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| Mirrors > Home > MPE Home > Th. List > zringlpir | Structured version Visualization version GIF version | ||
| Description: The integers are a principal ideal ring. (Contributed by Stefan O'Rear, 3-Jan-2015.) (Revised by AV, 9-Jun-2019.) (Proof shortened by AV, 27-Sep-2020.) |
| Ref | Expression |
|---|---|
| zringlpir | ⊢ ℤring ∈ LPIR |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | zringring 21424 | . 2 ⊢ ℤring ∈ Ring | |
| 2 | eleq1 2827 | . . . 4 ⊢ (𝑥 = {0} → (𝑥 ∈ (LPIdeal‘ℤring) ↔ {0} ∈ (LPIdeal‘ℤring))) | |
| 3 | simpl 483 | . . . . . . 7 ⊢ ((𝑥 ∈ (LIdeal‘ℤring) ∧ 𝑥 ≠ {0}) → 𝑥 ∈ (LIdeal‘ℤring)) | |
| 4 | simpr 485 | . . . . . . 7 ⊢ ((𝑥 ∈ (LIdeal‘ℤring) ∧ 𝑥 ≠ {0}) → 𝑥 ≠ {0}) | |
| 5 | eqid 2739 | . . . . . . 7 ⊢ inf((𝑥 ∩ ℕ), ℝ, < ) = inf((𝑥 ∩ ℕ), ℝ, < ) | |
| 6 | 3, 4, 5 | zringlpirlem2 21438 | . . . . . 6 ⊢ ((𝑥 ∈ (LIdeal‘ℤring) ∧ 𝑥 ≠ {0}) → inf((𝑥 ∩ ℕ), ℝ, < ) ∈ 𝑥) |
| 7 | simpll 772 | . . . . . . . 8 ⊢ (((𝑥 ∈ (LIdeal‘ℤring) ∧ 𝑥 ≠ {0}) ∧ 𝑧 ∈ 𝑥) → 𝑥 ∈ (LIdeal‘ℤring)) | |
| 8 | simplr 774 | . . . . . . . 8 ⊢ (((𝑥 ∈ (LIdeal‘ℤring) ∧ 𝑥 ≠ {0}) ∧ 𝑧 ∈ 𝑥) → 𝑥 ≠ {0}) | |
| 9 | simpr 485 | . . . . . . . 8 ⊢ (((𝑥 ∈ (LIdeal‘ℤring) ∧ 𝑥 ≠ {0}) ∧ 𝑧 ∈ 𝑥) → 𝑧 ∈ 𝑥) | |
| 10 | 7, 8, 5, 9 | zringlpirlem3 21439 | . . . . . . 7 ⊢ (((𝑥 ∈ (LIdeal‘ℤring) ∧ 𝑥 ≠ {0}) ∧ 𝑧 ∈ 𝑥) → inf((𝑥 ∩ ℕ), ℝ, < ) ∥ 𝑧) |
| 11 | 10 | ralrimiva 3131 | . . . . . 6 ⊢ ((𝑥 ∈ (LIdeal‘ℤring) ∧ 𝑥 ≠ {0}) → ∀𝑧 ∈ 𝑥 inf((𝑥 ∩ ℕ), ℝ, < ) ∥ 𝑧) |
| 12 | breq1 5075 | . . . . . . . 8 ⊢ (𝑦 = inf((𝑥 ∩ ℕ), ℝ, < ) → (𝑦 ∥ 𝑧 ↔ inf((𝑥 ∩ ℕ), ℝ, < ) ∥ 𝑧)) | |
| 13 | 12 | ralbidv 3162 | . . . . . . 7 ⊢ (𝑦 = inf((𝑥 ∩ ℕ), ℝ, < ) → (∀𝑧 ∈ 𝑥 𝑦 ∥ 𝑧 ↔ ∀𝑧 ∈ 𝑥 inf((𝑥 ∩ ℕ), ℝ, < ) ∥ 𝑧)) |
| 14 | 13 | rspcev 3560 | . . . . . 6 ⊢ ((inf((𝑥 ∩ ℕ), ℝ, < ) ∈ 𝑥 ∧ ∀𝑧 ∈ 𝑥 inf((𝑥 ∩ ℕ), ℝ, < ) ∥ 𝑧) → ∃𝑦 ∈ 𝑥 ∀𝑧 ∈ 𝑥 𝑦 ∥ 𝑧) |
| 15 | 6, 11, 14 | syl2anc 590 | . . . . 5 ⊢ ((𝑥 ∈ (LIdeal‘ℤring) ∧ 𝑥 ≠ {0}) → ∃𝑦 ∈ 𝑥 ∀𝑧 ∈ 𝑥 𝑦 ∥ 𝑧) |
| 16 | eqid 2739 | . . . . . . . 8 ⊢ (LIdeal‘ℤring) = (LIdeal‘ℤring) | |
| 17 | eqid 2739 | . . . . . . . 8 ⊢ (LPIdeal‘ℤring) = (LPIdeal‘ℤring) | |
| 18 | dvdsrzring 21436 | . . . . . . . 8 ⊢ ∥ = (∥r‘ℤring) | |
