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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 21397 | . 2 ⊢ ℤring ∈ Ring | |
| 2 | eleq1 2821 | . . . 4 ⊢ (𝑥 = {0} → (𝑥 ∈ (LPIdeal‘ℤring) ↔ {0} ∈ (LPIdeal‘ℤring))) | |
| 3 | simpl 482 | . . . . . . 7 ⊢ ((𝑥 ∈ (LIdeal‘ℤring) ∧ 𝑥 ≠ {0}) → 𝑥 ∈ (LIdeal‘ℤring)) | |
| 4 | simpr 484 | . . . . . . 7 ⊢ ((𝑥 ∈ (LIdeal‘ℤring) ∧ 𝑥 ≠ {0}) → 𝑥 ≠ {0}) | |
| 5 | eqid 2734 | . . . . . . 7 ⊢ inf((𝑥 ∩ ℕ), ℝ, < ) = inf((𝑥 ∩ ℕ), ℝ, < ) | |
| 6 | 3, 4, 5 | zringlpirlem2 21411 | . . . . . 6 ⊢ ((𝑥 ∈ (LIdeal‘ℤring) ∧ 𝑥 ≠ {0}) → inf((𝑥 ∩ ℕ), ℝ, < ) ∈ 𝑥) |
| 7 | simpll 766 | . . . . . . . 8 ⊢ (((𝑥 ∈ (LIdeal‘ℤring) ∧ 𝑥 ≠ {0}) ∧ 𝑧 ∈ 𝑥) → 𝑥 ∈ (LIdeal‘ℤring)) | |
| 8 | simplr 768 | . . . . . . . 8 ⊢ (((𝑥 ∈ (LIdeal‘ℤring) ∧ 𝑥 ≠ {0}) ∧ 𝑧 ∈ 𝑥) → 𝑥 ≠ {0}) | |
| 9 | simpr 484 | . . . . . . . 8 ⊢ (((𝑥 ∈ (LIdeal‘ℤring) ∧ 𝑥 ≠ {0}) ∧ 𝑧 ∈ 𝑥) → 𝑧 ∈ 𝑥) | |
| 10 | 7, 8, 5, 9 | zringlpirlem3 21412 | . . . . . . 7 ⊢ (((𝑥 ∈ (LIdeal‘ℤring) ∧ 𝑥 ≠ {0}) ∧ 𝑧 ∈ 𝑥) → inf((𝑥 ∩ ℕ), ℝ, < ) ∥ 𝑧) |
| 11 | 10 | ralrimiva 3130 | . . . . . 6 ⊢ ((𝑥 ∈ (LIdeal‘ℤring) ∧ 𝑥 ≠ {0}) → ∀𝑧 ∈ 𝑥 inf((𝑥 ∩ ℕ), ℝ, < ) ∥ 𝑧) |
| 12 | breq1 5120 | . . . . . . . 8 ⊢ (𝑦 = inf((𝑥 ∩ ℕ), ℝ, < ) → (𝑦 ∥ 𝑧 ↔ inf((𝑥 ∩ ℕ), ℝ, < ) ∥ 𝑧)) | |
| 13 | 12 | ralbidv 3161 | . . . . . . 7 ⊢ (𝑦 = inf((𝑥 ∩ ℕ), ℝ, < ) → (∀𝑧 ∈ 𝑥 𝑦 ∥ 𝑧 ↔ ∀𝑧 ∈ 𝑥 inf((𝑥 ∩ ℕ), ℝ, < ) ∥ 𝑧)) |
| 14 | 13 | rspcev 3599 | . . . . . 6 ⊢ ((inf((𝑥 ∩ ℕ), ℝ, < ) ∈ 𝑥 ∧ ∀𝑧 ∈ 𝑥 inf((𝑥 ∩ ℕ), ℝ, < ) ∥ 𝑧) → ∃𝑦 ∈ 𝑥 ∀𝑧 ∈ 𝑥 𝑦 ∥ 𝑧) |
| 15 | 6, 11, 14 | syl2anc 584 | . . . . 5 ⊢ ((𝑥 ∈ (LIdeal‘ℤring) ∧ 𝑥 ≠ {0}) → ∃𝑦 ∈ 𝑥 ∀𝑧 ∈ 𝑥 𝑦 ∥ 𝑧) |
| 16 | eqid 2734 | . . . . . . . 8 ⊢ (LIdeal‘ℤring) = (LIdeal‘ℤring) | |
| 17 | eqid 2734 | . . . . . . . 8 ⊢ (LPIdeal‘ℤring) = (LPIdeal‘ℤring) | |
| 18 | dvdsrzring 21409 | . . . . . . . 8 ⊢ ∥ = (∥r‘ℤring) | |
| 19 | 16, 17, 18 | lpigen 21283 | . . . . . . 7 ⊢ ((ℤring ∈ Ring ∧ 𝑥 ∈ (LIdeal‘ℤring)) → (𝑥 ∈ (LPIdeal‘ℤring) ↔ ∃𝑦 ∈ 𝑥 ∀𝑧 ∈ 𝑥 𝑦 ∥ 𝑧)) |
| 20 | 1, 19 | mpan 690 | . . . . . 6 ⊢ (𝑥 ∈ (LIdeal‘ℤring) → (𝑥 ∈ (LPIdeal‘ℤring) ↔ ∃𝑦 ∈ 𝑥 ∀𝑧 ∈ 𝑥 𝑦 ∥ 𝑧)) |
