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Mirrors > Home > MPE Home > Th. List > pcpre1 | Structured version Visualization version GIF version |
Description: Value of the prime power pre-function at 1. (Contributed by Mario Carneiro, 23-Feb-2014.) (Revised by Mario Carneiro, 26-Apr-2016.) |
Ref | Expression |
---|---|
pclem.1 | ⊢ 𝐴 = {𝑛 ∈ ℕ0 ∣ (𝑃↑𝑛) ∥ 𝑁} |
pclem.2 | ⊢ 𝑆 = sup(𝐴, ℝ, < ) |
Ref | Expression |
---|---|
pcpre1 | ⊢ ((𝑃 ∈ (ℤ≥‘2) ∧ 𝑁 = 1) → 𝑆 = 0) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | 1z 12361 | . . . . . . . . . 10 ⊢ 1 ∈ ℤ | |
2 | eleq1 2828 | . . . . . . . . . 10 ⊢ (𝑁 = 1 → (𝑁 ∈ ℤ ↔ 1 ∈ ℤ)) | |
3 | 1, 2 | mpbiri 257 | . . . . . . . . 9 ⊢ (𝑁 = 1 → 𝑁 ∈ ℤ) |
4 | ax-1ne0 10951 | . . . . . . . . . 10 ⊢ 1 ≠ 0 | |
5 | neeq1 3008 | . . . . . . . . . 10 ⊢ (𝑁 = 1 → (𝑁 ≠ 0 ↔ 1 ≠ 0)) | |
6 | 4, 5 | mpbiri 257 | . . . . . . . . 9 ⊢ (𝑁 = 1 → 𝑁 ≠ 0) |
7 | 3, 6 | jca 512 | . . . . . . . 8 ⊢ (𝑁 = 1 → (𝑁 ∈ ℤ ∧ 𝑁 ≠ 0)) |
8 | pclem.1 | . . . . . . . . 9 ⊢ 𝐴 = {𝑛 ∈ ℕ0 ∣ (𝑃↑𝑛) ∥ 𝑁} | |
9 | pclem.2 | . . . . . . . . 9 ⊢ 𝑆 = sup(𝐴, ℝ, < ) | |
10 | 8, 9 | pcprecl 16551 | . . . . . . . 8 ⊢ ((𝑃 ∈ (ℤ≥‘2) ∧ (𝑁 ∈ ℤ ∧ 𝑁 ≠ 0)) → (𝑆 ∈ ℕ0 ∧ (𝑃↑𝑆) ∥ 𝑁)) |
11 | 7, 10 | sylan2 593 | . . . . . . 7 ⊢ ((𝑃 ∈ (ℤ≥‘2) ∧ 𝑁 = 1) → (𝑆 ∈ ℕ0 ∧ (𝑃↑𝑆) ∥ 𝑁)) |
12 | 11 | simprd 496 | . . . . . 6 ⊢ ((𝑃 ∈ (ℤ≥‘2) ∧ 𝑁 = 1) → (𝑃↑𝑆) ∥ 𝑁) |
13 | simpr 485 | . . . . . 6 ⊢ ((𝑃 ∈ (ℤ≥‘2) ∧ 𝑁 = 1) → 𝑁 = 1) | |
14 | 12, 13 | breqtrd 5105 | . . . . 5 ⊢ ((𝑃 ∈ (ℤ≥‘2) ∧ 𝑁 = 1) → (𝑃↑𝑆) ∥ 1) |
15 | eluz2nn 12635 | . . . . . . . . 9 ⊢ (𝑃 ∈ (ℤ≥‘2) → 𝑃 ∈ ℕ) | |
16 | 15 | adantr 481 | . . . . . . . 8 ⊢ ((𝑃 ∈ (ℤ≥‘2) ∧ 𝑁 = 1) → 𝑃 ∈ ℕ) |
17 | 11 | simpld 495 | . . . . . . . 8 ⊢ ((𝑃 ∈ (ℤ≥‘2) ∧ 𝑁 = 1) → 𝑆 ∈ ℕ0) |
18 | 16, 17 | nnexpcld 13971 | . . . . . . 7 ⊢ ((𝑃 ∈ (ℤ≥‘2) ∧ 𝑁 = 1) → (𝑃↑𝑆) ∈ ℕ) |
19 | 18 | nnzd 12436 | . . . . . 6 ⊢ ((𝑃 ∈ (ℤ≥‘2) ∧ 𝑁 = 1) → (𝑃↑𝑆) ∈ ℤ) |
