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| Mirrors > Home > MPE Home > Th. List > prmolelcmf | Structured version Visualization version GIF version | ||
| Description: The primorial of a positive integer is less than or equal to the least common multiple of all positive integers less than or equal to the integer. (Contributed by AV, 19-Aug-2020.) (Revised by AV, 29-Aug-2020.) |
| Ref | Expression |
|---|---|
| prmolelcmf | ⊢ (𝑁 ∈ ℕ0 → (#p‘𝑁) ≤ (lcm‘(1...𝑁))) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | prmocl 17126 | . . . 4 ⊢ (𝑁 ∈ ℕ0 → (#p‘𝑁) ∈ ℕ) | |
| 2 | 1 | nnzd 12641 | . . 3 ⊢ (𝑁 ∈ ℕ0 → (#p‘𝑁) ∈ ℤ) |
| 3 | fzssz 13580 | . . . 4 ⊢ (1...𝑁) ⊆ ℤ | |
| 4 | fzfid 14037 | . . . 4 ⊢ (𝑁 ∈ ℕ0 → (1...𝑁) ∈ Fin) | |
| 5 | 0nelfz1 13597 | . . . . 5 ⊢ 0 ∉ (1...𝑁) | |
| 6 | 5 | a1i 11 | . . . 4 ⊢ (𝑁 ∈ ℕ0 → 0 ∉ (1...𝑁)) |
| 7 | lcmfn0cl 16716 | . . . 4 ⊢ (((1...𝑁) ⊆ ℤ ∧ (1...𝑁) ∈ Fin ∧ 0 ∉ (1...𝑁)) → (lcm‘(1...𝑁)) ∈ ℕ) | |
| 8 | 3, 4, 6, 7 | mp3an2i 1495 | . . 3 ⊢ (𝑁 ∈ ℕ0 → (lcm‘(1...𝑁)) ∈ ℕ) |
| 9 | 2, 8 | jca 521 | . 2 ⊢ (𝑁 ∈ ℕ0 → ((#p‘𝑁) ∈ ℤ ∧ (lcm‘(1...𝑁)) ∈ ℕ)) |
| 10 | prmodvdslcmf 17139 | . 2 ⊢ (𝑁 ∈ ℕ0 → (#p‘𝑁) ∥ (lcm‘(1...𝑁))) | |
| 11 | dvdsle 16400 | . 2 ⊢ (((#p‘𝑁) ∈ ℤ ∧ (lcm‘(1...𝑁)) ∈ ℕ) → ((#p‘𝑁) ∥ (lcm‘(1...𝑁)) → (#p‘𝑁) ≤ (lcm‘(1...𝑁)))) | |
| 12 | 9, 10, 11 | sylc 66 | 1 ⊢ (𝑁 ∈ ℕ0 → (#p‘𝑁) ≤ (lcm‘(1...𝑁))) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∧ wa 401 ∈ wcel 2145 ∉ wnel 3061 ⊆ wss 3899 class class class wbr 5103 ‘cfv 6533 (class class class)co 7413 Fincfn 8952 0cc0 11124 1c1 11125 ≤ cle 11268 ℕcn 12257 ℕ0cn0 12528 ℤcz 12615 ...cfz 13561 ∥ cdvds 16342 lcmclcmf 16679 #pcprmo 17123 |
| 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 7736 ax-inf2 9620 ax-cnex 11180 ax-resscn 11181 ax-1cn 11182 ax-icn 11183 ax-addcl 11184 ax-addrcl 11185 ax-mulcl 11186 ax-mulrcl 11187 ax-mulcom 11188 ax-addass 11189 ax-mulass 11190 ax-distr 11191 ax-i2m1 11192 ax-1ne0 11193 ax-1rid 11194 ax-rnegex 11195 ax-rrecex 11196 ax-cnre 11197 ax-pre-lttri 11198 ax-pre-lttrn 11199 ax-pre-ltadd 11200 ax-pre-mulgt0 11201 ax-pre-sup 11202 |
| 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-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 7370 df-ov 7416 df-oprab 7417 df-mpo 7418 df-om 7863 df-1st 7986 df-2nd 7987 df-frecs 8280 df-wrecs 8311 df-recs 8360 df-rdg 8399 df-1o 8455 df-2o 8456 df-er 8696 df-en 8953 df-dom 8954 df-sdom 8955 df-fin 8956 df-sup 9412 df-inf 9413 df-oi 9482 df-card 9944 df-pnf 11269 df-mnf 11270 df-xr 11271 df-ltxr 11272 df-le 11273 df-sub 11467 df-neg 11468 df-div 11896 df-nn 12258 df-2 12327 df-3 12328 df-n0 12529 df-z 12616 df-uz 12888 df-rp 13043 df-fz 13562 df-fzo 13710 df-fl 13853 df-mod 13931 df-seq 14066 df-exp 14126 df-hash 14395 df-cj 15186 df-re 15187 df-im 15188 df-sqrt 15322 df-abs 15323 df-clim 15575 df-prod 15993 df-dvds 16343 df-gcd 16585 df-lcmf 16681 df-prm 16762 df-prmo 17124 |
| This theorem is used by: (None) |
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