Mathbox for metakunt |
< Previous
Next >
Nearby theorems |
||
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 13269 | . . . . . . 7 ⊢ (1...𝑁) ⊆ ℕ | |
2 | fzfi 13673 | . . . . . . 7 ⊢ (1...𝑁) ∈ Fin | |
3 | lcmfnncl 16315 | . . . . . . 7 ⊢ (((1...𝑁) ⊆ ℕ ∧ (1...𝑁) ∈ Fin) → (lcm‘(1...𝑁)) ∈ ℕ) | |
4 | 1, 2, 3 | mp2an 688 | . . . . . 6 ⊢ (lcm‘(1...𝑁)) ∈ ℕ |
5 | 4 | a1i 11 | . . . . 5 ⊢ (𝜑 → (lcm‘(1...𝑁)) ∈ ℕ) |
6 | 5 | nncnd 11972 | . . . 4 ⊢ (𝜑 → (lcm‘(1...𝑁)) ∈ ℂ) |
7 | lcmineqlem16.1 | . . . . . 6 ⊢ (𝜑 → 𝑀 ∈ ℕ) | |
8 | 7 | nncnd 11972 | . . . . 5 ⊢ (𝜑 → 𝑀 ∈ ℂ) |
9 | lcmineqlem16.2 | . . . . . . 7 ⊢ (𝜑 → 𝑁 ∈ ℕ) | |
10 | 7 | nnnn0d 12276 | . . . . . . 7 ⊢ (𝜑 → 𝑀 ∈ ℕ0) |
11 | lcmineqlem16.3 | . . . . . . 7 ⊢ (𝜑 → 𝑀 ≤ 𝑁) | |
12 | 9, 10, 11 | bccl2d 39980 | . . . . . 6 ⊢ (𝜑 → (𝑁C𝑀) ∈ ℕ) |
13 | 12 | nncnd 11972 | . . . . 5 ⊢ (𝜑 → (𝑁C𝑀) ∈ ℂ) |
14 | 8, 13 | mulcld 10979 | . . . 4 ⊢ (𝜑 → (𝑀 · (𝑁C𝑀)) ∈ ℂ) |
15 | 7 | nnne0d 12006 | . . . . 5 ⊢ (𝜑 → 𝑀 ≠ 0) |
16 | 12 | nnne0d 12006 | . . . . 5 ⊢ (𝜑 → (𝑁C𝑀) ≠ 0) |
17 | 8, 13, 15, 16 | mulne0d 11610 | . . . 4 ⊢ (𝜑 → (𝑀 · (𝑁C𝑀)) ≠ 0) |
18 | 6, 14, 17 | divrecd 11737 | . . 3 ⊢ (𝜑 → ((lcm‘(1...𝑁)) / (𝑀 · (𝑁C𝑀))) = ((lcm‘(1...𝑁)) · (1 / (𝑀 · (𝑁C𝑀))))) |
19 | eqid 2739 | . . . . . 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 40029 | . . . . 5 ⊢ (𝜑 → ∫(0[,]1)((𝑥↑(𝑀 − 1)) · ((1 − 𝑥)↑(𝑁 − 𝑀))) d𝑥 = (1 / (𝑀 · (𝑁C𝑀)))) |
21 | 20 | oveq2d 7284 | . . . 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 40031 | . . . 4 ⊢ (𝜑 → ((lcm‘(1...𝑁)) · ∫(0[,]1)((𝑥↑(𝑀 − 1)) · ((1 − 𝑥)↑(𝑁 − 𝑀))) d𝑥) ∈ ℕ) |
23 | 21, 22 | eqeltrrd 2841 | . . 3 ⊢ (𝜑 → ((lcm‘(1...𝑁)) · (1 / (𝑀 · (𝑁C𝑀)))) ∈ ℕ) |
24 | 18, 23 | eqeltrd 2840 | . 2 ⊢ (𝜑 → ((lcm‘(1...𝑁)) / (𝑀 · (𝑁C𝑀))) ∈ ℕ) |
25 | 7, 12 | nnmulcld 12009 | . . 3 ⊢ (𝜑 → (𝑀 · (𝑁C𝑀)) ∈ ℕ) |
26 | 25, 5 | nndivdvdsd 39988 | . 2 ⊢ (𝜑 → ((𝑀 · (𝑁C𝑀)) ∥ (lcm‘(1...𝑁)) ↔ ((lcm‘(1...𝑁)) / (𝑀 · (𝑁C𝑀))) ∈ ℕ)) |
27 | 24, 26 | mpbird 256 | 1 ⊢ (𝜑 → (𝑀 · (𝑁C𝑀)) ∥ (lcm‘(1...𝑁))) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∈ wcel 2109 ⊆ wss 3891 class class class wbr 5078 ‘cfv 6430 (class class class)co 7268 Fincfn 8707 0cc0 10855 1c1 10856 · cmul 10860 ≤ cle 10994 − cmin 11188 / cdiv 11615 ℕcn 11956 [,]cicc 13064 ...cfz 13221 ↑cexp 13763 Ccbc 13997 ∥ cdvds 15944 lcmclcmf 16275 ∫citg 24763 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1801 ax-4 1815 ax-5 1916 ax-6 1974 ax-7 2014 ax-8 2111 ax-9 2119 ax-10 2140 ax-11 2157 ax-12 2174 ax-ext 2710 ax-rep 5213 ax-sep 5226 ax-nul 5233 ax-pow 5291 ax-pr 5355 ax-un 7579 ax-inf2 9360 ax-cc 10175 ax-cnex 10911 ax-resscn 10912 ax-1cn 10913 ax-icn 10914 ax-addcl 10915 ax-addrcl 10916 ax-mulcl 10917 ax-mulrcl 10918 ax-mulcom 10919 ax-addass 10920 ax-mulass 10921 ax-distr 10922 ax-i2m1 10923 ax-1ne0 10924 ax-1rid 10925 ax-rnegex 10926 ax-rrecex 10927 ax-cnre 10928 ax-pre-lttri 10929 ax-pre-lttrn 10930 ax-pre-ltadd 10931 ax-pre-mulgt0 10932 ax-pre-sup 10933 ax-addf 10934 ax-mulf 10935 |
