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Mirrors > Home > ILE Home > Th. List > pcpre1 | 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 9213 | . . . . . . . . . 10 ⊢ 1 ∈ ℤ | |
2 | eleq1 2228 | . . . . . . . . . 10 ⊢ (𝑁 = 1 → (𝑁 ∈ ℤ ↔ 1 ∈ ℤ)) | |
3 | 1, 2 | mpbiri 167 | . . . . . . . . 9 ⊢ (𝑁 = 1 → 𝑁 ∈ ℤ) |
4 | 1ne0 8921 | . . . . . . . . . 10 ⊢ 1 ≠ 0 | |
5 | neeq1 2348 | . . . . . . . . . 10 ⊢ (𝑁 = 1 → (𝑁 ≠ 0 ↔ 1 ≠ 0)) | |
6 | 4, 5 | mpbiri 167 | . . . . . . . . 9 ⊢ (𝑁 = 1 → 𝑁 ≠ 0) |
7 | 3, 6 | jca 304 | . . . . . . . 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 12217 | . . . . . . . 8 ⊢ ((𝑃 ∈ (ℤ≥‘2) ∧ (𝑁 ∈ ℤ ∧ 𝑁 ≠ 0)) → (𝑆 ∈ ℕ0 ∧ (𝑃↑𝑆) ∥ 𝑁)) |
11 | 7, 10 | sylan2 284 | . . . . . . 7 ⊢ ((𝑃 ∈ (ℤ≥‘2) ∧ 𝑁 = 1) → (𝑆 ∈ ℕ0 ∧ (𝑃↑𝑆) ∥ 𝑁)) |
12 | 11 | simprd 113 | . . . . . 6 ⊢ ((𝑃 ∈ (ℤ≥‘2) ∧ 𝑁 = 1) → (𝑃↑𝑆) ∥ 𝑁) |
13 | simpr 109 | . . . . . 6 ⊢ ((𝑃 ∈ (ℤ≥‘2) ∧ 𝑁 = 1) → 𝑁 = 1) | |
14 | 12, 13 | breqtrd 4007 | . . . . 5 ⊢ ((𝑃 ∈ (ℤ≥‘2) ∧ 𝑁 = 1) → (𝑃↑𝑆) ∥ 1) |
15 | eluz2nn 9500 | . . . . . . . . 9 ⊢ (𝑃 ∈ (ℤ≥‘2) → 𝑃 ∈ ℕ) | |
16 | 15 | adantr 274 | . . . . . . . 8 ⊢ ((𝑃 ∈ (ℤ≥‘2) ∧ 𝑁 = 1) → 𝑃 ∈ ℕ) |
17 | 11 | simpld 111 | . . . . . . . 8 ⊢ ((𝑃 ∈ (ℤ≥‘2) ∧ 𝑁 = 1) → 𝑆 ∈ ℕ0) |
18 | 16, 17 | nnexpcld 10606 | . . . . . . 7 ⊢ ((𝑃 ∈ (ℤ≥‘2) ∧ 𝑁 = 1) → (𝑃↑𝑆) ∈ ℕ) |
19 | 18 | nnzd 9308 | . . . . . 6 ⊢ ((𝑃 ∈ (ℤ≥‘2) ∧ 𝑁 = 1) → (𝑃↑𝑆) ∈ ℤ) |
20 | 1nn 8864 | . . . . . 6 ⊢ 1 ∈ ℕ | |
21 | dvdsle 11778 | . . . . . 6 ⊢ (((𝑃↑𝑆) ∈ ℤ ∧ 1 ∈ ℕ) → ((𝑃↑𝑆) ∥ 1 → (𝑃↑𝑆) ≤ 1)) | |
22 | 19, 20, 21 | sylancl 410 | . . . . 5 ⊢ ((𝑃 ∈ (ℤ≥‘2) ∧ 𝑁 = 1) → ((𝑃↑𝑆) ∥ 1 → (𝑃↑𝑆) ≤ 1)) |
23 | 14, 22 | mpd 13 | . . . 4 ⊢ ((𝑃 ∈ (ℤ≥‘2) ∧ 𝑁 = 1) → (𝑃↑𝑆) ≤ 1) |
24 | 16 | nncnd 8867 | . . . . 5 ⊢ ((𝑃 ∈ (ℤ≥‘2) ∧ 𝑁 = 1) → 𝑃 ∈ ℂ) |
25 | 24 | exp0d 10578 | . . . 4 ⊢ ((𝑃 ∈ (ℤ≥‘2) ∧ 𝑁 = 1) → (𝑃↑0) = 1) |
