mp2an 690 | . . . . . 6 ⊢ (lcm‘(1...𝑁)) ∈ ℕ |
5 | 4 | a1i 11 | . . . . 5 ⊢ (𝜑 → (lcm‘(1...𝑁)) ∈ ℕ) |
6 | 5 | nncnd 12039 | . . . 4 ⊢ (𝜑 → (lcm‘(1...𝑁)) ∈ ℂ) |
7 | lcmineqlem16.1 | . . . . . 6 ⊢ (𝜑 → 𝑀 ∈ ℕ) | |
8 | 7 | nncnd 12039 | . . . . 5 ⊢ (𝜑 → 𝑀 ∈ ℂ) |
9 | lcmineqlem16.2 | . . . . . . 7 ⊢ (𝜑 → 𝑁 ∈ ℕ) | |
10 | 7 | nnnn0d 12343 | . . . . . . 7 ⊢ (𝜑 → 𝑀 ∈ ℕ0) |
11 | lcmineqlem16.3 | . . . . . . 7 ⊢ (𝜑 → 𝑀 ≤ 𝑁) | |
12 | 9, 10, 11 | bccl2d 40200 | . . . . . 6 ⊢ (𝜑 → (𝑁C𝑀) ∈ ℕ) |
13 | 12 | nncnd 12039 | . . . . 5 ⊢ (𝜑 → (𝑁C𝑀) ∈ ℂ) |
14 | 8, 13 | mulcld 11045 | . . . 4 ⊢ (𝜑 → (𝑀 · (𝑁C𝑀)) ∈ ℂ) |
15 | 7 | nnne0d 12073 | . . . . 5 ⊢ (𝜑 → 𝑀 ≠ 0) |
16 | 12 | nnne0d 12073 | . . . . 5 ⊢ (𝜑 → (𝑁C𝑀) ≠ 0) |
17 | 8, 13, 15, 16 | mulne0d 11677 | . . . 4 ⊢ (𝜑 → (𝑀 · (𝑁C𝑀)) ≠ 0) |
18 | 6, 14, 17 | divrecd 11804 | . . 3 ⊢ (𝜑 → ((lcm‘(1...𝑁)) / (𝑀 · (𝑁C𝑀))) = ((lcm‘(1...𝑁)) · (1 / (𝑀 · (𝑁C𝑀))))) |
19 | eqid 2736 | . . . . . 6 ⊢ ∫(0[,]1)((𝑥↑(𝑀 − 1)) · ((1 − 𝑥)↑(𝑁 − 𝑀))) d𝑥 = ∫(0[,]1)((𝑥↑(𝑀 − 1)) · ((1 − 𝑥)↑(𝑁 − 𝑀))) d𝑥 | |
20 | 19, 7, 9, 11 | lcmineqlem13 40249 | . . . . 5 ⊢ (𝜑 → ∫(0[,]1)((𝑥↑(𝑀 − 1)) · ((1 − 𝑥)↑(𝑁 − 𝑀))) d𝑥 = (1 / (𝑀 · (𝑁C𝑀)))) |
21 | 20 | oveq2d 7323 | . . . 4 ⊢ (𝜑 → ((lcm‘(1...𝑁)) · ∫(0[,]1)((𝑥↑(𝑀 − 1)) · ((1 − 𝑥)↑(𝑁 − 𝑀))) d𝑥) = ((lcm‘(1...𝑁)) · (1 / (𝑀 · (𝑁C𝑀))))) |
22 | 19, 9, 7, 11 | lcmineqlem15 40251 | . . . 4 ⊢ (𝜑 → ((lcm‘(1...𝑁)) · ∫(0[,]1)((𝑥↑(𝑀 − 1)) · ((1 − 𝑥)↑(𝑁 − 𝑀))) d𝑥) ∈ ℕ) |
23 | 21, 22 | eqeltrrd 2838 | . . 3 ⊢ (𝜑 → ((lcm‘(1...𝑁)) · (1 / (𝑀 · (𝑁C𝑀)))) ∈ ℕ) |
24 | 18, 23 | eqeltrd 2837 | . 2 ⊢ (𝜑 → ((lcm‘(1...𝑁)) / (𝑀 · (𝑁C𝑀))) ∈ ℕ) |
25 | 7, 12 | nnmulcld 12076 | . . 3 ⊢ (𝜑 → (𝑀 · (𝑁C𝑀)) ∈ ℕ) |
26 | 25, 5 | nndivdvdsd 40208 | . 2 ⊢ (𝜑 → ((𝑀 · (𝑁C𝑀)) ∥ (lcm‘(1...𝑁)) ↔ ((lcm‘(1...𝑁)) / (𝑀 · (𝑁C𝑀))) ∈ ℕ)) |
27 | 24, 26 | mpbird 257 | 1 ⊢ (𝜑 → (𝑀 · (𝑁C𝑀)) ∥ (lcm‘(1...𝑁))) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∈ wcel 2104 ⊆ wss 3892 class class class wbr 5081 ‘cfv 6458 (class class class)co 7307 Fincfn 8764 0cc0 10921 1c1 10922 · cmul 10926 ≤ cle 11060 − cmin 11255 / cdiv 11682 ℕcn 12023 [,]cicc 13132 ...cfz 13289 ↑cexp 13832 Ccbc 14066 ∥ cdvds 16012 lcmclcmf 16343 ∫citg 24831 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1795 ax-4 1809 ax-5 1911 ax-6 1969 ax-7 2009 ax-8 2106 ax-9 2114 ax-10 2135 ax-11 2152 ax-12 2169 ax-ext 2707 ax-rep 5218 ax-sep 5232 ax-nul 5239 ax-pow 5297 ax-pr 5361 ax-un 7620 ax-inf2 9447 ax-cc 10241 ax-cnex 10977 ax-resscn 10978 ax-1cn 10979 ax-icn 10980 ax-addcl 10981 ax-addrcl 10982 ax-mulcl 10983 ax-mulrcl 10984 ax-mulcom 10985 ax-addass 10986 ax-mulass 10987 ax-distr 10988 ax-i2m1 10989 ax-1ne0 10990 ax-1rid 10991 ax-rnegex 10992 ax-rrecex 10993 ax-cnre 10994 ax-pre-lttri 10995 ax-pre-lttrn 10996 ax-pre-ltadd 10997 ax-pre-mulgt0 10998 ax-pre-sup 10999 ax-addf 11000 ax-mulf 11001 |