This theorem depends on definitions: df-bi 206 df-an 396 df-or 844 df-3or 1086 df-3an 1087 df-tru 1544 df-fal 1554 df-ex 1786 df-nf 1790 df-sb 2071 df-mo 2541 df-eu 2570 df-clab 2717 df-cleq 2731 df-clel 2817 df-nfc 2890 df-ne 2945 df-nel 3051 df-ral 3070 df-rex 3071 df-reu 3072 df-rmo 3073 df-rab 3074 df-v 3432 df-sbc 3720 df-csb 3837 df-dif 3894 df-un 3896 df-in 3898 df-ss 3908 df-pss 3910 df-symdif 4181 df-nul 4262 df-if 4465 df-pw 4540 df-sn 4567 df-pr 4569 df-tp 4571 df-op 4573 df-uni 4845 df-int 4885 df-iun 4931 df-iin 4932 df-disj 5044 df-br 5079 df-opab 5141 df-mpt 5162 df-tr 5196 df-id 5488 df-eprel 5494 df-po 5502 df-so 5503 df-fr 5543 df-se 5544 df-we 5545 df-xp 5594 df-rel 5595 df-cnv 5596 df-co 5597 df-dm 5598 df-rn 5599 df-res 5600 df-ima 5601 df-pred 6199 df-ord 6266 df-on 6267 df-lim 6268 df-suc 6269 df-iota 6388 df-fun 6432 df-fn 6433 df-f 6434 df-f1 6435 df-fo 6436 df-f1o 6437 df-fv 6438 df-isom 6439 df-riota 7225 df-ov 7271 df-oprab 7272 df-mpo 7273 df-of 7524 df-ofr 7525 df-om 7701 df-1st 7817 df-2nd 7818 df-supp 7962 df-frecs 8081 df-wrecs 8112 df-recs 8186 df-rdg 8225 df-1o 8281 df-2o 8282 df-oadd 8285 df-omul 8286 df-er 8472 df-map 8591 df-pm 8592 df-ixp 8660 df-en 8708 df-dom 8709 df-sdom 8710 df-fin 8711 df-fsupp 9090 df-fi 9131 df-sup 9162 df-inf 9163 df-oi 9230 df-dju 9643 df-card 9681 df-acn 9684 df-pnf 10995 df-mnf 10996 df-xr 10997 df-ltxr 10998 df-le 10999 df-sub 11190 df-neg 11191 df-div 11616 df-nn 11957 df-2 12019 df-3 12020 df-4 12021 df-5 12022 df-6 12023 df-7 12024 df-8 12025 df-9 12026 df-n0 12217 df-z 12303 df-dec 12420 df-uz 12565 df-q 12671 df-rp 12713 df-xneg 12830 df-xadd 12831 df-xmul 12832 df-ioo 13065 df-ioc 13066 df-ico 13067 df-icc 13068 df-fz 13222 df-fzo 13365 df-fl 13493 df-mod 13571 df-seq 13703 df-exp 13764 df-fac 13969 df-bc 13998 df-hash 14026 df-cj 14791 df-re 14792 df-im 14793 df-sqrt 14927 df-abs 14928 df-limsup 15161 df-clim 15178 df-rlim 15179 df-sum 15379 df-prod 15597 df-dvds 15945 df-lcmf 16277 df-struct 16829 df-sets 16846 df-slot 16864 df-ndx 16876 df-base 16894 df-ress 16923 df-plusg 16956 df-mulr 16957 df-starv 16958 df-sca 16959 df-vsca 16960 df-ip 16961 df-tset 16962 df-ple 16963 df-ds 16965 df-unif 16966 df-hom 16967 df-cco 16968 df-rest 17114 df-topn 17115 df-0g 17133 df-gsum 17134 df-topgen 17135 df-pt 17136 df-prds 17139 df-xrs 17194 df-qtop 17199 df-imas 17200 df-xps 17202 df-mre 17276 df-mrc 17277 df-acs 17279 df-mgm 18307 df-sgrp 18356 df-mnd 18367 df-submnd 18412 df-mulg 18682 df-cntz 18904 df-cmn 19369 df-psmet 20570 df-xmet 20571 df-met 20572 df-bl 20573 df-mopn 20574 df-fbas 20575 df-fg 20576 df-cnfld 20579 df-top 22024 df-topon 22041 df-topsp 22063 df-bases 22077 df-cld 22151 df-ntr 22152 df-cls 22153 df-nei 22230 df-lp 22268 df-perf 22269 df-cn 22359 df-cnp 22360 df-haus 22447 df-cmp 22519 df-tx 22694 df-hmeo 22887 df-fil 22978 df-fm 23070 df-flim 23071 df-flf 23072 df-xms 23454 df-ms 23455 df-tms 23456 df-cncf 24022 df-ovol 24609 df-vol 24610 df-mbf 24764 df-itg1 24765 df-itg2 24766 df-ibl 24767 df-itg 24768 df-0p 24815 df-limc 25011 df-dv 25012 |
This theorem is referenced by: lcmineqlem19 40035 |
Copyright terms: Public domain | W3C validator |