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| Mirrors > Home > MPE Home > Th. List > Mathboxes > unitmulrprm | Structured version Visualization version GIF version | ||
| Description: A ring unit multiplied by a ring prime is a ring prime. (Contributed by Thierry Arnoux, 3-Jun-2025.) |
| Ref | Expression |
|---|---|
| unitmulrprm.p | ⊢ 𝑃 = (RPrime‘𝑅) |
| unitmulrprm.u | ⊢ 𝑈 = (Unit‘𝑅) |
| unitmulrprm.t | ⊢ · = (.r‘𝑅) |
| unitmulrprm.r | ⊢ (𝜑 → 𝑅 ∈ IDomn) |
| unitmulrprm.i | ⊢ (𝜑 → 𝐼 ∈ 𝑈) |
| unitmulrprm.q | ⊢ (𝜑 → 𝑄 ∈ 𝑃) |
| Ref | Expression |
|---|---|
| unitmulrprm | ⊢ (𝜑 → (𝐼 · 𝑄) ∈ 𝑃) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | eqid 2762 | . 2 ⊢ (Base‘𝑅) = (Base‘𝑅) | |
| 2 | unitmulrprm.p | . 2 ⊢ 𝑃 = (RPrime‘𝑅) | |
| 3 | eqid 2762 | . 2 ⊢ (∥r‘𝑅) = (∥r‘𝑅) | |
| 4 | unitmulrprm.r | . 2 ⊢ (𝜑 → 𝑅 ∈ IDomn) | |
| 5 | unitmulrprm.q | . 2 ⊢ (𝜑 → 𝑄 ∈ 𝑃) | |
| 6 | 1, 2, 4, 5 | rprmcl 33936 | . . 3 ⊢ (𝜑 → 𝑄 ∈ (Base‘𝑅)) |
| 7 | oveq1 7424 | . . . . 5 ⊢ (𝑖 = 𝐼 → (𝑖 · 𝑄) = (𝐼 · 𝑄)) | |
| 8 | 7 | eqeq1d 2764 | . . . 4 ⊢ (𝑖 = 𝐼 → ((𝑖 · 𝑄) = (𝐼 · 𝑄) ↔ (𝐼 · 𝑄) = (𝐼 · 𝑄))) |
| 9 | unitmulrprm.i | . . . . 5 ⊢ (𝜑 → 𝐼 ∈ 𝑈) | |
| 10 | unitmulrprm.u | . . . . . 6 ⊢ 𝑈 = (Unit‘𝑅) | |
| 11 | 1, 10 | unitcl 20522 | . . . . 5 ⊢ (𝐼 ∈ 𝑈 → 𝐼 ∈ (Base‘𝑅)) |
| 12 | 9, 11 | syl 18 | . . . 4 ⊢ (𝜑 → 𝐼 ∈ (Base‘𝑅)) |
| 13 | eqidd 2763 | . . . 4 ⊢ (𝜑 → (𝐼 · 𝑄) = (𝐼 · 𝑄)) | |
| 14 | 8, 12, 13 | rspcedvdw 3582 | . . 3 ⊢ (𝜑 → ∃𝑖 ∈ (Base‘𝑅)(𝑖 · 𝑄) = (𝐼 · 𝑄)) |
| 15 | unitmulrprm.t | . . . 4 ⊢ · = (.r‘𝑅) | |
| 16 | 1, 3, 15 | dvdsr 20509 | . . 3 ⊢ (𝑄(∥r‘𝑅)(𝐼 · 𝑄) ↔ (𝑄 ∈ (Base‘𝑅) ∧ ∃𝑖 ∈ (Base‘𝑅)(𝑖 · 𝑄) = (𝐼 · 𝑄))) |
| 17 | 6, 14, 16 | sylanbrc 595 | . 2 ⊢ (𝜑 → 𝑄(∥r‘𝑅)(𝐼 · 𝑄)) |
| 18 | 4 | idomringd 20895 | . . . 4 ⊢ (𝜑 → 𝑅 ∈ Ring) |
| 19 | 1, 15, 18, 12, 6 | ringcld 20402 | . . 3 ⊢ (𝜑 → (𝐼 · 𝑄) ∈ (Base‘𝑅)) |
| 20 | oveq1 7424 | . . . . 5 ⊢ (𝑖 = ((invr‘𝑅)‘𝐼) → (𝑖 · (𝐼 · 𝑄)) = (((invr‘𝑅)‘𝐼) · (𝐼 · 𝑄))) | |
