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| Mirrors > Home > ILE Home > Th. List > pclemdc | GIF version | ||
| Description: Lemma for the prime power pre-function's properties. (Contributed by Jim Kingdon, 8-Oct-2024.) |
| Ref | Expression |
|---|---|
| pclem.1 | ⊢ 𝐴 = {𝑛 ∈ ℕ0 ∣ (𝑃↑𝑛) ∥ 𝑁} |
| Ref | Expression |
|---|---|
| pclemdc | ⊢ ((𝑃 ∈ (ℤ≥‘2) ∧ (𝑁 ∈ ℤ ∧ 𝑁 ≠ 0)) → ∀𝑥 ∈ ℤ DECID 𝑥 ∈ 𝐴) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | elnn0dc 9845 | . . . . . 6 ⊢ (𝑥 ∈ ℤ → DECID 𝑥 ∈ ℕ0) | |
| 2 | 1 | ad2antlr 489 | . . . . 5 ⊢ ((((𝑃 ∈ (ℤ≥‘2) ∧ (𝑁 ∈ ℤ ∧ 𝑁 ≠ 0)) ∧ 𝑥 ∈ ℤ) ∧ 𝑥 ∈ ℕ0) → DECID 𝑥 ∈ ℕ0) |
| 3 | eluzelz 9765 | . . . . . . . 8 ⊢ (𝑃 ∈ (ℤ≥‘2) → 𝑃 ∈ ℤ) | |
| 4 | 3 | ad3antrrr 492 | . . . . . . 7 ⊢ ((((𝑃 ∈ (ℤ≥‘2) ∧ (𝑁 ∈ ℤ ∧ 𝑁 ≠ 0)) ∧ 𝑥 ∈ ℤ) ∧ 𝑥 ∈ ℕ0) → 𝑃 ∈ ℤ) |
| 5 | zexpcl 10817 | . . . . . . 7 ⊢ ((𝑃 ∈ ℤ ∧ 𝑥 ∈ ℕ0) → (𝑃↑𝑥) ∈ ℤ) | |
| 6 | 4, 5 | sylancom 420 | . . . . . 6 ⊢ ((((𝑃 ∈ (ℤ≥‘2) ∧ (𝑁 ∈ ℤ ∧ 𝑁 ≠ 0)) ∧ 𝑥 ∈ ℤ) ∧ 𝑥 ∈ ℕ0) → (𝑃↑𝑥) ∈ ℤ) |
| 7 | simprl 531 | . . . . . . 7 ⊢ ((𝑃 ∈ (ℤ≥‘2) ∧ (𝑁 ∈ ℤ ∧ 𝑁 ≠ 0)) → 𝑁 ∈ ℤ) | |
| 8 | 7 | ad2antrr 488 | . . . . . 6 ⊢ ((((𝑃 ∈ (ℤ≥‘2) ∧ (𝑁 ∈ ℤ ∧ 𝑁 ≠ 0)) ∧ 𝑥 ∈ ℤ) ∧ 𝑥 ∈ ℕ0) → 𝑁 ∈ ℤ) |
| 9 | zdvdsdc 12375 | . . . . . 6 ⊢ (((𝑃↑𝑥) ∈ ℤ ∧ 𝑁 ∈ ℤ) → DECID (𝑃↑𝑥) ∥ 𝑁) | |
| 10 | 6, 8, 9 | syl2anc 411 | . . . . 5 ⊢ ((((𝑃 ∈ (ℤ≥‘2) ∧ (𝑁 ∈ ℤ ∧ 𝑁 ≠ 0)) ∧ 𝑥 ∈ ℤ) ∧ 𝑥 ∈ ℕ0) → DECID (𝑃↑𝑥) ∥ 𝑁) |
| 11 | 2, 10 | dcand 940 | . . . 4 ⊢ ((((𝑃 ∈ (ℤ≥‘2) ∧ (𝑁 ∈ ℤ ∧ 𝑁 ≠ 0)) ∧ 𝑥 ∈ ℤ) ∧ 𝑥 ∈ ℕ0) → DECID (𝑥 ∈ ℕ0 ∧ (𝑃↑𝑥) ∥ 𝑁)) |
| 12 | oveq2 6026 | . . . . . . 7 ⊢ (𝑛 = 𝑥 → (𝑃↑𝑛) = (𝑃↑𝑥)) | |
| 13 | 12 | breq1d 4098 | . . . . . 6 ⊢ (𝑛 = 𝑥 → ((𝑃↑𝑛) ∥ 𝑁 ↔ (𝑃↑𝑥) ∥ 𝑁)) |
| 14 | pclem.1 | . . . . . 6 ⊢ 𝐴 = {𝑛 ∈ ℕ0 ∣ (𝑃↑𝑛) ∥ 𝑁} | |
| 15 | 13, 14 | elrab2 2965 | . . . . 5 ⊢ (𝑥 ∈ 𝐴 ↔ (𝑥 ∈ ℕ0 ∧ (𝑃↑𝑥) ∥ 𝑁)) |
| 16 | 15 | dcbii 847 | . . . 4 ⊢ (DECID 𝑥 ∈ 𝐴 ↔ DECID (𝑥 ∈ ℕ0 ∧ (𝑃↑𝑥) ∥ 𝑁)) |
