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| Mirrors > Home > MPE Home > Th. List > Mathboxes > fpprmod | Structured version Visualization version GIF version | ||
| Description: The set of Fermat pseudoprimes to the base 𝑁, expressed by a modulo operation instead of the divisibility relation. (Contributed by AV, 30-May-2023.) |
| Ref | Expression |
|---|---|
| fpprmod | ⊢ (𝑁 ∈ ℕ → ( FPPr ‘𝑁) = {𝑥 ∈ (ℤ≥‘4) ∣ (𝑥 ∉ ℙ ∧ ((𝑁↑(𝑥 − 1)) mod 𝑥) = 1)}) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | fppr 49039 | . 2 ⊢ (𝑁 ∈ ℕ → ( FPPr ‘𝑁) = {𝑥 ∈ (ℤ≥‘4) ∣ (𝑥 ∉ ℙ ∧ 𝑥 ∥ ((𝑁↑(𝑥 − 1)) − 1))}) | |
| 2 | uzuzle24 13042 | . . . . . 6 ⊢ (𝑥 ∈ (ℤ≥‘4) → 𝑥 ∈ (ℤ≥‘2)) | |
| 3 | nnz 12744 | . . . . . . 7 ⊢ (𝑁 ∈ ℕ → 𝑁 ∈ ℤ) | |
| 4 | eluz4nn 13047 | . . . . . . . 8 ⊢ (𝑥 ∈ (ℤ≥‘4) → 𝑥 ∈ ℕ) | |
| 5 | nnm1nn0 12677 | . . . . . . . 8 ⊢ (𝑥 ∈ ℕ → (𝑥 − 1) ∈ ℕ0) | |
| 6 | 4, 5 | syl 18 | . . . . . . 7 ⊢ (𝑥 ∈ (ℤ≥‘4) → (𝑥 − 1) ∈ ℕ0) |
| 7 | zexpcl 14249 | . . . . . . 7 ⊢ ((𝑁 ∈ ℤ ∧ (𝑥 − 1) ∈ ℕ0) → (𝑁↑(𝑥 − 1)) ∈ ℤ) | |
| 8 | 3, 6, 7 | syl2an 608 | . . . . . 6 ⊢ ((𝑁 ∈ ℕ ∧ 𝑥 ∈ (ℤ≥‘4)) → (𝑁↑(𝑥 − 1)) ∈ ℤ) |
| 9 | modm1div 16466 | . . . . . 6 ⊢ ((𝑥 ∈ (ℤ≥‘2) ∧ (𝑁↑(𝑥 − 1)) ∈ ℤ) → (((𝑁↑(𝑥 − 1)) mod 𝑥) = 1 ↔ 𝑥 ∥ ((𝑁↑(𝑥 − 1)) − 1))) | |
| 10 | 2, 8, 9 | syl2an2 699 | . . . . 5 ⊢ ((𝑁 ∈ ℕ ∧ 𝑥 ∈ (ℤ≥‘4)) → (((𝑁↑(𝑥 − 1)) mod 𝑥) = 1 ↔ 𝑥 ∥ ((𝑁↑(𝑥 − 1)) − 1))) |
| 11 | 10 | bicomd 226 | . . . 4 ⊢ ((𝑁 ∈ ℕ ∧ 𝑥 ∈ (ℤ≥‘4)) → (𝑥 ∥ ((𝑁↑(𝑥 − 1)) − 1) ↔ ((𝑁↑(𝑥 − 1)) mod 𝑥) = 1)) |
| 12 | 11 | anbi2d 642 | . . 3 ⊢ ((𝑁 ∈ ℕ ∧ 𝑥 ∈ (ℤ≥‘4)) → ((𝑥 ∉ ℙ ∧ 𝑥 ∥ ((𝑁↑(𝑥 − 1)) − 1)) ↔ (𝑥 ∉ ℙ ∧ ((𝑁↑(𝑥 − 1)) mod 𝑥) = 1))) |
| 13 | 12 | rabbidva 3422 | . 2 ⊢ (𝑁 ∈ ℕ → {𝑥 ∈ (ℤ≥‘4) ∣ (𝑥 ∉ ℙ ∧ 𝑥 ∥ ((𝑁↑(𝑥 − 1)) − 1))} = {𝑥 ∈ (ℤ≥‘4) ∣ (𝑥 ∉ ℙ ∧ ((𝑁↑(𝑥 − 1)) mod 𝑥) = 1)}) |