| 19 | 16, 17, 18 | lpigen 21328 | . . . . . . 7 ⊢ ((ℤring ∈ Ring ∧ 𝑥 ∈ (LIdeal‘ℤring)) → (𝑥 ∈ (LPIdeal‘ℤring) ↔ ∃𝑦 ∈ 𝑥 ∀𝑧 ∈ 𝑥 𝑦 ∥ 𝑧)) |
| 20 | 1, 19 | mpan 696 | . . . . . 6 ⊢ (𝑥 ∈ (LIdeal‘ℤring) → (𝑥 ∈ (LPIdeal‘ℤring) ↔ ∃𝑦 ∈ 𝑥 ∀𝑧 ∈ 𝑥 𝑦 ∥ 𝑧)) |
| 21 | 20 | adantr 481 | . . . . 5 ⊢ ((𝑥 ∈ (LIdeal‘ℤring) ∧ 𝑥 ≠ {0}) → (𝑥 ∈ (LPIdeal‘ℤring) ↔ ∃𝑦 ∈ 𝑥 ∀𝑧 ∈ 𝑥 𝑦 ∥ 𝑧)) |
| 22 | 15, 21 | mpbird 258 | . . . 4 ⊢ ((𝑥 ∈ (LIdeal‘ℤring) ∧ 𝑥 ≠ {0}) → 𝑥 ∈ (LPIdeal‘ℤring)) |
| 23 | zring0 21433 | . . . . . 6 ⊢ 0 = (0g‘ℤring) | |
| 24 | 17, 23 | lpi0 21319 | . . . . 5 ⊢ (ℤring ∈ Ring → {0} ∈ (LPIdeal‘ℤring)) |
| 25 | 1, 24 | mp1i 13 | . . . 4 ⊢ (𝑥 ∈ (LIdeal‘ℤring) → {0} ∈ (LPIdeal‘ℤring)) |
| 26 | 2, 22, 25 | pm2.61ne 3019 | . . 3 ⊢ (𝑥 ∈ (LIdeal‘ℤring) → 𝑥 ∈ (LPIdeal‘ℤring)) |
| 27 | 26 | ssriv 3919 | . 2 ⊢ (LIdeal‘ℤring) ⊆ (LPIdeal‘ℤring) |
| 28 | 17, 16 | islpir2 21323 | . 2 ⊢ (ℤring ∈ LPIR ↔ (ℤring ∈ Ring ∧ (LIdeal‘ℤring) ⊆ (LPIdeal‘ℤring))) |
| 29 | 1, 27, 28 | mpbir2an 717 | 1 ⊢ ℤring ∈ LPIR |
| Colors of variables: wff setvar class |
| Syntax hints: ↔ wb 207 ∧ wa 396 = wceq 1547 ∈ wcel 2119 ≠ wne 2934 ∀wral 3053 ∃wrex 3063 ∩ cin 3882 ⊆ wss 3883 {csn 4555 class class class wbr 5072 ‘cfv 6485 infcinf 9344 ℝcr 11028 0cc0 11029 < clt 11170 ℕcn 12165 ∥ cdvds 16212 Ringcrg 20205 LIdealclidl 21199 LPIdealclpidl 21313 LPIRclpir 21314 ℤringczring 21421 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1802 ax-4 1816 ax-5 1917 ax-6 1974 ax-7 2015 ax-8 2121 ax-9 2129 ax-10 2152 ax-11 2168 ax-12 2189 ax-ext 2711 ax-rep 5199 ax-sep 5218 ax-nul 5228 ax-pow 5294 ax-pr 5362 ax-un 7678 ax-cnex 11085 ax-resscn 11086 ax-1cn 11087 ax-icn 11088 ax-addcl 11089 ax-addrcl 11090 ax-mulcl 11091 ax-mulrcl 11092 ax-mulcom 11093 ax-addass 11094 ax-mulass 11095 ax-distr 11096 ax-i2m1 11097 ax-1ne0 11098 ax-1rid 11099 ax-rnegex 11100 ax-rrecex 11101 ax-cnre 11102 ax-pre-lttri 11103 ax-pre-lttrn 11104 ax-pre-ltadd 11105 ax-pre-mulgt0 11106 ax-pre-sup 11107 ax-addf 11108 ax-mulf 11109 |