26 | 23, 25 | breqtrrd 4009 | . . 3 ⊢ ((𝑃 ∈ (ℤ≥‘2) ∧ 𝑁 = 1) → (𝑃↑𝑆) ≤ (𝑃↑0)) |
27 | 16 | nnred 8866 | . . . 4 ⊢ ((𝑃 ∈ (ℤ≥‘2) ∧ 𝑁 = 1) → 𝑃 ∈ ℝ) |
28 | 0nn0 9125 | . . . . 5 ⊢ 0 ∈ ℕ0 | |
29 | 28 | a1i 9 | . . . 4 ⊢ ((𝑃 ∈ (ℤ≥‘2) ∧ 𝑁 = 1) → 0 ∈ ℕ0) |
30 | eluz2gt1 9536 | . . . . 5 ⊢ (𝑃 ∈ (ℤ≥‘2) → 1 < 𝑃) | |
31 | 30 | adantr 274 | . . . 4 ⊢ ((𝑃 ∈ (ℤ≥‘2) ∧ 𝑁 = 1) → 1 < 𝑃) |
32 | nn0leexp2 10620 | . . . 4 ⊢ (((𝑃 ∈ ℝ ∧ 𝑆 ∈ ℕ0 ∧ 0 ∈ ℕ0) ∧ 1 < 𝑃) → (𝑆 ≤ 0 ↔ (𝑃↑𝑆) ≤ (𝑃↑0))) | |
33 | 27, 17, 29, 31, 32 | syl31anc 1231 | . . 3 ⊢ ((𝑃 ∈ (ℤ≥‘2) ∧ 𝑁 = 1) → (𝑆 ≤ 0 ↔ (𝑃↑𝑆) ≤ (𝑃↑0))) |
34 | 26, 33 | mpbird 166 | . 2 ⊢ ((𝑃 ∈ (ℤ≥‘2) ∧ 𝑁 = 1) → 𝑆 ≤ 0) |
35 | 10 | simpld 111 | . . . 4 ⊢ ((𝑃 ∈ (ℤ≥‘2) ∧ (𝑁 ∈ ℤ ∧ 𝑁 ≠ 0)) → 𝑆 ∈ ℕ0) |
36 | 7, 35 | sylan2 284 | . . 3 ⊢ ((𝑃 ∈ (ℤ≥‘2) ∧ 𝑁 = 1) → 𝑆 ∈ ℕ0) |
37 | nn0le0eq0 9138 | . . 3 ⊢ (𝑆 ∈ ℕ0 → (𝑆 ≤ 0 ↔ 𝑆 = 0)) | |
38 | 36, 37 | syl 14 | . 2 ⊢ ((𝑃 ∈ (ℤ≥‘2) ∧ 𝑁 = 1) → (𝑆 ≤ 0 ↔ 𝑆 = 0)) |
39 | 34, 38 | mpbid 146 | 1 ⊢ ((𝑃 ∈ (ℤ≥‘2) ∧ 𝑁 = 1) → 𝑆 = 0) |
Colors of variables: wff set class |
Syntax hints: → wi 4 ∧ wa 103 ↔ wb 104 = wceq 1343 ∈ wcel 2136 ≠ wne 2335 {crab 2447 class class class wbr 3981 ‘cfv 5187 (class class class)co 5841 supcsup 6943 ℝcr 7748 0cc0 7749 1c1 7750 < clt 7929 ≤ cle 7930 ℕcn 8853 2c2 8904 ℕ0cn0 9110 ℤcz 9187 ℤ≥cuz 9462 ↑cexp 10450 ∥ cdvds 11723 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 105 ax-ia2 106 ax-ia3 107 ax-in1 604 ax-in2 605 ax-io 699 ax-5 1435 ax-7 1436 ax-gen 1437 ax-ie1 1481 ax-ie2 1482 ax-8 1492 ax-10 1493 ax-11 1494 ax-i12 1495 ax-bndl 1497 ax-4 1498 ax-17 1514 ax-i9 1518 ax-ial 1522 ax-i5r 1523 ax-13 2138 ax-14 2139 ax-ext 2147 ax-coll 4096 ax-sep 4099 ax-nul 4107 ax-pow 4152 ax-pr 4186 ax-un 4410 ax-setind 4513 ax-iinf 4564 ax-cnex 7840 ax-resscn 7841 ax-1cn 7842 ax-1re 7843 ax-icn 7844 