| Mathbox for Thierry Arnoux |
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| Mirrors > Home > MPE Home > Th. List > Mathboxes > opprqusbas | Structured version Visualization version GIF version | ||
| Description: The base of the quotient of the opposite ring is the same as the base 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)) |
| opprqusbas.r | ⊢ (𝜑 → 𝑅 ∈ 𝑉) |
| opprqusbas.i | ⊢ (𝜑 → 𝐼 ⊆ 𝐵) |
| Ref | Expression |
|---|---|
| opprqusbas | ⊢ (𝜑 → (Base‘(oppr‘𝑄)) = (Base‘(𝑂 /s (𝑂 ~QG 𝐼)))) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | eqid 2737 | . . 3 ⊢ (oppr‘𝑄) = (oppr‘𝑄) | |
| 2 | eqid 2737 | . . 3 ⊢ (Base‘𝑄) = (Base‘𝑄) | |
| 3 | 1, 2 | opprbas 20341 | . 2 ⊢ (Base‘𝑄) = (Base‘(oppr‘𝑄)) |
| 4 | opprqusbas.r | . . . . 5 ⊢ (𝜑 → 𝑅 ∈ 𝑉) | |
| 5 | opprqusbas.i | . . . . 5 ⊢ (𝜑 → 𝐼 ⊆ 𝐵) | |
| 6 | opprqus.o | . . . . . 6 ⊢ 𝑂 = (oppr‘𝑅) | |
| 7 | opprqus.b | . . . . . 6 ⊢ 𝐵 = (Base‘𝑅) | |
| 8 | 6, 7 | oppreqg 33511 | . . . . 5 ⊢ ((𝑅 ∈ 𝑉 ∧ 𝐼 ⊆ 𝐵) → (𝑅 ~QG 𝐼) = (𝑂 ~QG 𝐼)) |
| 9 | 4, 5, 8 | syl2anc 584 | . . . 4 ⊢ (𝜑 → (𝑅 ~QG 𝐼) = (𝑂 ~QG 𝐼)) |
| 10 | 9 | qseq2d 8805 | . . 3 ⊢ (𝜑 → (𝐵 / (𝑅 ~QG 𝐼)) = (𝐵 / (𝑂 ~QG 𝐼))) |
| 11 | opprqus.q | . . . . 5 ⊢ 𝑄 = (𝑅 /s (𝑅 ~QG 𝐼)) | |
| 12 | 11 | a1i 11 | . . . 4 ⊢ (𝜑 → 𝑄 = (𝑅 /s (𝑅 ~QG 𝐼))) |
| 13 | 7 | a1i 11 | . . . 4 ⊢ (𝜑 → 𝐵 = (Base‘𝑅)) |
| 14 | ovexd 7466 | . . . 4 ⊢ (𝜑 → (𝑅 ~QG 𝐼) ∈ V) | |
| 15 | 12, 13, 14, 4 | qusbas 17590 | . . 3 ⊢ (𝜑 → (𝐵 / (𝑅 ~QG 𝐼)) = (Base‘𝑄)) |
| 16 | eqidd 2738 | . . . 4 ⊢ (𝜑 → (𝑂 /s (𝑂 ~QG 𝐼)) = (𝑂 /s (𝑂 ~QG 𝐼))) | |
| 17 | 6, 7 | opprbas 20341 | . . . . 5 ⊢ 𝐵 = (Base‘𝑂) |
| 18 | 17 | a1i 11 | . . . 4 ⊢ (𝜑 → 𝐵 = (Base‘𝑂)) |
| 19 | ovexd 7466 | . . . 4 ⊢ (𝜑 → (𝑂 ~QG 𝐼) ∈ V) | |
| 20 | 6 | fvexi 6920 | . . . . 5 ⊢ 𝑂 ∈ V |
| 21 | 20 | a1i 11 | . . . 4 ⊢ (𝜑 → 𝑂 ∈ V) |
| 22 | 16, 18, 19, 21 | qusbas 17590 | . . 3 ⊢ (𝜑 → (𝐵 / (𝑂 ~QG 𝐼)) = (Base‘(𝑂 /s (𝑂 ~QG 𝐼)))) |
| 23 | 10, 15, 22 | 3eqtr3d 2785 | . 2 ⊢ (𝜑 → (Base‘𝑄) = (Base‘(𝑂 /s (𝑂 ~QG 𝐼)))) |