This theorem depends on definitions: df-bi 206 df-an 398 df-or 846 df-3or 1088 df-3an 1089 df-tru 1542 df-fal 1552 df-ex 1780 df-nf 1784 df-sb 2066 df-mo 2538 df-eu 2567 df-clab 2714 df-cleq 2728 df-clel 2814 df-nfc 2887 df-ne 2942 df-nel 3048 df-ral 3063 df-rex 3072 df-rmo 3304 df-reu 3305 df-rab 3306 df-v 3439 df-sbc 3722 df-csb 3838 df-dif 3895 df-un 3897 df-in 3899 df-ss 3909 df-pss 3911 df-symdif 4182 df-nul 4263 df-if 4466 df-pw 4541 df-sn 4566 df-pr 4568 df-tp 4570 df-op 4572 df-uni 4845 df-int 4887 df-iun 4933 df-iin 4934 df-disj 5047 df-br 5082 df-opab 5144 df-mpt 5165 df-tr 5199 df-id 5500 df-eprel 5506 df-po 5514 df-so 5515 df-fr 5555 df-se 5556 df-we 5557 df-xp 5606 df-rel 5607 df-cnv 5608 df-co 5609 df-dm 5610 df-rn 5611 df-res 5612 df-ima 5613 df-pred 6217 df-ord 6284 df-on 6285 df-lim 6286 df-suc 6287 df-iota 6410 df-fun 6460 df-fn 6461 df-f 6462 df-f1 6463 df-fo 6464 df-f1o 6465 df-fv 6466 df-isom 6467 df-riota 7264 df-ov 7310 df-oprab 7311 df-mpo 7312 df-of 7565 df-ofr 7566 df-om 7745 df-1st 7863 df-2nd 7864 df-supp 8009 df-frecs 8128 df-wrecs 8159 df-recs 8233 df-rdg 8272 df-1o 8328 df-2o 8329 df-oadd 8332 df-omul 8333 df-er 8529 df-map 8648 df-pm 8649 df-ixp 8717 df-en 8765 df-dom 8766 df-sdom 8767 df-fin 8768 df-fsupp 9177 df-fi 9218 df-sup 9249 df-inf 9250 df-oi 9317 df-dju 9707 df-card 9745 df-acn 9748 df-pnf 11061 df-mnf 11062 df-xr 11063 df-ltxr 11064 df-le 11065 df-sub 11257 df-neg 11258 df-div 11683 df-nn 12024 df-2 12086 df-3 12087 df-4 12088 df-5 12089 df-6 12090 df-7 12091 df-8 12092 df-9 12093 df-n0 12284 df-z 12370 df-dec 12488 df-uz 12633 df-q 12739 df-rp 12781 df-xneg 12898 df-xadd 12899 df-xmul 12900 df-ioo 13133 df-ioc 13134 df-ico 13135 df-icc 13136 df-fz 13290 df-fzo 13433 df-fl 13562 df-mod 13640 df-seq 13772 df-exp 13833 df-fac 14038 df-bc 14067 df-hash 14095 df-cj 14859 df-re 14860 df-im 14861 df-sqrt 14995 df-abs 14996 df-limsup 15229 df-clim 15246 df-rlim 15247 df-sum 15447 df-prod 15665 df-dvds 16013 df-lcmf 16345 df-struct 16897 df-sets 16914 df-slot 16932 df-ndx 16944 df-base 16962 df-ress 16991 df-plusg 17024 df-mulr 17025 df-starv 17026 df-sca 17027 df-vsca 17028 df-ip 17029 df-tset 17030 df-ple 17031 df-ds 17033 df-unif 17034 df-hom 17035 df-cco 17036 df-rest 17182 df-topn 17183 df-0g 17201 df-gsum 17202 df-topgen 17203 df-pt 17204 df-prds 17207 df-xrs 17262 df-qtop 17267 df-imas 17268 df-xps 17270 df-mre 17344 df-mrc 17345 df-acs 17347 df-mgm 18375 df-sgrp 18424 df-mnd 18435 df-submnd 18480 df-mulg 18750 df-cntz 18972 df-cmn 19437 df-psmet 20638 df-xmet 20639 df-met 20640 df-bl 20641 df-mopn 20642 df-fbas 20643 df-fg 20644 df-cnfld 20647 df-top 22092 df-topon 22109 df-topsp 22131 df-bases 22145 df-cld 22219 df-ntr 22220 df-cls 22221 df-nei 22298 df-lp 22336 df-perf 22337 df-cn 22427 df-cnp 22428 df-haus 22515 df-cmp 22587 df-tx 22762 df-hmeo 22955 df-fil 23046 df-fm 23138 df-flim 23139 df-flf 23140 df-xms 23522 df-ms 23523 df-tms 23524 df-cncf 24090 df-ovol 24677 df-vol 24678 df-mbf 24832 df-itg1 24833 df-itg2 24834 df-ibl 24835 df-itg 24836 df-0p 24883 df-limc 25079 df-dv 25080 |
This theorem is referenced by: lcmineqlem19 40255 |
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