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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 11284 | . . . . . . . . . 10 ⊢ 1 ∈ ℤ | |
2 | eleq1 2676 | . . . . . . . . . 10 ⊢ (𝑁 = 1 → (𝑁 ∈ ℤ ↔ 1 ∈ ℤ)) | |
3 | 1, 2 | mpbiri 247 | . . . . . . . . 9 ⊢ (𝑁 = 1 → 𝑁 ∈ ℤ) |
4 | ax-1ne0 9884 | . . . . . . . . . 10 ⊢ 1 ≠ 0 | |
5 | neeq1 2844 | . . . . . . . . . 10 ⊢ (𝑁 = 1 → (𝑁 ≠ 0 ↔ 1 ≠ 0)) | |
6 | 4, 5 | mpbiri 247 | . . . . . . . . 9 ⊢ (𝑁 = 1 → 𝑁 ≠ 0) |
7 | 3, 6 | jca 553 | . . . . . . . 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 15382 | . . . . . . . 8 ⊢ ((𝑃 ∈ (ℤ≥‘2) ∧ (𝑁 ∈ ℤ ∧ 𝑁 ≠ 0)) → (𝑆 ∈ ℕ0 ∧ (𝑃↑𝑆) ∥ 𝑁)) |
11 | 7, 10 | sylan2 490 | . . . . . . 7 ⊢ ((𝑃 ∈ (ℤ≥‘2) ∧ 𝑁 = 1) → (𝑆 ∈ ℕ0 ∧ (𝑃↑𝑆) ∥ 𝑁)) |
12 | 11 | simprd 478 | . . . . . 6 ⊢ ((𝑃 ∈ (ℤ≥‘2) ∧ 𝑁 = 1) → (𝑃↑𝑆) ∥ 𝑁) |
13 | simpr 476 | . . . . . 6 ⊢ ((𝑃 ∈ (ℤ≥‘2) ∧ 𝑁 = 1) → 𝑁 = 1) | |
14 | 12, 13 | breqtrd 4609 | . . . . 5 ⊢ ((𝑃 ∈ (ℤ≥‘2) ∧ 𝑁 = 1) → (𝑃↑𝑆) ∥ 1) |
15 | eluz2nn 11602 | . . . . . . . . 9 ⊢ (𝑃 ∈ (ℤ≥‘2) → 𝑃 ∈ ℕ) | |
16 | 15 | adantr 480 | . . . . . . . 8 ⊢ ((𝑃 ∈ (ℤ≥‘2) ∧ 𝑁 = 1) → 𝑃 ∈ ℕ) |
17 | 11 | simpld 474 | . . . . . . . 8 ⊢ ((𝑃 ∈ (ℤ≥‘2) ∧ 𝑁 = 1) → 𝑆 ∈ ℕ0) |
18 | 16, 17 | nnexpcld 12892 | . . . . . . 7 ⊢ ((𝑃 ∈ (ℤ≥‘2) ∧ 𝑁 = 1) → (𝑃↑𝑆) ∈ ℕ) |
19 | 18 | nnzd 11357 | . . . . . 6 ⊢ ((𝑃 ∈ (ℤ≥‘2) ∧ 𝑁 = 1) → (𝑃↑𝑆) ∈ ℤ) |
20 | 1nn 10908 | . . . . . 6 ⊢ 1 ∈ ℕ | |
21 | dvdsle 14870 | . . . . . 6 ⊢ (((𝑃↑𝑆) ∈ ℤ ∧ 1 ∈ ℕ) → ((𝑃↑𝑆) ∥ 1 → (𝑃↑𝑆) ≤ 1)) | |
22 | 19, 20, 21 | sylancl 693 | . . . . 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 10913 | . . . . 5 ⊢ ((𝑃 ∈ (ℤ≥‘2) ∧ 𝑁 = 1) → 𝑃 ∈ ℂ) |
25 | 24 | exp0d 12864 | . . . 4 ⊢ ((𝑃 ∈ (ℤ≥‘2) ∧ 𝑁 = 1) → (𝑃↑0) = 1) |
26 | 23, 25 | breqtrrd 4611 | . . 3 ⊢ ((𝑃 ∈ (ℤ≥‘2) ∧ 𝑁 = 1) → (𝑃↑𝑆) ≤ (𝑃↑0)) |
27 | 16 | nnred 10912 | . . . 4 ⊢ ((𝑃 ∈ (ℤ≥‘2) ∧ 𝑁 = 1) → 𝑃 ∈ ℝ) |
28 | 17 | nn0zd 11356 | . . . 4 ⊢ ((𝑃 ∈ (ℤ≥‘2) ∧ 𝑁 = 1) → 𝑆 ∈ ℤ) |
29 | 0zd 11266 | . . . 4 ⊢ ((𝑃 ∈ (ℤ≥‘2) ∧ 𝑁 = 1) → 0 ∈ ℤ) | |
30 | eluz2b2 11637 | . . . . . 6 ⊢ (𝑃 ∈ (ℤ≥‘2) ↔ (𝑃 ∈ ℕ ∧ 1 < 𝑃)) | |
31 | 30 | simprbi 479 | . . . . 5 ⊢ (𝑃 ∈ (ℤ≥‘2) → 1 < 𝑃) |
32 | 31 | adantr 480 | . . . 4 ⊢ ((𝑃 ∈ (ℤ≥‘2) ∧ 𝑁 = 1) → 1 < 𝑃) |
33 | 27, 28, 29, 32 | leexp2d 12901 | . . 3 ⊢ ((𝑃 ∈ (ℤ≥‘2) ∧ 𝑁 = 1) → (𝑆 ≤ 0 ↔ (𝑃↑𝑆) ≤ (𝑃↑0))) |
34 | 26, 33 | mpbird 246 | . 2 ⊢ ((𝑃 ∈ (ℤ≥‘2) ∧ 𝑁 = 1) → 𝑆 ≤ 0) |
35 | 10 | simpld 474 | . . . 4 ⊢ ((𝑃 ∈ (ℤ≥‘2) ∧ (𝑁 ∈ ℤ ∧ 𝑁 ≠ 0)) → 𝑆 ∈ ℕ0) |
36 | 7, 35 | sylan2 490 | . . 3 ⊢ ((𝑃 ∈ (ℤ≥‘2) ∧ 𝑁 = 1) → 𝑆 ∈ ℕ0) |
37 | nn0le0eq0 11198 | . . 3 ⊢ (𝑆 ∈ ℕ0 → (𝑆 ≤ 0 ↔ 𝑆 = 0)) | |