20 | 1nn 11995 | . . . . . 6 ⊢ 1 ∈ ℕ | |
21 | dvdsle 16030 | . . . . . 6 ⊢ (((𝑃↑𝑆) ∈ ℤ ∧ 1 ∈ ℕ) → ((𝑃↑𝑆) ∥ 1 → (𝑃↑𝑆) ≤ 1)) | |
22 | 19, 20, 21 | sylancl 586 | . . . . 5 ⊢ ((𝑃 ∈ (ℤ≥‘2) ∧ 𝑁 = 1) → ((𝑃↑𝑆) ∥ 1 → (𝑃↑𝑆) ≤ 1)) |
23 | 14, 22 | mpd 15 | . . . 4 ⊢ ((𝑃 ∈ (ℤ≥‘2) ∧ 𝑁 = 1) → (𝑃↑𝑆) ≤ 1) |
24 | 16 | nncnd 12000 | . . . . 5 ⊢ ((𝑃 ∈ (ℤ≥‘2) ∧ 𝑁 = 1) → 𝑃 ∈ ℂ) |
25 | 24 | exp0d 13869 | . . . 4 ⊢ ((𝑃 ∈ (ℤ≥‘2) ∧ 𝑁 = 1) → (𝑃↑0) = 1) |
26 | 23, 25 | breqtrrd 5107 | . . 3 ⊢ ((𝑃 ∈ (ℤ≥‘2) ∧ 𝑁 = 1) → (𝑃↑𝑆) ≤ (𝑃↑0)) |
27 | 16 | nnred 11999 | . . . 4 ⊢ ((𝑃 ∈ (ℤ≥‘2) ∧ 𝑁 = 1) → 𝑃 ∈ ℝ) |
28 | 17 | nn0zd 12435 | . . . 4 ⊢ ((𝑃 ∈ (ℤ≥‘2) ∧ 𝑁 = 1) → 𝑆 ∈ ℤ) |
29 | 0zd 12342 | . . . 4 ⊢ ((𝑃 ∈ (ℤ≥‘2) ∧ 𝑁 = 1) → 0 ∈ ℤ) | |
30 | eluz2gt1 12671 | . . . . 5 ⊢ (𝑃 ∈ (ℤ≥‘2) → 1 < 𝑃) | |
31 | 30 | adantr 481 | . . . 4 ⊢ ((𝑃 ∈ (ℤ≥‘2) ∧ 𝑁 = 1) → 1 < 𝑃) |
32 | 27, 28, 29, 31 | leexp2d 13980 | . . 3 ⊢ ((𝑃 ∈ (ℤ≥‘2) ∧ 𝑁 = 1) → (𝑆 ≤ 0 ↔ (𝑃↑𝑆) ≤ (𝑃↑0))) |
33 | 26, 32 | mpbird 256 | . 2 ⊢ ((𝑃 ∈ (ℤ≥‘2) ∧ 𝑁 = 1) → 𝑆 ≤ 0) |
34 | 10 | simpld 495 | . . . 4 ⊢ ((𝑃 ∈ (ℤ≥‘2) ∧ (𝑁 ∈ ℤ ∧ 𝑁 ≠ 0)) → 𝑆 ∈ ℕ0) |
35 | 7, 34 | sylan2 593 | . . 3 ⊢ ((𝑃 ∈ (ℤ≥‘2) ∧ 𝑁 = 1) → 𝑆 ∈ ℕ0) |
36 | nn0le0eq0 12272 | . . 3 ⊢ (𝑆 ∈ ℕ0 → (𝑆 ≤ 0 ↔ 𝑆 = 0)) | |
37 | 35, 36 | syl 17 | . 2 ⊢ ((𝑃 ∈ (ℤ≥‘2) ∧ 𝑁 = 1) → (𝑆 ≤ 0 ↔ 𝑆 = 0)) |
38 | 33, 37 | mpbid 231 | 1 ⊢ ((𝑃 ∈ (ℤ≥‘2) ∧ 𝑁 = 1) → 𝑆 = 0) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ↔ wb 205 ∧ wa 396 = wceq 1542 ∈ wcel 2110 ≠ wne 2945 {crab 3070 class class class wbr 5079 ‘cfv 6432 (class class class)co 7272 supcsup 9187 ℝcr 10881 0cc0 10882 1c1 10883 < clt 11020 ≤ cle 11021 ℕcn 11984 2c2 12039 ℕ0cn0 12244 ℤcz 12330 ℤ≥cuz 12593 ↑cexp 13793 ∥ cdvds 15974 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1802 ax-4 1816 ax-5 1917 ax-6 1975 ax-7 2015 ax-8 2112 ax-9 2120 ax-10 2141 ax-11 2158 ax-12 2175 ax-ext 2711 ax-sep 5227 ax-nul 5234 