| 17 | 11, 16 | sylibr 134 | . . 3 ⊢ ((((𝑃 ∈ (ℤ≥‘2) ∧ (𝑁 ∈ ℤ ∧ 𝑁 ≠ 0)) ∧ 𝑥 ∈ ℤ) ∧ 𝑥 ∈ ℕ0) → DECID 𝑥 ∈ 𝐴) |
| 18 | simpr 110 | . . . . . . 7 ⊢ ((((𝑃 ∈ (ℤ≥‘2) ∧ (𝑁 ∈ ℤ ∧ 𝑁 ≠ 0)) ∧ 𝑥 ∈ ℤ) ∧ ¬ 𝑥 ∈ ℕ0) → ¬ 𝑥 ∈ ℕ0) | |
| 19 | 18 | intnanrd 939 | . . . . . 6 ⊢ ((((𝑃 ∈ (ℤ≥‘2) ∧ (𝑁 ∈ ℤ ∧ 𝑁 ≠ 0)) ∧ 𝑥 ∈ ℤ) ∧ ¬ 𝑥 ∈ ℕ0) → ¬ (𝑥 ∈ ℕ0 ∧ (𝑃↑𝑥) ∥ 𝑁)) |
| 20 | 19 | olcd 741 | . . . . 5 ⊢ ((((𝑃 ∈ (ℤ≥‘2) ∧ (𝑁 ∈ ℤ ∧ 𝑁 ≠ 0)) ∧ 𝑥 ∈ ℤ) ∧ ¬ 𝑥 ∈ ℕ0) → ((𝑥 ∈ ℕ0 ∧ (𝑃↑𝑥) ∥ 𝑁) ∨ ¬ (𝑥 ∈ ℕ0 ∧ (𝑃↑𝑥) ∥ 𝑁))) |
| 21 | df-dc 842 | . . . . 5 ⊢ (DECID (𝑥 ∈ ℕ0 ∧ (𝑃↑𝑥) ∥ 𝑁) ↔ ((𝑥 ∈ ℕ0 ∧ (𝑃↑𝑥) ∥ 𝑁) ∨ ¬ (𝑥 ∈ ℕ0 ∧ (𝑃↑𝑥) ∥ 𝑁))) | |
| 22 | 20, 21 | sylibr 134 | . . . 4 ⊢ ((((𝑃 ∈ (ℤ≥‘2) ∧ (𝑁 ∈ ℤ ∧ 𝑁 ≠ 0)) ∧ 𝑥 ∈ ℤ) ∧ ¬ 𝑥 ∈ ℕ0) → DECID (𝑥 ∈ ℕ0 ∧ (𝑃↑𝑥) ∥ 𝑁)) |
| 23 | 22, 16 | sylibr 134 | . . 3 ⊢ ((((𝑃 ∈ (ℤ≥‘2) ∧ (𝑁 ∈ ℤ ∧ 𝑁 ≠ 0)) ∧ 𝑥 ∈ ℤ) ∧ ¬ 𝑥 ∈ ℕ0) → DECID 𝑥 ∈ 𝐴) |
| 24 | exmiddc 843 | . . . . 5 ⊢ (DECID 𝑥 ∈ ℕ0 → (𝑥 ∈ ℕ0 ∨ ¬ 𝑥 ∈ ℕ0)) | |
| 25 | 1, 24 | syl 14 | . . . 4 ⊢ (𝑥 ∈ ℤ → (𝑥 ∈ ℕ0 ∨ ¬ 𝑥 ∈ ℕ0)) |
| 26 | 25 | adantl 277 | . . 3 ⊢ (((𝑃 ∈ (ℤ≥‘2) ∧ (𝑁 ∈ ℤ ∧ 𝑁 ≠ 0)) ∧ 𝑥 ∈ ℤ) → (𝑥 ∈ ℕ0 ∨ ¬ 𝑥 ∈ ℕ0)) |
| 27 | 17, 23, 26 | mpjaodan 805 | . 2 ⊢ (((𝑃 ∈ (ℤ≥‘2) ∧ (𝑁 ∈ ℤ ∧ 𝑁 ≠ 0)) ∧ 𝑥 ∈ ℤ) → DECID 𝑥 ∈ 𝐴) |
| 28 | 27 | ralrimiva 2605 | 1 ⊢ ((𝑃 ∈ (ℤ≥‘2) ∧ (𝑁 ∈ ℤ ∧ 𝑁 ≠ 0)) → ∀𝑥 ∈ ℤ DECID 𝑥 ∈ 𝐴) |
| Colors of variables: wff set class |
| Syntax hints: ¬ wn 3 → wi 4 ∧ wa 104 ∨ wo 715 DECID wdc 841 = wceq 1397 ∈ wcel 2202 ≠ wne 2402 ∀wral 2510 {crab 2514 class class class wbr 4088 ‘cfv 5326 (class class class)co 6018 0cc0 8032 2c2 9194 ℕ0cn0 9402 ℤcz 9479 ℤ≥cuz 9755 ↑cexp 10801 ∥ cdvds 12350 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-in1 619 ax-in2 620 ax-io 716 ax-5 1495 ax-7 1496 ax-gen 1497 ax-ie1 1541 ax-ie2 1542 ax-8 1552 ax-10 1553 ax-11 1554 ax-i12 1555 ax-bndl 1557 ax-4 1558 ax-17 1574 ax-i9 1578 ax-ial 1582 ax-i5r 1583 ax-13 2204 ax-14 