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| Mirrors > Home > MPE Home > Th. List > qusmulcrng | Structured version Visualization version GIF version | ||
| Description: Value of the ring operation in a quotient ring of a commutative ring. (Contributed by Thierry Arnoux, 1-Sep-2024.) (Proof shortened by metakunt, 3-Jun-2025.) |
| Ref | Expression |
|---|---|
| qusmulcrng.h | ⊢ 𝑄 = (𝑅 /s (𝑅 ~QG 𝐼)) |
| qusmulcrng.v | ⊢ 𝐵 = (Base‘𝑅) |
| qusmulcrng.p | ⊢ · = (.r‘𝑅) |
| qusmulcrng.a | ⊢ × = (.r‘𝑄) |
| qusmulcrng.r | ⊢ (𝜑 → 𝑅 ∈ CRing) |
| qusmulcrng.i | ⊢ (𝜑 → 𝐼 ∈ (LIdeal‘𝑅)) |
| qusmulcrng.x | ⊢ (𝜑 → 𝑋 ∈ 𝐵) |
| qusmulcrng.y | ⊢ (𝜑 → 𝑌 ∈ 𝐵) |
| Ref | Expression |
|---|---|
| qusmulcrng | ⊢ (𝜑 → ([𝑋](𝑅 ~QG 𝐼) × [𝑌](𝑅 ~QG 𝐼)) = [(𝑋 · 𝑌)](𝑅 ~QG 𝐼)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | qusmulcrng.h | . 2 ⊢ 𝑄 = (𝑅 /s (𝑅 ~QG 𝐼)) | |
| 2 | qusmulcrng.v | . 2 ⊢ 𝐵 = (Base‘𝑅) | |
| 3 | qusmulcrng.p | . 2 ⊢ · = (.r‘𝑅) | |
| 4 | qusmulcrng.a | . 2 ⊢ × = (.r‘𝑄) | |
| 5 | qusmulcrng.r | . . 3 ⊢ (𝜑 → 𝑅 ∈ CRing) | |
| 6 | 5 | crngringd 20172 | . 2 ⊢ (𝜑 → 𝑅 ∈ Ring) |
| 7 | qusmulcrng.i | . . 3 ⊢ (𝜑 → 𝐼 ∈ (LIdeal‘𝑅)) | |
| 8 | eqid 2733 | . . . . 5 ⊢ (LIdeal‘𝑅) = (LIdeal‘𝑅) | |
| 9 | 8 | crng2idl 21227 | . . . 4 ⊢ (𝑅 ∈ CRing → (LIdeal‘𝑅) = (2Ideal‘𝑅)) |
| 10 | 5, 9 | syl 17 | . . 3 ⊢ (𝜑 → (LIdeal‘𝑅) = (2Ideal‘𝑅)) |
| 11 | 7, 10 | eleqtrd 2835 | . 2 ⊢ (𝜑 → 𝐼 ∈ (2Ideal‘𝑅)) |
| 12 | qusmulcrng.x | . 2 ⊢ (𝜑 → 𝑋 ∈ 𝐵) | |
| 13 | qusmulcrng.y | . 2 ⊢ (𝜑 → 𝑌 ∈ 𝐵) | |
| 14 | 1, 2, 3, 4, 6, 11, 12, 13 | qusmul2idl 21225 | 1 ⊢ (𝜑 → ([𝑋](𝑅 ~QG 𝐼) × [𝑌](𝑅 ~QG 𝐼)) = [(𝑋 · 𝑌)](𝑅 ~QG 𝐼)) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 = wceq 1541 ∈ wcel 2113 ‘cfv 6489 (class class class)co 7355 [cec 8629 Basecbs 17127 .rcmulr 17169 /s cqus 17417 ~QG cqg 19043 CRingccrg 20160 LIdealclidl 21152 2Idealc2idl 21195 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1911 ax-6 1968 ax-7 2009 ax-8 2115 ax-9 2123 ax-10 2146 ax-11 2162 ax-12 2182 ax-ext 2705 ax-rep 5221 ax-sep 5238 ax-nul 5248 ax-pow 5307 ax-pr 5374 ax-un 7677 ax-cnex 11073 ax-resscn 11074 ax-1cn 11075 ax-icn 11076 ax-addcl 11077 ax-addrcl 11078 ax-mulcl 11079 ax-mulrcl 11080 ax-mulcom 11081 ax-addass 11082 ax-mulass 11083 ax-distr 11084 