| 21 | 20 | eqeq1d 2764 | . . . 4 ⊢ (𝑖 = ((invr‘𝑅)‘𝐼) → ((𝑖 · (𝐼 · 𝑄)) = 𝑄 ↔ (((invr‘𝑅)‘𝐼) · (𝐼 · 𝑄)) = 𝑄)) |
| 22 | eqid 2762 | . . . . . 6 ⊢ (invr‘𝑅) = (invr‘𝑅) | |
| 23 | 10, 22, 1 | ringinvcl 20539 | . . . . 5 ⊢ ((𝑅 ∈ Ring ∧ 𝐼 ∈ 𝑈) → ((invr‘𝑅)‘𝐼) ∈ (Base‘𝑅)) |
| 24 | 18, 9, 23 | syl2anc 596 | . . . 4 ⊢ (𝜑 → ((invr‘𝑅)‘𝐼) ∈ (Base‘𝑅)) |
| 25 | eqid 2762 | . . . . . . . 8 ⊢ (1r‘𝑅) = (1r‘𝑅) | |
| 26 | 10, 22, 15, 25 | unitlinv 20540 | . . . . . . 7 ⊢ ((𝑅 ∈ Ring ∧ 𝐼 ∈ 𝑈) → (((invr‘𝑅)‘𝐼) · 𝐼) = (1r‘𝑅)) |
| 27 | 18, 9, 26 | syl2anc 596 | . . . . . 6 ⊢ (𝜑 → (((invr‘𝑅)‘𝐼) · 𝐼) = (1r‘𝑅)) |
| 28 | 27 | oveq1d 7432 | . . . . 5 ⊢ (𝜑 → ((((invr‘𝑅)‘𝐼) · 𝐼) · 𝑄) = ((1r‘𝑅) · 𝑄)) |
| 29 | 1, 15, 18, 24, 12, 6 | ringassd 20403 | . . . . 5 ⊢ (𝜑 → ((((invr‘𝑅)‘𝐼) · 𝐼) · 𝑄) = (((invr‘𝑅)‘𝐼) · (𝐼 · 𝑄))) |
| 30 | 1, 15, 25, 18, 6 | ringlidmd 20419 | . . . . 5 ⊢ (𝜑 → ((1r‘𝑅) · 𝑄) = 𝑄) |
| 31 | 28, 29, 30 | 3eqtr3d 2805 | . . . 4 ⊢ (𝜑 → (((invr‘𝑅)‘𝐼) · (𝐼 · 𝑄)) = 𝑄) |
| 32 | 21, 24, 31 | rspcedvdw 3582 | . . 3 ⊢ (𝜑 → ∃𝑖 ∈ (Base‘𝑅)(𝑖 · (𝐼 · 𝑄)) = 𝑄) |
| 33 | 1, 3, 15 | dvdsr 20509 | . . 3 ⊢ ((𝐼 · 𝑄)(∥r‘𝑅)𝑄 ↔ ((𝐼 · 𝑄) ∈ (Base‘𝑅) ∧ ∃𝑖 ∈ (Base‘𝑅)(𝑖 · (𝐼 · 𝑄)) = 𝑄)) |
| 34 | 19, 32, 33 | sylanbrc 595 | . 2 ⊢ (𝜑 → (𝐼 · 𝑄)(∥r‘𝑅)𝑄) |
| 35 | 1, 2, 3, 4, 5, 17, 34 | rprmasso 33943 | 1 ⊢ (𝜑 → (𝐼 · 𝑄) ∈ 𝑃) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 = wceq 1570 ∈ wcel 2145 ∃wrex 3088 class class class wbr 5107 ‘cfv 6537 (class class class)co 7417 Basecbs 17307 .rcmulr 17349 1rcur 20326 Ringcrg 20378 ∥rcdsr 20501 Unitcui 20502 invrcinvr 20534 RPrimecrpm 20579 IDomncidom 20861 |
| 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 2215 ax-ext 2734 ax-rep 5236 ax-sep 5255 ax-nul 5267 ax-pow 5334 ax-pr 5402 ax-un 7740 ax-cnex 11184 ax-resscn 11185 ax-1cn 11186 ax-icn 11187 ax-addcl 11188 ax-addrcl 11189 ax-mulcl 11190 ax-mulrcl 11191 ax-mulcom 11192 ax-addass 11193 ax-mulass 11194 ax-distr 11195 ax-i2m1 11196 ax-1ne0 11197 ax-1rid 11198 ax-rnegex 11199 ax-rrecex 11200 ax-cnre 11201 ax-pre-lttri 11202 ax-pre-lttrn 11203 ax-pre-ltadd 11204 ax-pre-mulgt0 11205 |