| 14 | 1, 13 | eqtrd 2798 | 1 ⊢ (𝑁 ∈ ℕ → ( FPPr ‘𝑁) = {𝑥 ∈ (ℤ≥‘4) ∣ (𝑥 ∉ ℙ ∧ ((𝑁↑(𝑥 − 1)) mod 𝑥) = 1)}) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ↔ wb 209 ∧ wa 401 = wceq 1570 ∈ wcel 2147 ∉ wnel 3065 {crab 3416 class class class wbr 5106 ‘cfv 6561 (class class class)co 7446 1c1 11231 − cmin 11571 ℕcn 12365 2c2 12427 4c4 12429 ℕ0cn0 12636 ℤcz 12723 ℤ≥cuz 12995 mod cmo 14039 ↑cexp 14234 ∥ cdvds 16454 ℙcprime 16878 FPPr cfppr 49037 |
| 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 5253 ax-nul 5264 ax-pow 5332 ax-pr 5396 ax-un 7778 ax-cnex 11286 ax-resscn 11287 ax-1cn 11288 ax-icn 11289 ax-addcl 11290 ax-addrcl 11291 ax-mulcl 11292 ax-mulrcl 11293 ax-mulcom 11294 ax-addass 11295 ax-mulass 11296 ax-distr 11297 ax-i2m1 11298 ax-1ne0 11299 ax-1rid 11300 ax-rnegex 11301 ax-rrecex 11302 ax-cnre 11303 ax-pre-lttri 11304 ax-pre-lttrn 11305 ax-pre-ltadd 11306 ax-pre-mulgt0 11307 ax-pre-sup 11308 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 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-nel 3066 df-ral 3081 df-rex 3091 df-rmo 3369 df-reu 3370 df-rab 3417 df-v 3456 df-sbc 3743 df-csb 3852 df-ss 3901 df-pss 4017 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 4839 df-uni 4871 df-iun 4956 df-br 5107 df-opab 5172 df-mpt 5191 df-tr 5217 df-id 5551 df-eprel 5556 df-po 5564 df-so 5565 df-fr 5609 df-we 5611 df-xp 5662 df-rel 5663 df-cnv 5664 df-co 5665 df-dm 5666 df-rn 5667 df-res 5668 df-ima 5669 df-pred 6325 df-ord 6386 df-on 6387 df-lim 6388 df-suc 6389 df-iota 6515 df-fun 6563 df-fn 6564 df-f 6565 df-f1 6566 df-fo 6567 df-f1o 6568 df-fv 6569 df-riota 7403 df-ov 7449 df-oprab 7450 df-mpo 7451 df-om 7905 df-2nd 8029 df-frecs 8330 df-wrecs 8361 df-recs 8410 df-rdg 8449 df-er 8748 df-en 9005 df-dom 9006 df-sdom 9007 df-sup 9464 df-inf 9465 df-pnf 11375 df-mnf 11376 df-xr 11377 df-ltxr 11378 df-le 11379 df-sub 11573 df-neg 11574 df-div 12004 df-nn 12366 df-2 12435 df-3 12436 df-4 12437 df-n0 12637 df-z 12724 df-uz 12996 df-rp 13151 df-fl 13962 df-mod 14040 df-seq 14175 df-exp 14235 df-dvds 16455 df-fppr 49038 |
| This theorem is used by: fpprel 49041 |
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