ax-pow 5292 ax-pr 5356 ax-un 7583 ax-cnex 10938 ax-resscn 10939 ax-1cn 10940 ax-icn 10941 ax-addcl 10942 ax-addrcl 10943 ax-mulcl 10944 ax-mulrcl 10945 ax-mulcom 10946 ax-addass 10947 ax-mulass 10948 ax-distr 10949 ax-i2m1 10950 ax-1ne0 10951 ax-1rid 10952 ax-rnegex 10953 ax-rrecex 10954 ax-cnre 10955 ax-pre-lttri 10956 ax-pre-lttrn 10957 ax-pre-ltadd 10958 ax-pre-mulgt0 10959 ax-pre-sup 10960 |
This theorem depends on definitions: df-bi 206 df-an 397 df-or 845 df-3or 1087 df-3an 1088 df-tru 1545 df-fal 1555 df-ex 1787 df-nf 1791 df-sb 2072 df-mo 2542 df-eu 2571 df-clab 2718 df-cleq 2732 df-clel 2818 df-nfc 2891 df-ne 2946 df-nel 3052 df-ral 3071 df-rex 3072 df-reu 3073 df-rmo 3074 df-rab 3075 df-v 3433 df-sbc 3721 df-csb 3838 df-dif 3895 df-un 3897 df-in 3899 df-ss 3909 df-pss 3911 df-nul 4263 df-if 4466 df-pw 4541 df-sn 4568 df-pr 4570 df-op 4574 df-uni 4846 df-iun 4932 df-br 5080 df-opab 5142 df-mpt 5163 df-tr 5197 df-id 5490 df-eprel 5496 df-po 5504 df-so 5505 df-fr 5545 df-we 5547 df-xp 5596 df-rel 5597 df-cnv 5598 df-co 5599 df-dm 5600 df-rn 5601 df-res 5602 df-ima 5603 df-pred 6201 df-ord 6268 df-on 6269 df-lim 6270 df-suc 6271 df-iota 6390 df-fun 6434 df-fn 6435 df-f 6436 df-f1 6437 df-fo 6438 df-f1o 6439 df-fv 6440 df-riota 7229 df-ov 7275 df-oprab 7276 df-mpo 7277 df-om 7708 df-2nd 7826 df-frecs 8089 df-wrecs 8120 df-recs 8194 df-rdg 8233 df-er 8490 df-en 8726 df-dom 8727 df-sdom 8728 df-sup 9189 df-inf 9190 df-pnf 11022 df-mnf 11023 df-xr 11024 df-ltxr 11025 df-le 11026 df-sub 11218 df-neg 11219 df-div 11644 df-nn 11985 df-2 12047 df-3 12048 df-n0 12245 df-z 12331 df-uz 12594 df-rp 12742 df-fl 13523 df-seq 13733 df-exp 13794 df-cj 14821 df-re 14822 df-im 14823 df-sqrt 14957 df-abs 14958 df-dvds 15975 |
This theorem is referenced by: pczpre 16559 pc1 16567 |
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