| 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 2765 | . . 3 ⊢ (oppr‘𝑄) = (oppr‘𝑄) | |
| 2 | eqid 2765 | . . 3 ⊢ (Base‘𝑄) = (Base‘𝑄) | |
| 3 | 1, 2 | opprbas 20475 | . 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 33833 | . . . . 5 ⊢ ((𝑅 ∈ 𝑉 ∧ 𝐼 ⊆ 𝐵) → (𝑅 ~QG 𝐼) = (𝑂 ~QG 𝐼)) |
| 9 | 4, 5, 8 | syl2anc 596 | . . . 4 ⊢ (𝜑 → (𝑅 ~QG 𝐼) = (𝑂 ~QG 𝐼)) |
| 10 | 9 | qseq2d 8764 | . . 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 7454 | . . . 4 ⊢ (𝜑 → (𝑅 ~QG 𝐼) ∈ V) | |
| 15 | 12, 13, 14, 4 | qusbas 17625 | . . 3 ⊢ (𝜑 → (𝐵 / (𝑅 ~QG 𝐼)) = (Base‘𝑄)) |
| 16 | eqidd 2766 | . . . 4 ⊢ (𝜑 → (𝑂 /s (𝑂 ~QG 𝐼)) = (𝑂 /s (𝑂 ~QG 𝐼))) | |
| 17 | 6, 7 | opprbas 20475 | . . . . 5 ⊢ 𝐵 = (Base‘𝑂) |
| 18 | 17 | a1i 11 | . . . 4 ⊢ (𝜑 → 𝐵 = (Base‘𝑂)) |
| 19 | ovexd 7454 | . . . 4 ⊢ (𝜑 → (𝑂 ~QG 𝐼) ∈ V) | |
| 20 | 6 | fvexi 6899 | . . . . 5 ⊢ 𝑂 ∈ V |
| 21 | 20 | a1i 11 | . . . 4 ⊢ (𝜑 → 𝑂 ∈ V) |
| 22 | 16, 18, 19, 21 | qusbas 17625 | . . 3 ⊢ (𝜑 → (𝐵 / (𝑂 ~QG 𝐼)) = (Base‘(𝑂 /s (𝑂 ~QG 𝐼)))) |
| 23 | 10, 15, 22 | 3eqtr3d 2808 | . 2 ⊢ (𝜑 → (Base‘𝑄) = (Base‘(𝑂 /s (𝑂 ~QG 𝐼)))) |
| 24 | 3, 23 | eqtr3id 2814 | 1 ⊢ (𝜑 → (Base‘(oppr‘𝑄)) = (Base‘(𝑂 /s (𝑂 ~QG 𝐼)))) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 = wceq 1570 ∈ wcel 2146 Vcvv 3457 ⊆ wss 3906 ‘cfv 6540 (class class class)co 7419 / cqs 8699 Basecbs 17295 /s cqus 17585 ~QG cqg 19236 opprcoppr 20468 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1943 ax-6 2000 ax-7 2041 ax-8 2148 ax-9 2156 ax-10 2179 ax-11 2195 ax-12 2216 ax-ext 2737 ax-rep 5240 ax-sep 5259 ax-nul 5271 ax-pow 5338 ax-pr 5406 ax-un 7742 ax-cnex 11175 ax-resscn 11176 ax-1cn 11177 ax-icn 11178 ax-addcl 11179 ax-addrcl 11180 ax-mulcl 11181 ax-mulrcl 11182 ax-mulcom 11183 ax-addass 11184 ax-mulass 11185 ax-distr 11186 ax-i2m1 11187 ax-1ne0 11188 ax-1rid 11189 ax-rnegex 11190 ax-rrecex 11191 ax-cnre 11192 ax-pre-lttri 11193 ax-pre-lttrn 11194 ax-pre-ltadd 11195 ax-pre-mulgt0 11196 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2100 df-mo 2569 df-eu 2599 df-clab 2744 df-cleq 2757 df-clel 2840 df-nfc 2914 df-ne 2961 df-nel 3067 df-ral 3082 df-rex 3092 df-reu 3372 df-rab 3419 df-v 3459 df-sbc 3747 df-csb 3855 df-dif 3909 df-un 3911 df-in 3913 df-ss 3923 df-pss 3926 df-nul 4287 df-if 4490 df-pw 4566 df-sn 4592 df-pr 4594 df-tp 4596 df-op 4598 df-uni 4875 df-iun 4960 df-br 5112 df-opab 5176 df-mpt 5195 df-tr 5221 df-id 5558 df-eprel 5563 df-po 5571 df-so 5572 df-fr 5616 df-we 5618 df-xp 5669 df-rel 5670 df-cnv 5671 df-co 5672 df-dm 5673 df-rn 5674 df-res 5675 df-ima 5676 df-pred 6306 df-ord 6367 df-on 6368 df-lim 6369 df-suc 6370 df-iota 6496 df-fun 6542 df-fn 6543 df-f 6544 df-f1 6545 df-fo 6546 df-f1o 6547 df-fv 6548 df-riota 7376 df-ov 7422 df-oprab 7423 df-mpo 7424 df-om 7869 df-1st 7992 df-2nd 7993 df-tpos 8228 df-frecs 8284 df-wrecs 8315 df-recs 8364 df-rdg 8403 df-1o 8459 df-er 8700 df-ec 8702 df-qs 8706 df-en 8950 df-dom 8951 df-sdom 8952 df-fin 8953 df-sup 9409 df-inf 9410 df-pnf 11264 df-mnf 11265 df-xr 11266 df-ltxr 11267 df-le 11268 df-sub 11462 df-neg 11463 df-nn 12253 df-2 12322 df-3 12323 df-4 12324 df-5 12325 df-6 12326 df-7 12327 df-8 12328 df-9 12329 df-n0 12524 df-z 12611 df-dec 12732 df-uz 12883 df-fz 13556 df-struct 17233 df-sets 17250 df-slot 17268 df-ndx 17280 df-base 17296 df-plusg 17349 df-mulr 17350 df-sca 17352 df-vsca 17353 df-ip 17354 df-tset 17355 df-ple 17356 df-ds 17358 df-0g 17520 df-imas 17588 df-qus 17589 df-minusg 19052 df-eqg 19239 df-oppr 20469 |
| This theorem is used by: opprqus0g 33840 opprqus1r 33842 opprqusdrng 33843 |
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