| 21 | 20 | adantr 480 | . . . . 5 ⊢ ((𝑥 ∈ (LIdeal‘ℤring) ∧ 𝑥 ≠ {0}) → (𝑥 ∈ (LPIdeal‘ℤring) ↔ ∃𝑦 ∈ 𝑥 ∀𝑧 ∈ 𝑥 𝑦 ∥ 𝑧)) |
| 22 | 15, 21 | mpbird 257 | . . . 4 ⊢ ((𝑥 ∈ (LIdeal‘ℤring) ∧ 𝑥 ≠ {0}) → 𝑥 ∈ (LPIdeal‘ℤring)) |
| 23 | zring0 21406 | . . . . . 6 ⊢ 0 = (0g‘ℤring) | |
| 24 | 17, 23 | lpi0 21274 | . . . . 5 ⊢ (ℤring ∈ Ring → {0} ∈ (LPIdeal‘ℤring)) |
| 25 | 1, 24 | mp1i 13 | . . . 4 ⊢ (𝑥 ∈ (LIdeal‘ℤring) → {0} ∈ (LPIdeal‘ℤring)) |
| 26 | 2, 22, 25 | pm2.61ne 3016 | . . 3 ⊢ (𝑥 ∈ (LIdeal‘ℤring) → 𝑥 ∈ (LPIdeal‘ℤring)) |
| 27 | 26 | ssriv 3960 | . 2 ⊢ (LIdeal‘ℤring) ⊆ (LPIdeal‘ℤring) |
| 28 | 17, 16 | islpir2 21278 | . 2 ⊢ (ℤring ∈ LPIR ↔ (ℤring ∈ Ring ∧ (LIdeal‘ℤring) ⊆ (LPIdeal‘ℤring))) |
| 29 | 1, 27, 28 | mpbir2an 711 | 1 ⊢ ℤring ∈ LPIR |
| Colors of variables: wff setvar class |
| Syntax hints: ↔ wb 206 ∧ wa 395 = wceq 1539 ∈ wcel 2107 ≠ wne 2931 ∀wral 3050 ∃wrex 3059 ∩ cin 3923 ⊆ wss 3924 {csn 4599 class class class wbr 5117 ‘cfv 6528 infcinf 9448 ℝcr 11121 0cc0 11122 < clt 11262 ℕcn 12233 ∥ cdvds 16259 Ringcrg 20180 LIdealclidl 21154 LPIdealclpidl 21268 LPIRclpir 21269 ℤringczring 21394 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1794 ax-4 1808 ax-5 1909 ax-6 1966 ax-7 2006 ax-8 2109 ax-9 2117 ax-10 2140 ax-11 2156 ax-12 2176 ax-ext 2706 ax-rep 5247 ax-sep 5264 ax-nul 5274 ax-pow 5333 ax-pr 5400 ax-un 7724 ax-cnex 11178 ax-resscn 11179 ax-1cn 11180 ax-icn 11181 ax-addcl 11182 ax-addrcl 11183 ax-mulcl 11184 ax-mulrcl 11185 ax-mulcom 11186 ax-addass 11187 ax-mulass 11188 ax-distr 11189 ax-i2m1 11190 ax-1ne0 11191 ax-1rid 11192 ax-rnegex 11193 ax-rrecex 11194 ax-cnre 11195 ax-pre-lttri 11196 ax-pre-lttrn 11197 ax-pre-ltadd 11198 ax-pre-mulgt0 11199 ax-pre-sup 11200 ax-addf 11201 ax-mulf 11202 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3or 1087 df-3an 1088 df-tru 1542 df-fal 1552 df-ex 1779 df-nf 1783 df-sb 2064 df-mo 2538 df-eu 2567 df-clab 2713 df-cleq 2726 df-clel 2808 df-nfc 2884 df-ne 2932 df-nel 