38 | 36, 37 | syl 17 | . 2 ⊢ ((𝑃 ∈ (ℤ≥‘2) ∧ 𝑁 = 1) → (𝑆 ≤ 0 ↔ 𝑆 = 0)) |
39 | 34, 38 | mpbid 221 | 1 ⊢ ((𝑃 ∈ (ℤ≥‘2) ∧ 𝑁 = 1) → 𝑆 = 0) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ↔ wb 195 ∧ wa 383 = wceq 1475 ∈ wcel 1977 ≠ wne 2780 {crab 2900 class class class wbr 4583 ‘cfv 5804 (class class class)co 6549 supcsup 8229 ℝcr 9814 0cc0 9815 1c1 9816 < clt 9953 ≤ cle 9954 ℕcn 10897 2c2 10947 ℕ0cn0 11169 ℤcz 11254 ℤ≥cuz 11563 ↑cexp 12722 ∥ cdvds 14821 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1713 ax-4 1728 ax-5 1827 ax-6 1875 ax-7 1922 ax-8 1979 ax-9 1986 ax-10 2006 ax-11 2021 ax-12 2034 ax-13 2234 ax-ext 2590 ax-sep 4709 ax-nul 4717 ax-pow 4769 ax-pr 4833 ax-un 6847 ax-cnex 9871 ax-resscn 9872 ax-1cn 9873 ax-icn 9874 ax-addcl 9875 ax-addrcl 9876 ax-mulcl 9877 ax-mulrcl 9878 ax-mulcom 9879 ax-addass 9880 ax-mulass 9881 ax-distr 9882 ax-i2m1 9883 ax-1ne0 9884 ax-1rid 9885 ax-rnegex 9886 ax-rrecex 9887 ax-cnre 9888 ax-pre-lttri 9889 ax-pre-lttrn 9890 ax-pre-ltadd 9891 ax-pre-mulgt0 9892 ax-pre-sup 9893 |
This theorem depends on definitions: df-bi 196 df-or 384 df-an 385 df-3or 1032 df-3an 1033 df-tru 1478 df-ex 1696 df-nf 1701 df-sb 1868 df-eu 2462 df-mo 2463 df-clab 2597 df-cleq 2603 df-clel 2606 df-nfc 2740 df-ne 2782 df-nel 2783 df-ral 2901 df-rex 2902 df-reu 2903 df-rmo 2904 df-rab 2905 df-v 3175 df-sbc 3403 df-csb 3500 df-dif 3543 df-un 3545 df-in 3547 df-ss 3554 df-pss 3556 df-nul 3875 df-if 4037 df-pw 4110 df-sn 4126 df-pr 4128 df-tp 4130 df-op 4132 df-uni 4373 df-iun 4457 df-br 4584 df-opab 4644 df-mpt 4645 df-tr 4681 df-eprel 4949 df-id 4953 df-po 4959 df-so 4960 df-fr 4997 df-we 4999 df-xp 5044 df-rel 5045 df-cnv 5046 df-co 5047 df-dm 5048 df-rn 5049 df-res 5050 df-ima 5051 df-pred 5597 df-ord 5643 df-on 5644 df-lim 5645 df-suc 5646 df-iota 5768 df-fun 5806 df-fn 5807 df-f 5808 df-f1 5809 df-fo 5810 df-f1o 5811 df-fv 5812 df-riota 6511 df-ov 6552 df-oprab 6553 df-mpt2 6554 df-om 6958 df-2nd 7060 df-wrecs 7294 df-recs 7355 df-rdg 7393 df-er 7629 df-en 7842 df-dom 7843 df-sdom 7844 df-sup 8231 df-inf 8232 df-pnf 9955 df-mnf 9956 df-xr 9957 df-ltxr 9958 df-le 9959 df-sub 10147 df-neg 10148 df-div 10564 df-nn 10898 df-2 10956 df-3 10957 df-n0 11170 df-z 11255 df-uz 11564 df-rp 11709 df-fl 12455 df-seq 12664 df-exp 12723 df-cj 13687 df-re 13688 df-im 13689 df-sqrt 13823 df-abs 13824 df-dvds 14822 |
This theorem is referenced by: pczpre 15390 pc1 15398 |
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