2205 ax-ext 2213 ax-coll 4204 ax-sep 4207 ax-nul 4215 ax-pow 4264 ax-pr 4299 ax-un 4530 ax-setind 4635 ax-iinf 4686 ax-cnex 8123 ax-resscn 8124 ax-1cn 8125 ax-1re 8126 ax-icn 8127 ax-addcl 8128 ax-addrcl 8129 ax-mulcl 8130 ax-mulrcl 8131 ax-addcom 8132 ax-mulcom 8133 ax-addass 8134 ax-mulass 8135 ax-distr 8136 ax-i2m1 8137 ax-0lt1 8138 ax-1rid 8139 ax-0id 8140 ax-rnegex 8141 ax-precex 8142 ax-cnre 8143 ax-pre-ltirr 8144 ax-pre-ltwlin 8145 ax-pre-lttrn 8146 ax-pre-apti 8147 ax-pre-ltadd 8148 ax-pre-mulgt0 8149 ax-pre-mulext 8150 ax-arch 8151 |
| This theorem depends on definitions: df-bi 117 df-dc 842 df-3or 1005 df-3an 1006 df-tru 1400 df-fal 1403 df-nf 1509 df-sb 1811 df-eu 2082 df-mo 2083 df-clab 2218 df-cleq 2224 df-clel 2227 df-nfc 2363 df-ne 2403 df-nel 2498 df-ral 2515 df-rex 2516 df-reu 2517 df-rmo 2518 df-rab 2519 df-v 2804 df-sbc 3032 df-csb 3128 df-dif 3202 df-un 3204 df-in 3206 df-ss 3213 df-nul 3495 df-if 3606 df-pw 3654 df-sn 3675 df-pr 3676 df-op 3678 df-uni 3894 df-int 3929 df-iun 3972 df-br 4089 df-opab 4151 df-mpt 4152 df-tr 4188 df-id 4390 df-po 4393 df-iso 4394 df-iord 4463 df-on 4465 df-ilim 4466 df-suc 4468 df-iom 4689 df-xp 4731 df-rel 4732 df-cnv 4733 df-co 4734 df-dm 4735 df-rn 4736 df-res 4737 df-ima 4738 df-iota 5286 df-fun 5328 df-fn 5329 df-f 5330 df-f1 5331 df-fo 5332 df-f1o 5333 df-fv 5334 df-riota 5971 df-ov 6021 df-oprab 6022 df-mpo 6023 df-1st 6303 df-2nd 6304 df-recs 6471 df-frec 6557 df-pnf 8216 df-mnf 8217 df-xr 8218 df-ltxr 8219 df-le 8220 df-sub 8352 df-neg 8353 df-reap 8755 df-ap 8762 df-div 8853 df-inn 9144 df-n0 9403 df-z 9480 df-uz 9756 df-q 9854 df-rp 9889 df-fl 10531 df-mod 10586 df-seqfrec 10711 df-exp 10802 df-dvds 12351 |
| This theorem is referenced by: pcprecl 12864 pcprendvds 12865 pcpremul 12868 |
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