| Mathbox for Thierry Arnoux |
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| Mirrors > Home > MPE Home > Th. List > Mathboxes > opprqus1r | Structured version Visualization version GIF version | ||
| Description: The ring unity of the quotient of the opposite ring is the same as the ring unity of the opposite of the quotient ring. (Contributed by Thierry Arnoux, 9-Mar-2025.) |
| Ref | Expression |
|---|---|
| opprqus.b | ⊢ 𝐵 = (Base‘𝑅) |
| opprqus.o | ⊢ 𝑂 = (oppr‘𝑅) |
| opprqus.q | ⊢ 𝑄 = (𝑅 /s (𝑅 ~QG 𝐼)) |
| opprqus1r.r | ⊢ (𝜑 → 𝑅 ∈ Ring) |
| opprqus1r.i | ⊢ (𝜑 → 𝐼 ∈ (2Ideal‘𝑅)) |
| Ref | Expression |
|---|---|
| opprqus1r | ⊢ (𝜑 → (1r‘(oppr‘𝑄)) = (1r‘(𝑂 /s (𝑂 ~QG 𝐼)))) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | eqid 2761 | . 2 ⊢ (Base‘(oppr‘𝑄)) = (Base‘(oppr‘𝑄)) | |
| 2 | fvexd 6876 | . 2 ⊢ (𝜑 → (oppr‘𝑄) ∈ V) | |
| 3 | ovexd 7425 | . 2 ⊢ (𝜑 → (𝑂 /s (𝑂 ~QG 𝐼)) ∈ V) | |
| 4 | opprqus.b | . . 3 ⊢ 𝐵 = (Base‘𝑅) | |
| 5 | opprqus.o | . . 3 ⊢ 𝑂 = (oppr‘𝑅) | |
| 6 | opprqus.q | . . 3 ⊢ 𝑄 = (𝑅 /s (𝑅 ~QG 𝐼)) | |
| 7 | opprqus1r.r | . . 3 ⊢ (𝜑 → 𝑅 ∈ Ring) | |
| 8 | opprqus1r.i | . . . . 5 ⊢ (𝜑 → 𝐼 ∈ (2Ideal‘𝑅)) | |
| 9 | 8 | 2idllidld 21302 | . . . 4 ⊢ (𝜑 → 𝐼 ∈ (LIdeal‘𝑅)) |
| 10 | eqid 2761 | . . . . 5 ⊢ (LIdeal‘𝑅) = (LIdeal‘𝑅) | |
| 11 | 4, 10 | lidlss 21260 | . . . 4 ⊢ (𝐼 ∈ (LIdeal‘𝑅) → 𝐼 ⊆ 𝐵) |
| 12 | 9, 11 | syl 17 | . . 3 ⊢ (𝜑 → 𝐼 ⊆ 𝐵) |
| 13 | 4, 5, 6, 7, 12 | opprqusbas 33635 | . 2 ⊢ (𝜑 → (Base‘(oppr‘𝑄)) = (Base‘(𝑂 /s (𝑂 ~QG 𝐼)))) |
| 14 | 7 | ad2antrr 736 | . . 3 ⊢ (((𝜑 ∧ 𝑥 ∈ (Base‘(oppr‘𝑄))) ∧ 𝑦 ∈ (Base‘(oppr‘𝑄))) → 𝑅 ∈ Ring) |
| 15 | 8 | ad2antrr 736 | . . 3 ⊢ (((𝜑 ∧ 𝑥 ∈ (Base‘(oppr‘𝑄))) ∧ 𝑦 ∈ (Base‘(oppr‘𝑄))) → 𝐼 ∈ (2Ideal‘𝑅)) |
| 16 | eqid 2761 | . . 3 ⊢ (Base‘𝑄) = (Base‘𝑄) | |
| 17 | simpr 488 | . . . . 5 ⊢ ((𝜑 ∧ 𝑥 ∈ (Base‘(oppr‘𝑄))) → 𝑥 ∈ (Base‘(oppr‘𝑄))) | |
| 18 | eqid 2761 | . . . . . 6 ⊢ (oppr‘𝑄) = (oppr‘𝑄) | |
| 19 | 18, 16 | opprbas 20369 | . . . . 5 ⊢ (Base‘𝑄) = (Base‘(oppr‘𝑄)) |
| 20 | 17, 19 | eleqtrrdi 2872 | . . . 4 ⊢ ((𝜑 ∧ 𝑥 ∈ (Base‘(oppr‘𝑄))) → 𝑥 ∈ (Base‘𝑄)) |
| 21 | 20 | adantr 484 | . . 3 ⊢ (((𝜑 ∧ 𝑥 ∈ (Base‘(oppr‘𝑄))) ∧ 𝑦 ∈ (Base‘(oppr‘𝑄))) → 𝑥 ∈ (Base‘𝑄)) |
| 22 | simpr 488 | . . . . 5 ⊢ ((𝜑 ∧ 𝑦 ∈ (Base‘(oppr‘𝑄))) → 𝑦 ∈ (Base‘(oppr‘𝑄))) | |
| 23 | 22, 19 | eleqtrrdi 2872 | . . . 4 ⊢ ((𝜑 ∧ 𝑦 ∈ (Base‘(oppr‘𝑄))) → 𝑦 ∈ (Base‘𝑄)) |
| 24 | 23 | adantlr 725 | . . 3 ⊢ (((𝜑 ∧ 𝑥 ∈ (Base‘(oppr‘𝑄))) ∧ 𝑦 ∈ (Base‘(oppr‘𝑄))) → 𝑦 ∈ (Base‘𝑄)) |
| 25 | 4, 5, 6, 14, 15, 16, 21, 24 | opprqusmulr 33638 | . 2 ⊢ (((𝜑 ∧ 𝑥 ∈ (Base‘(oppr‘𝑄))) ∧ 𝑦 ∈ (Base‘(oppr‘𝑄))) → (𝑥(.r‘(oppr‘𝑄))𝑦) = (𝑥(.r‘(𝑂 /s (𝑂 ~QG 𝐼)))𝑦)) |