| This theorem depends on definitions: df-bi 208 df-an 397 df-or 854 df-3or 1093 df-3an 1094 df-tru 1550 df-fal 1560 df-ex 1787 df-nf 1791 df-sb 2074 df-mo 2543 df-eu 2573 df-clab 2718 df-cleq 2731 df-clel 2814 df-nfc 2888 df-ne 2935 df-nel 3039 df-ral 3054 df-rex 3064 df-rmo 3344 df-reu 3345 df-rab 3392 df-v 3433 df-sbc 3724 df-csb 3832 df-dif 3886 df-un 3888 df-in 3890 df-ss 3900 df-pss 3903 df-nul 4262 df-if 4455 df-pw 4531 df-sn 4556 df-pr 4558 df-tp 4560 df-op 4562 df-uni 4839 df-int 4878 df-iun 4923 df-br 5073 df-opab 5135 df-mpt 5154 df-tr 5180 df-id 5513 df-eprel 5518 df-po 5526 df-so 5527 df-fr 5571 df-we 5573 df-xp 5624 df-rel 5625 df-cnv 5626 df-co 5627 df-dm 5628 df-rn 5629 df-res 5630 df-ima 5631 df-pred 6252 df-ord 6313 df-on 6314 df-lim 6315 df-suc 6316 df-iota 6441 df-fun 6487 df-fn 6488 df-f 6489 df-f1 6490 df-fo 6491 df-f1o 6492 df-fv 6493 df-riota 7313 df-ov 7359 df-oprab 7360 df-mpo 7361 df-om 7807 df-1st 7931 df-2nd 7932 df-frecs 8221 df-wrecs 8252 df-recs 8301 df-rdg 8339 df-1o 8395 df-er 8633 df-en 8884 df-dom 8885 df-sdom 8886 df-fin 8887 df-sup 9345 df-inf 9346 df-pnf 11172 df-mnf 11173 df-xr 11174 df-ltxr 11175 df-le 11176 df-sub 11370 df-neg 11371 df-div 11799 df-nn 12166 df-2 12235 df-3 12236 df-4 12237 df-5 12238 df-6 12239 df-7 12240 df-8 12241 df-9 12242 df-n0 12429 df-z 12516 df-dec 12636 df-uz 12780 df-rp 12934 df-fz 13453 df-fl 13742 df-mod 13820 df-seq 13955 df-exp 14015 df-cj 15052 df-re 15053 df-im 15054 df-sqrt 15188 df-abs 15189 df-dvds 16213 df-struct 17108 df-sets 17125 df-slot 17143 df-ndx 17155 df-base 17171 df-ress 17192 df-plusg 17224 df-mulr 17225 df-starv 17226 df-sca 17227 df-vsca 17228 df-ip 17229 df-tset 17230 df-ple 17231 df-ds 17233 df-unif 17234 df-0g 17395 df-mgm 18599 df-sgrp 18678 df-mnd 18694 df-grp 18903 df-minusg 18904 df-sbg 18905 df-subg 19090 df-cmn 19748 df-abl 19749 df-mgp 20113 df-rng 20125 df-ur 20154 df-ring 20207 df-cring 20208 df-dvdsr 20328 df-subrng 20518 df-subrg 20542 df-lmod 20852 df-lss 20922 df-lsp 20962 df-sra 21163 df-rgmod 21164 df-lidl 21201 df-rsp 21202 df-lpidl 21315 df-lpir 21316 df-cnfld 21348 df-zring 21422 |
| This theorem is referenced by: zringpid 33635 |
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