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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 20283 | . 2 ⊢ (𝜑 → 𝑅 ∈ Ring) |
| 7 | qusmulcrng.i | . . 3 ⊢ (𝜑 → 𝐼 ∈ (LIdeal‘𝑅)) | |
| 8 | eqid 2761 | . . . . 5 ⊢ (LIdeal‘𝑅) = (LIdeal‘𝑅) | |
| 9 | 8 | crng2idl 21339 | . . . 4 ⊢ (𝑅 ∈ CRing → (LIdeal‘𝑅) = (2Ideal‘𝑅)) |
| 10 | 5, 9 | syl 17 | . . 3 ⊢ (𝜑 → (LIdeal‘𝑅) = (2Ideal‘𝑅)) |
| 11 | 7, 10 | eleqtrd 2863 | . 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 21337 | 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 1559 ∈ wcel 2141 ‘cfv 6516 (class class class)co 7391 [cec 8670 Basecbs 17236 .rcmulr 17278 /s cqus 17526 ~QG cqg 19155 CRingccrg 20271 LIdealclidl 21264 2Idealc2idl 21307 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1814 ax-4 1828 ax-5 1929 ax-6 1986 ax-7 2027 ax-8 2143 ax-9 2151 ax-10 2174 ax-11 2190 ax-12 2211 ax-ext 2733 ax-rep 5224 ax-sep 5243 ax-nul 5253 ax-pow 5319 ax-pr 5387 ax-un 7713 ax-cnex 11123 ax-resscn 11124 ax-1cn 11125 ax-icn 11126 ax-addcl 11127 ax-addrcl 11128 ax-mulcl 11129 ax-mulrcl 11130 ax-mulcom 11131 ax-addass 11132 ax-mulass 11133 ax-distr 11134 ax-i2m1 11135 ax-1ne0 11136 ax-1rid 11137 ax-rnegex 11138 ax-rrecex 11139 ax-cnre 11140 ax-pre-lttri 11141 ax-pre-lttrn 11142 ax-pre-ltadd 11143 ax-pre-mulgt0 11144 |
| This theorem depends on definitions: df-bi 209 df-an 400 df-or 859 df-3or 1098 df-3an 1099 df-tru 1562 df-fal 1572 df-ex 1799 df-nf 1803 df-sb 2090 df-mo 2565 df-eu 2595 df-clab 2740 df-cleq 2753 df-clel 2836 df-nfc 2910 df-ne 2957 df-nel 3061 df-ral 3076 df-rex 3086 df-rmo 3366 df-reu 3367 df-rab 3414 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 4284 df-if 4478 df-pw 4554 df-sn 4580 df-pr 4582 df-tp 4584 df-op 4586 df-uni 4863 df-int 4903 df-iun 4948 df-br 5098 df-opab 5160 df-mpt 5179 df-tr 5205 df-id 5538 df-eprel 5543 df-po 5551 df-so 5552 df-fr 5596 df-we 5598 df-xp 5649 df-rel 5650 df-cnv 5651 df-co 5652 df-dm 5653 df-rn 5654 df-res 5655 df-ima 5656 df-pred 6283 df-ord 6344 df-on 6345 df-lim 6346 df-suc 6347 df-iota 6472 df-fun 6518 df-fn 6519 df-f 6520 df-f1 6521 df-fo 6522 df-f1o 6523 df-fv 6524 df-riota 7348 df-ov 7394 df-oprab 7395 df-mpo 7396 df-om 7842 df-1st 7965 df-2nd 7966 df-tpos 8200 df-frecs 8256 df-wrecs 8287 df-recs 8336 df-rdg 8375 df-1o 8431 df-er 8672 df-ec 8674 df-qs 8678 df-en 8922 df-dom 8923 df-sdom 8924 df-fin 8925 df-sup 9382 df-inf 9383 df-pnf 11212 df-mnf 11213 df-xr 11214 df-ltxr 11215 df-le 11216 df-sub 11410 df-neg 11411 df-nn 12205 df-2 12274 df-3 12275 df-4 12276 df-5 12277 df-6 12278 df-7 12279 df-8 12280 df-9 12281 df-n0 12476 df-z 12563 df-dec 12683 df-uz 12834 df-fz 13507 df-struct 17174 df-sets 17191 df-slot 17209 df-ndx 17221 df-base 17237 df-ress 17258 df-plusg 17290 df-mulr 17291 df-sca 17293 df-vsca 17294 df-ip 17295 df-tset 17296 df-ple 17297 df-ds 17299 df-0g 17461 df-imas 17529 df-qus 17530 df-mgm 18665 df-sgrp 18744 df-mnd 18760 df-grp 18969 df-minusg 18970 df-sbg 18971 df-subg 19156 df-eqg 19158 df-cmn 19813 df-abl 19814 df-mgp 20178 df-rng 20190 df-ur 20219 df-ring 20272 df-cring 20273 df-oppr 20373 df-subrg 20607 df-lmod 20917 df-lss 20987 df-lsp 21027 df-sra 21228 df-rgmod 21229 df-lidl 21266 df-rsp 21267 df-2idl 21308 |
| This theorem is referenced by: rhmqusnsg 21343 rhmquskerlem 33572 |
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