| 26 | 1, 2, 3, 13, 25 | urpropd 33370 | 1 ⊢ (𝜑 → (1r‘(oppr‘𝑄)) = (1r‘(𝑂 /s (𝑂 ~QG 𝐼)))) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 399 = wceq 1559 ∈ wcel 2141 Vcvv 3453 ⊆ wss 3904 ‘cfv 6515 (class class class)co 7390 Basecbs 17226 /s cqus 17516 ~QG cqg 19145 1rcur 20208 Ringcrg 20260 opprcoppr 20362 LIdealclidl 21254 2Idealc2idl 21297 |
| 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 5226 ax-sep 5245 ax-nul 5255 ax-pow 5321 ax-pr 5389 ax-un 7712 ax-cnex 11124 ax-resscn 11125 ax-1cn 11126 ax-icn 11127 ax-addcl 11128 ax-addrcl 11129 ax-mulcl 11130 ax-mulrcl 11131 ax-mulcom 11132 ax-addass 11133 ax-mulass 11134 ax-distr 11135 ax-i2m1 11136 ax-1ne0 11137 ax-1rid 11138 ax-rnegex 11139 ax-rrecex 11140 ax-cnre 11141 ax-pre-lttri 11142 ax-pre-lttrn 11143 ax-pre-ltadd 11144 ax-pre-mulgt0 11145 |
| 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 3745 df-csb 3853 df-dif 3907 df-un 3909 df-in 3911 df-ss 3921 df-pss 3924 df-nul 4286 df-if 4480 df-pw 4556 df-sn 4582 df-pr 4584 df-tp 4586 df-op 4588 df-uni 4865 df-iun 4950 df-br 5100 df-opab 5162 df-mpt 5181 df-tr 5207 df-id 5540 df-eprel 5545 df-po 5553 df-so 5554 df-fr 5598 df-we 5600 df-xp 5651 df-rel 5652 df-cnv 5653 df-co 5654 df-dm 5655 df-rn 5656 df-res 5657 df-ima 5658 df-pred 6282 df-ord 6343 df-on 6344 df-lim 6345 df-suc 6346 df-iota 6471 df-fun 6517 df-fn 6518 df-f 6519 df-f1 6520 df-fo 6521 df-f1o 6522 df-fv 6523 df-riota 7347 df-ov 7393 df-oprab 7394 df-mpo 7395 df-om 7841 df-1st 7964 df-2nd 7965 df-tpos 8199 df-frecs 8255 df-wrecs 8286 df-recs 8335 df-rdg 8374 df-1o 8430 df-er 8671 df-ec 8673 df-qs 8677 df-en 8922 df-dom 8923 df-sdom 8924 df-fin 8925 df-sup 9383 df-inf 9384 df-pnf 11213 df-mnf 11214 df-xr 11215 df-ltxr 11216 df-le 11217 df-sub 11411 df-neg 11412 df-nn 12206 df-2 12275 df-3 12276 df-4 12277 df-5 12278 df-6 12279 df-7 12280 df-8 12281 df-9 12282 df-n0 12477 df-z 12564 df-dec 12684 df-uz 12835 df-fz 13508 df-struct 17164 df-sets 17181 df-slot 17199 df-ndx 17211 df-base 17227 df-ress 17248 df-plusg 17280 df-mulr 17281 df-sca 17283 df-vsca 17284 df-ip 17285 df-tset 17286 df-ple 17287 df-ds 17289 df-0g 17451 df-imas 17519 df-qus 17520 df-mgm 18655 df-sgrp 18734 df-mnd 18750 df-grp 18959 df-minusg 18960 df-sbg 18961 df-subg 19146 df-eqg 19148 df-cmn 19803 df-abl 19804 df-mgp 20168 df-rng 20180 df-ur 20209 df-ring 20262 df-oppr 20363 df-subrg 20597 df-lmod 20907 df-lss 20977 df-sra 21218 df-rgmod 21219 df-lidl 21256 df-2idl 21298 |
| This theorem is referenced by: opprqusdrng 33640 qsdrngi 33642 |
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