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| Mirrors > Home > MPE Home > Th. List > Mathboxes > elmgpcntrd | Structured version Visualization version GIF version | ||
| Description: The center of a ring. (Contributed by Zhi Wang, 11-Sep-2025.) |
| Ref | Expression |
|---|---|
| elmgpcntrd.b | ⊢ 𝐵 = (Base‘𝑅) |
| elmgpcntrd.m | ⊢ 𝑀 = (mulGrp‘𝑅) |
| elmgpcntrd.z | ⊢ 𝑍 = (Cntr‘𝑀) |
| elmgpcntrd.x | ⊢ (𝜑 → 𝑋 ∈ 𝐵) |
| elmgpcntrd.y | ⊢ ((𝜑 ∧ 𝑦 ∈ 𝐵) → (𝑋(.r‘𝑅)𝑦) = (𝑦(.r‘𝑅)𝑋)) |
| Ref | Expression |
|---|---|
| elmgpcntrd | ⊢ (𝜑 → 𝑋 ∈ 𝑍) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | elmgpcntrd.x | . 2 ⊢ (𝜑 → 𝑋 ∈ 𝐵) | |
| 2 | elmgpcntrd.y | . . 3 ⊢ ((𝜑 ∧ 𝑦 ∈ 𝐵) → (𝑋(.r‘𝑅)𝑦) = (𝑦(.r‘𝑅)𝑋)) | |
| 3 | 2 | ralrimiva 3128 | . 2 ⊢ (𝜑 → ∀𝑦 ∈ 𝐵 (𝑋(.r‘𝑅)𝑦) = (𝑦(.r‘𝑅)𝑋)) |
| 4 | elmgpcntrd.m | . . . 4 ⊢ 𝑀 = (mulGrp‘𝑅) | |
| 5 | elmgpcntrd.b | . . . 4 ⊢ 𝐵 = (Base‘𝑅) | |
| 6 | 4, 5 | mgpbas 20080 | . . 3 ⊢ 𝐵 = (Base‘𝑀) |
| 7 | eqid 2736 | . . . 4 ⊢ (.r‘𝑅) = (.r‘𝑅) | |
| 8 | 4, 7 | mgpplusg 20079 | . . 3 ⊢ (.r‘𝑅) = (+g‘𝑀) |
| 9 | elmgpcntrd.z | . . 3 ⊢ 𝑍 = (Cntr‘𝑀) | |
| 10 | 6, 8, 9 | elcntr 19259 | . 2 ⊢ (𝑋 ∈ 𝑍 ↔ (𝑋 ∈ 𝐵 ∧ ∀𝑦 ∈ 𝐵 (𝑋(.r‘𝑅)𝑦) = (𝑦(.r‘𝑅)𝑋))) |
| 11 | 1, 3, 10 | sylanbrc 583 | 1 ⊢ (𝜑 → 𝑋 ∈ 𝑍) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 395 = wceq 1541 ∈ wcel 2113 ∀wral 3051 ‘cfv 6492 (class class class)co 7358 Basecbs 17136 .rcmulr 17178 Cntrccntr 19245 mulGrpcmgp 20075 |
| 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 2184 ax-ext 2708 ax-rep 5224 ax-sep 5241 ax-nul 5251 ax-pow 5310 ax-pr 5377 ax-un 7680 ax-cnex 11082 ax-resscn 11083 ax-1cn 11084 ax-icn 11085 ax-addcl 11086 ax-addrcl 11087 ax-mulcl 11088 ax-mulrcl 11089 ax-mulcom 11090 ax-addass 11091 ax-mulass 11092 ax-distr 11093 ax-i2m1 11094 ax-1ne0 11095 ax-1rid 11096 ax-rnegex 11097 ax-rrecex 11098 ax-cnre 11099 ax-pre-lttri 11100 ax-pre-lttrn 11101 ax-pre-ltadd 11102 ax-pre-mulgt0 11103 |
| 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 2539 df-eu 2569 df-clab 2715 df-cleq 2728 df-clel 2811 df-nfc 2885 df-ne 2933 df-nel 3037 df-ral 3052 df-rex 3061 df-reu 3351 df-rab 3400 df-v 3442 df-sbc 3741 df-csb 3850 df-dif 3904 df-un 3906 df-in 3908 df-ss 3918 df-pss 3921 df-nul 4286 df-if 4480 df-pw 4556 df-sn 4581 df-pr 4583 df-op 4587 df-uni 4864 df-iun 4948 df-br 5099 df-opab 5161 df-mpt 5180 df-tr 5206 df-id 5519 df-eprel 5524 df-po 5532 df-so 5533 df-fr 5577 df-we 5579 df-xp 5630 df-rel 5631 df-cnv 5632 df-co 5633 df-dm 5634 df-rn 5635 df-res 5636 df-ima 5637 df-pred 6259 df-ord 6320 df-on 6321 df-lim 6322 df-suc 6323 df-iota 6448 df-fun 6494 df-fn 6495 df-f 6496 df-f1 6497 df-fo 6498 df-f1o 6499 df-fv 6500 df-riota 7315 df-ov 7361 df-oprab 7362 df-mpo 7363 df-om 7809 df-2nd 7934 df-frecs 8223 df-wrecs 8254 df-recs 8303 df-rdg 8341 df-er 8635 df-en 8884 df-dom 8885 df-sdom 8886 df-pnf 11168 df-mnf 11169 df-xr 11170 df-ltxr 11171 df-le 11172 df-sub 11366 df-neg 11367 df-nn 12146 df-2 12208 df-sets 17091 df-slot 17109 df-ndx 17121 df-base 17137 df-plusg 17190 df-cntz 19246 df-cntr 19247 df-mgp 20076 |
| This theorem is referenced by: asclcntr 49248 |
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