3036 df-ral 3051 df-rex 3060 df-rmo 3357 df-reu 3358 df-rab 3414 df-v 3459 df-sbc 3764 df-csb 3873 df-dif 3927 df-un 3929 df-in 3931 df-ss 3941 df-pss 3944 df-nul 4307 df-if 4499 df-pw 4575 df-sn 4600 df-pr 4602 df-tp 4604 df-op 4606 df-uni 4882 df-int 4921 df-iun 4967 df-br 5118 df-opab 5180 df-mpt 5200 df-tr 5228 df-id 5546 df-eprel 5551 df-po 5559 df-so 5560 df-fr 5604 df-we 5606 df-xp 5658 df-rel 5659 df-cnv 5660 df-co 5661 df-dm 5662 df-rn 5663 df-res 5664 df-ima 5665 df-pred 6288 df-ord 6353 df-on 6354 df-lim 6355 df-suc 6356 df-iota 6481 df-fun 6530 df-fn 6531 df-f 6532 df-f1 6533 df-fo 6534 df-f1o 6535 df-fv 6536 df-riota 7357 df-ov 7403 df-oprab 7404 df-mpo 7405 df-om 7857 df-1st 7983 df-2nd 7984 df-frecs 8275 df-wrecs 8306 df-recs 8380 df-rdg 8419 df-1o 8475 df-er 8714 df-en 8955 df-dom 8956 df-sdom 8957 df-fin 8958 df-sup 9449 df-inf 9450 df-pnf 11264 df-mnf 11265 df-xr 11266 df-ltxr 11267 df-le 11268 df-sub 11461 df-neg 11462 df-div 11888 df-nn 12234 df-2 12296 df-3 12297 df-4 12298 df-5 12299 df-6 12300 df-7 12301 df-8 12302 df-9 12303 df-n0 12495 df-z 12582 df-dec 12702 df-uz 12846 df-rp 13002 df-fz 13515 df-fl 13799 df-mod 13877 df-seq 14010 df-exp 14070 df-cj 15107 df-re 15108 df-im 15109 df-sqrt 15243 df-abs 15244 df-dvds 16260 df-struct 17153 df-sets 17170 df-slot 17188 df-ndx 17200 df-base 17216 df-ress 17239 df-plusg 17271 df-mulr 17272 df-starv 17273 df-sca 17274 df-vsca 17275 df-ip 17276 df-tset 17277 df-ple 17278 df-ds 17280 df-unif 17281 df-0g 17442 df-mgm 18605 df-sgrp 18684 df-mnd 18700 df-grp 18906 df-minusg 18907 df-sbg 18908 df-subg 19093 df-cmn 19750 df-abl 19751 df-mgp 20088 df-rng 20100 df-ur 20129 df-ring 20182 df-cring 20183 df-dvdsr 20304 df-subrng 20493 df-subrg 20517 df-lmod 20806 df-lss 20876 df-lsp 20916 df-sra 21118 df-rgmod 21119 df-lidl 21156 df-rsp 21157 df-lpidl 21270 df-lpir 21271 df-cnfld 21303 df-zring 21395 |
| This theorem is referenced by: zringpid 33504 |
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