ax-addcl 7845 ax-addrcl 7846 ax-mulcl 7847 ax-mulrcl 7848 ax-addcom 7849 ax-mulcom 7850 ax-addass 7851 ax-mulass 7852 ax-distr 7853 ax-i2m1 7854 ax-0lt1 7855 ax-1rid 7856 ax-0id 7857 ax-rnegex 7858 ax-precex 7859 ax-cnre 7860 ax-pre-ltirr 7861 ax-pre-ltwlin 7862 ax-pre-lttrn 7863 ax-pre-apti 7864 ax-pre-ltadd 7865 ax-pre-mulgt0 7866 ax-pre-mulext 7867 ax-arch 7868 ax-caucvg 7869 |
This theorem depends on definitions: df-bi 116 df-dc 825 df-3or 969 df-3an 970 df-tru 1346 df-fal 1349 df-nf 1449 df-sb 1751 df-eu 2017 df-mo 2018 df-clab 2152 df-cleq 2158 df-clel 2161 df-nfc 2296 df-ne 2336 df-nel 2431 df-ral 2448 df-rex 2449 df-reu 2450 df-rmo 2451 df-rab 2452 df-v 2727 df-sbc 2951 df-csb 3045 df-dif 3117 df-un 3119 df-in 3121 df-ss 3128 df-nul 3409 df-if 3520 df-pw 3560 df-sn 3581 df-pr 3582 df-op 3584 df-uni 3789 df-int 3824 df-iun 3867 df-br 3982 df-opab 4043 df-mpt 4044 df-tr 4080 df-id 4270 df-po 4273 df-iso 4274 df-iord 4343 df-on 4345 df-ilim 4346 df-suc 4348 df-iom 4567 df-xp 4609 df-rel 4610 df-cnv 4611 df-co 4612 df-dm 4613 df-rn 4614 df-res 4615 df-ima 4616 df-iota 5152 df-fun 5189 df-fn 5190 df-f 5191 df-f1 5192 df-fo 5193 df-f1o 5194 df-fv 5195 df-isom 5196 df-riota 5797 df-ov 5844 df-oprab 5845 df-mpo 5846 df-1st 6105 df-2nd 6106 df-recs 6269 df-frec 6355 df-sup 6945 df-inf 6946 df-pnf 7931 df-mnf 7932 df-xr 7933 df-ltxr 7934 df-le 7935 df-sub 8067 df-neg 8068 df-reap 8469 df-ap 8476 df-div 8565 df-inn 8854 df-2 8912 df-3 8913 df-4 8914 df-n0 9111 df-z 9188 df-uz 9463 df-q 9554 df-rp 9586 df-fz 9941 df-fzo 10074 df-fl 10201 df-mod 10254 df-seqfrec 10377 df-exp 10451 df-cj 10780 df-re 10781 df-im 10782 df-rsqrt 10936 df-abs 10937 df-dvds 11724 |
This theorem is referenced by: pczpre 12225 pc1 12233 |
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