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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 9939 | . . . . . 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 9859 | . . . . . . . 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 10912 | . . . . . . 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 12491 | . . . . . 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 941 | . . . 4 ⊢ ((((𝑃 ∈ (ℤ≥‘2) ∧ (𝑁 ∈ ℤ ∧ 𝑁 ≠ 0)) ∧ 𝑥 ∈ ℤ) ∧ 𝑥 ∈ ℕ0) → DECID (𝑥 ∈ ℕ0 ∧ (𝑃↑𝑥) ∥ 𝑁)) |
| 12 | oveq2 6057 | . . . . . . 7 ⊢ (𝑛 = 𝑥 → (𝑃↑𝑛) = (𝑃↑𝑥)) | |
| 13 | 12 | breq1d 4118 | . . . . . 6 ⊢ (𝑛 = 𝑥 → ((𝑃↑𝑛) ∥ 𝑁 ↔ (𝑃↑𝑥) ∥ 𝑁)) |
| 14 | pclem.1 | . . . . . 6 ⊢ 𝐴 = {𝑛 ∈ ℕ0 ∣ (𝑃↑𝑛) ∥ 𝑁} | |
| 15 | 13, 14 | elrab2 2975 | . . . . 5 ⊢ (𝑥 ∈ 𝐴 ↔ (𝑥 ∈ ℕ0 ∧ (𝑃↑𝑥) ∥ 𝑁)) |
| 16 | 15 | dcbii 848 | . . . 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 940 | . . . . . 6 ⊢ ((((𝑃 ∈ (ℤ≥‘2) ∧ (𝑁 ∈ ℤ ∧ 𝑁 ≠ 0)) ∧ 𝑥 ∈ ℤ) ∧ ¬ 𝑥 ∈ ℕ0) → ¬ (𝑥 ∈ ℕ0 ∧ (𝑃↑𝑥) ∥ 𝑁)) |
| 20 | 19 | olcd 742 | . . . . 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 843 | . . . . 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 844 | . . . . 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 806 | . 2 ⊢ (((𝑃 ∈ (ℤ≥‘2) ∧ (𝑁 ∈ ℤ ∧ 𝑁 ≠ 0)) ∧ 𝑥 ∈ ℤ) → DECID 𝑥 ∈ 𝐴) |
| 28 | 27 | ralrimiva 2615 | 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 716 DECID wdc 842 = wceq 1398 ∈ wcel 2203 ≠ wne 2412 ∀wral 2520 {crab 2524 class class class wbr 4108 ‘cfv 5351 (class class class)co 6049 0cc0 8123 2c2 9284 ℕ0cn0 9492 ℤcz 9573 ℤ≥cuz 9849 ↑cexp 10896 ∥ cdvds 12466 |
| 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 717 ax-5 1496 ax-7 1497 ax-gen 1498 ax-ie1 1542 ax-ie2 1543 ax-8 1553 ax-10 1554 ax-11 1555 ax-i12 1556 ax-bndl 1558 ax-4 1559 ax-17 1575 ax-i9 1579 ax-ial 1583 ax-i5r 1584 ax-13 2205 ax-14 2206 ax-ext 2214 ax-coll 4224 ax-sep 4227 ax-nul 4235 ax-pow 4286 ax-pr 4321 ax-un 4553 ax-setind 4658 ax-iinf 4709 ax-cnex 8214 ax-resscn 8215 ax-1cn 8216 ax-1re 8217 ax-icn 8218 ax-addcl 8219 ax-addrcl 8220 ax-mulcl 8221 ax-mulrcl 8222 ax-addcom 8223 ax-mulcom 8224 ax-addass 8225 ax-mulass 8226 ax-distr 8227 ax-i2m1 8228 ax-0lt1 8229 ax-1rid 8230 ax-0id 8231 ax-rnegex 8232 ax-precex 8233 ax-cnre 8234 ax-pre-ltirr 8235 ax-pre-ltwlin 8236 ax-pre-lttrn 8237 ax-pre-apti 8238 ax-pre-ltadd 8239 ax-pre-mulgt0 8240 ax-pre-mulext 8241 ax-arch 8242 |
| This theorem depends on definitions: df-bi 117 df-dc 843 df-3or 1006 df-3an 1007 df-tru 1401 df-fal 1404 df-nf 1510 df-sb 1812 df-eu 2083 df-mo 2084 df-clab 2219 df-cleq 2225 df-clel 2228 df-nfc 2373 df-ne 2413 df-nel 2508 df-ral 2525 df-rex 2526 df-reu 2527 df-rmo 2528 df-rab 2529 df-v 2814 df-sbc 3042 df-csb 3138 df-dif 3212 df-un 3214 df-in 3216 df-ss 3223 df-nul 3508 df-if 3620 df-pw 3670 df-sn 3694 df-pr 3695 df-op 3697 df-uni 3914 df-int 3949 df-iun 3992 df-br 4109 df-opab 4171 df-mpt 4172 df-tr 4208 df-id 4413 df-po 4416 df-iso 4417 df-iord 4486 df-on 4488 df-ilim 4489 df-suc 4491 df-iom 4712 df-xp 4754 df-rel 4755 df-cnv 4756 df-co 4757 df-dm 4758 df-rn 4759 df-res 4760 df-ima 4761 df-iota 5311 df-fun 5353 df-fn 5354 df-f 5355 df-f1 5356 df-fo 5357 df-f1o 5358 df-fv 5359 df-riota 6002 df-ov 6052 df-oprab 6053 df-mpo 6054 df-1st 6333 df-2nd 6334 df-recs 6535 df-frec 6621 df-pnf 8306 df-mnf 8307 df-xr 8308 df-ltxr 8309 df-le 8310 df-sub 8442 df-neg 8443 df-reap 8845 df-ap 8852 df-div 8943 df-inn 9234 df-n0 9493 df-z 9574 df-uz 9850 df-q 9948 df-rp 9983 df-fl 10626 df-mod 10681 df-seqfrec 10806 df-exp 10897 df-dvds 12467 |
| This theorem is referenced by: pcprecl 12980 pcprendvds 12981 pcpremul 12984 |
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