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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 7420 | . . . . . 6 ⊢ (𝑛 = 𝑁 → (𝑛↑(𝑥 − 1)) = (𝑁↑(𝑥 − 1))) | |
| 2 | 1 | oveq1d 7428 | . . . . 5 ⊢ (𝑛 = 𝑁 → ((𝑛↑(𝑥 − 1)) − 1) = ((𝑁↑(𝑥 − 1)) − 1)) |
| 3 | 2 | breq2d 5115 | . . . 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 3419 | . 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 48641 | . 2 ⊢ FPPr = (𝑛 ∈ ℕ ↦ {𝑥 ∈ (ℤ≥‘4) ∣ (𝑥 ∉ ℙ ∧ 𝑥 ∥ ((𝑛↑(𝑥 − 1)) − 1))}) | |
| 7 | fvex 6891 | . . 3 ⊢ (ℤ≥‘4) ∈ V | |
| 8 | 7 | rabex 5303 | . 2 ⊢ {𝑥 ∈ (ℤ≥‘4) ∣ (𝑥 ∉ ℙ ∧ 𝑥 ∥ ((𝑁↑(𝑥 − 1)) − 1))} ∈ V |
| 9 | 5, 6, 8 | fvmpt 6986 | 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 2145 ∉ wnel 3061 {crab 3412 class class class wbr 5103 ‘cfv 6533 (class class class)co 7413 1c1 11125 − cmin 11465 ℕcn 12257 4c4 12321 ℤ≥cuz 12887 ↑cexp 14125 ∥ cdvds 16342 ℙcprime 16761 FPPr cfppr 48640 |
| 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 1943 ax-6 2000 ax-7 2041 ax-8 2147 ax-9 2155 ax-10 2178 ax-11 2194 ax-12 2213 ax-ext 2732 ax-sep 5251 ax-nul 5263 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 2100 df-mo 2564 df-eu 2594 df-clab 2739 df-cleq 2752 df-clel 2835 df-nfc 2909 df-ne 2956 df-ral 3077 df-rex 3087 df-rab 3413 df-v 3452 df-dif 3902 df-un 3904 df-in 3906 df-ss 3916 df-nul 4280 df-if 4483 df-pw 4559 df-sn 4585 df-pr 4587 df-op 4591 df-uni 4868 df-br 5104 df-opab 5168 df-mpt 5187 df-id 5550 df-xp 5661 df-rel 5662 df-cnv 5663 df-co 5664 df-dm 5665 df-iota 6489 df-fun 6535 df-fv 6541 df-ov 7416 df-fppr 48641 |
| This theorem is used by: fpprmod 48643 |
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