ax-i2m1 11085 ax-1ne0 11086 ax-1rid 11087 ax-rnegex 11088 ax-rrecex 11089 ax-cnre 11090 ax-pre-lttri 11091 ax-pre-lttrn 11092 ax-pre-ltadd 11093 ax-pre-mulgt0 11094 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3or 1087 df-3an 1088 df-tru 1544 df-fal 1554 df-ex 1781 df-nf 1785 df-sb 2068 df-mo 2537 df-eu 2566 df-clab 2712 df-cleq 2725 df-clel 2808 df-nfc 2882 df-ne 2930 df-nel 3034 df-ral 3049 df-rex 3058 df-rmo 3347 df-reu 3348 df-rab 3397 df-v 3439 df-sbc 3738 df-csb 3847 df-dif 3901 df-un 3903 df-in 3905 df-ss 3915 df-pss 3918 df-nul 4283 df-if 4477 df-pw 4553 df-sn 4578 df-pr 4580 df-tp 4582 df-op 4584 df-uni 4861 df-int 4900 df-iun 4945 df-br 5096 df-opab 5158 df-mpt 5177 df-tr 5203 df-id 5516 df-eprel 5521 df-po 5529 df-so 5530 df-fr 5574 df-we 5576 df-xp 5627 df-rel 5628 df-cnv 5629 df-co 5630 df-dm 5631 df-rn 5632 df-res 5633 df-ima 5634 df-pred 6256 df-ord 6317 df-on 6318 df-lim 6319 df-suc 6320 df-iota 6445 df-fun 6491 df-fn 6492 df-f 6493 df-f1 6494 df-fo 6495 df-f1o 6496 df-fv 6497 df-riota 7312 df-ov 7358 df-oprab 7359 df-mpo 7360 df-om 7806 df-1st 7930 df-2nd 7931 df-tpos 8165 df-frecs 8220 df-wrecs 8251 df-recs 8300 df-rdg 8338 df-1o 8394 df-er 8631 df-ec 8633 df-qs 8637 df-en 8880 df-dom 8881 df-sdom 8882 df-fin 8883 df-sup 9337 df-inf 9338 df-pnf 11159 df-mnf 11160 df-xr 11161 df-ltxr 11162 df-le 11163 df-sub 11357 df-neg 11358 df-nn 12137 df-2 12199 df-3 12200 df-4 12201 df-5 12202 df-6 12203 df-7 12204 df-8 12205 df-9 12206 df-n0 12393 df-z 12480 df-dec 12599 df-uz 12743 df-fz 13415 df-struct 17065 df-sets 17082 df-slot 17100 df-ndx 17112 df-base 17128 df-ress 17149 df-plusg 17181 df-mulr 17182 df-sca 17184 df-vsca 17185 df-ip 17186 df-tset 17187 df-ple 17188 df-ds 17190 df-0g 17352 df-imas 17420 df-qus 17421 df-mgm 18556 df-sgrp 18635 df-mnd 18651 df-grp 18857 df-minusg 18858 df-sbg 18859 df-subg 19044 df-eqg 19046 df-cmn 19702 df-abl 19703 df-mgp 20067 df-rng 20079 df-ur 20108 df-ring 20161 df-cring 20162 df-oppr 20264 df-subrg 20494 df-lmod 20804 df-lss 20874 df-lsp 20914 df-sra 21116 df-rgmod 21117 df-lidl 21154 df-rsp 21155 df-2idl 21196 |
| This theorem is referenced by: rhmqusnsg 21231 rhmquskerlem 33434 |
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