| 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 2100 df-mo 2566 df-eu 2596 df-clab 2741 df-cleq 2754 df-clel 2837 df-nfc 2911 df-ne 2958 df-nel 3064 df-ral 3079 df-rex 3089 df-rmo 3367 df-reu 3368 df-rab 3415 df-v 3455 df-sbc 3743 df-csb 3851 df-dif 3905 df-un 3907 df-in 3909 df-ss 3919 df-pss 3922 df-nul 4283 df-if 4486 df-pw 4562 df-sn 4588 df-pr 4590 df-op 4594 df-uni 4871 df-int 4911 df-iun 4956 df-br 5108 df-opab 5172 df-mpt 5191 df-tr 5217 df-id 5554 df-eprel 5559 df-po 5567 df-so 5568 df-fr 5612 df-we 5614 df-xp 5665 df-rel 5666 df-cnv 5667 df-co 5668 df-dm 5669 df-rn 5670 df-res 5671 df-ima 5672 df-pred 6303 df-ord 6364 df-on 6365 df-lim 6366 df-suc 6367 df-iota 6493 df-fun 6539 df-fn 6540 df-f 6541 df-f1 6542 df-fo 6543 df-f1o 6544 df-fv 6545 df-riota 7374 df-ov 7420 df-oprab 7421 df-mpo 7422 df-om 7867 df-1st 7990 df-2nd 7991 df-tpos 8228 df-frecs 8284 df-wrecs 8315 df-recs 8364 df-rdg 8403 df-er 8700 df-en 8957 df-dom 8958 df-sdom 8959 df-pnf 11273 df-mnf 11274 df-xr 11275 df-ltxr 11276 df-le 11277 df-sub 11471 df-neg 11472 df-nn 12262 df-2 12331 df-3 12332 df-4 12333 df-5 12334 df-6 12335 df-7 12336 df-8 12337 df-sets 17262 df-slot 17280 df-ndx 17292 df-base 17308 df-ress 17329 df-plusg 17361 df-mulr 17362 df-sca 17364 df-vsca 17365 df-ip 17366 df-0g 17532 df-mgm 18736 df-sgrp 18827 df-mnd 18843 df-grp 19066 df-minusg 19067 df-sbg 19068 df-subg 19252 df-cmn 19915 df-abl 19916 df-mgp 20280 df-rng 20294 df-ur 20327 df-ring 20380 df-cring 20381 df-oppr 20484 df-dvdsr 20504 df-unit 20505 df-invr 20535 df-rprm 20580 df-subrg 20738 df-idom 20864 df-lmod 21052 df-lss 21122 df-lsp 21162 df-sra 21363 df-rgmod 21364 df-lidl 21401 df-rsp 21402 df-prmidl 21530 |
| This theorem is used by: 1arithufdlem3 33964 |
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