| 24 | 3, 23 | eqtr3id 2791 | 1 ⊢ (𝜑 → (Base‘(oppr‘𝑄)) = (Base‘(𝑂 /s (𝑂 ~QG 𝐼)))) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 = wceq 1540 ∈ wcel 2108 Vcvv 3480 ⊆ wss 3951 ‘cfv 6561 (class class class)co 7431 / cqs 8744 Basecbs 17247 /s cqus 17550 ~QG cqg 19140 opprcoppr 20333 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1795 ax-4 1809 ax-5 1910 ax-6 1967 ax-7 2007 ax-8 2110 ax-9 2118 ax-10 2141 ax-11 2157 ax-12 2177 ax-ext 2708 ax-rep 5279 ax-sep 5296 ax-nul 5306 ax-pow 5365 ax-pr 5432 ax-un 7755 ax-cnex 11211 ax-resscn 11212 ax-1cn 11213 ax-icn 11214 ax-addcl 11215 ax-addrcl 11216 ax-mulcl 11217 ax-mulrcl 11218 ax-mulcom 11219 ax-addass 11220 ax-mulass 11221 ax-distr 11222 ax-i2m1 11223 ax-1ne0 11224 ax-1rid 11225 ax-rnegex 11226 ax-rrecex 11227 ax-cnre 11228 ax-pre-lttri 11229 ax-pre-lttrn 11230 ax-pre-ltadd 11231 ax-pre-mulgt0 11232 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3or 1088 df-3an 1089 df-tru 1543 df-fal 1553 df-ex 1780 df-nf 1784 df-sb 2065 df-mo 2540 df-eu 2569 df-clab 2715 df-cleq 2729 df-clel 2816 df-nfc 2892 df-ne 2941 df-nel 3047 df-ral 3062 df-rex 3071 df-reu 3381 df-rab 3437 df-v 3482 df-sbc 3789 df-csb 3900 df-dif 3954 df-un 3956 df-in 3958 df-ss 3968 df-pss 3971 df-nul 4334 df-if 4526 df-pw 4602 df-sn 4627 df-pr 4629 df-tp 4631 df-op 4633 df-uni 4908 df-iun 4993 df-br 5144 df-opab 5206 df-mpt 5226 df-tr 5260 df-id 5578 df-eprel 5584 df-po 5592 df-so 5593 df-fr 5637 df-we 5639 df-xp 5691 df-rel 5692 df-cnv 5693 df-co 5694 df-dm 5695 df-rn 5696 df-res 5697 df-ima 5698 df-pred 6321 df-ord 6387 df-on 6388 df-lim 6389 df-suc 6390 df-iota 6514 df-fun 6563 df-fn 6564 df-f 6565 df-f1 6566 df-fo 6567 df-f1o 6568 df-fv 6569 df-riota 7388 df-ov 7434 df-oprab 7435 df-mpo 7436 df-om 7888 df-1st 8014 df-2nd 8015 df-tpos 8251 df-frecs 8306 df-wrecs 8337 df-recs 8411 df-rdg 8450 df-1o 8506 df-er 8745 df-ec 8747 df-qs 8751 df-en 8986 df-dom 8987 df-sdom 8988 df-fin 8989 df-sup 9482 df-inf 9483 df-pnf 11297 df-mnf 11298 df-xr 11299 df-ltxr 11300 df-le 11301 df-sub 11494 df-neg 11495 df-nn 12267 df-2 12329 df-3 12330 df-4 12331 df-5 12332 df-6 12333 df-7 12334 df-8 12335 df-9 12336 df-n0 12527 df-z 12614 df-dec 12734 df-uz 12879 df-fz 13548 df-struct 17184 df-sets 17201 df-slot 17219 df-ndx 17231 df-base 17248 df-plusg 17310 df-mulr 17311 df-sca 17313 df-vsca 17314 df-ip 17315 df-tset 17316 df-ple 17317 df-ds 17319 df-0g 17486 df-imas 17553 df-qus 17554 df-minusg 18955 df-eqg 19143 df-oppr 20334 |
| This theorem is referenced by: opprqus0g 33518 opprqus1r 33520 opprqusdrng 33521 |
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