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| Mirrors > Home > MPE Home > Th. List > Mathboxes > fppr | Structured version Visualization version GIF version | ||
| Description: The set of Fermat pseudoprimes to the base 𝑁. (Contributed by AV, 29-May-2023.) |
| Ref | Expression |
|---|---|
| fppr | ⊢ (𝑁 ∈ ℕ → ( FPPr ‘𝑁) = {𝑥 ∈ (ℤ≥‘4) ∣ (𝑥 ∉ ℙ ∧ 𝑥 ∥ ((𝑁↑(𝑥 − 1)) − 1))}) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | oveq1 7458 | . . . . . 6 ⊢ (𝑛 = 𝑁 → (𝑛↑(𝑥 − 1)) = (𝑁↑(𝑥 − 1))) | |
| 2 | 1 | oveq1d 7466 | . . . . 5 ⊢ (𝑛 = 𝑁 → ((𝑛↑(𝑥 − 1)) − 1) = ((𝑁↑(𝑥 − 1)) − 1)) |
| 3 | 2 | breq2d 5120 | . . . 4 ⊢ (𝑛 = 𝑁 → (𝑥 ∥ ((𝑛↑(𝑥 − 1)) − 1) ↔ 𝑥 ∥ ((𝑁↑(𝑥 − 1)) − 1))) |
| 4 | 3 | anbi2d 642 | . . 3 ⊢ (𝑛 = 𝑁 → ((𝑥 ∉ ℙ ∧ 𝑥 ∥ ((𝑛↑(𝑥 − 1)) − 1)) ↔ (𝑥 ∉ ℙ ∧ 𝑥 ∥ ((𝑁↑(𝑥 − 1)) − 1)))) |
| 5 | 4 | rabbidv 3423 | . 2 ⊢ (𝑛 = 𝑁 → {𝑥 ∈ (ℤ≥‘4) ∣ (𝑥 ∉ ℙ ∧ 𝑥 ∥ ((𝑛↑(𝑥 − 1)) − 1))} = {𝑥 ∈ (ℤ≥‘4) ∣ (𝑥 ∉ ℙ ∧ 𝑥 ∥ ((𝑁↑(𝑥 − 1)) − 1))}) |
| 6 | df-fppr 49096 | . 2 ⊢ FPPr = (𝑛 ∈ ℕ ↦ {𝑥 ∈ (ℤ≥‘4) ∣ (𝑥 ∉ ℙ ∧ 𝑥 ∥ ((𝑛↑(𝑥 − 1)) − 1))}) | |
| 7 | fvex 6929 | . . 3 ⊢ (ℤ≥‘4) ∈ V | |
| 8 | 7 | rabex 5307 | . 2 ⊢ {𝑥 ∈ (ℤ≥‘4) ∣ (𝑥 ∉ ℙ ∧ 𝑥 ∥ ((𝑁↑(𝑥 − 1)) − 1))} ∈ V |
| 9 | 5, 6, 8 | fvmpt 7024 | 1 ⊢ (𝑁 ∈ ℕ → ( FPPr ‘𝑁) = {𝑥 ∈ (ℤ≥‘4) ∣ (𝑥 ∉ ℙ ∧ 𝑥 ∥ ((𝑁↑(𝑥 − 1)) − 1))}) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∧ wa 401 = wceq 1570 ∈ wcel 2147 ∉ wnel 3065 {crab 3416 class class class wbr 5108 ‘cfv 6566 (class class class)co 7451 1c1 11240 − cmin 11580 ℕcn 12375 4c4 12439 ℤ≥cuz 13005 ↑cexp 14244 ∥ cdvds 16466 ℙcprime 16890 FPPr cfppr 49095 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1945 ax-6 2002 ax-7 2043 ax-8 2149 ax-9 2157 ax-10 2180 ax-11 2197 ax-12 2216 ax-ext 2735 ax-sep 5255 ax-nul 5266 ax-pr 5398 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2102 df-mo 2567 df-eu 2597 df-clab 2742 df-cleq 2755 df-clel 2839 df-nfc 2913 df-ne 2960 df-ral 3081 df-rex 3091 df-rab 3417 df-v 3456 df-ss 3901 df-dif 4050 df-in 4094 df-un 4154 df-nul 4282 df-if 4486 df-pw 4562 df-sn 4589 df-pr 4591 df-op 4841 df-uni 4873 df-br 5109 df-opab 5174 df-mpt 5193 df-id 5553 df-xp 5664 df-rel 5665 df-cnv 5666 df-co 5667 df-dm 5668 df-iota 6520 df-fun 6568 df-fv 6574 df-ov 7454 df-fppr 49096 |
| This theorem is used by: fpprmod 49098 |
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