| Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > MPE Home > Th. List > cntrabl | Structured version Visualization version GIF version | ||
| Description: The center of a group is an abelian group. (Contributed by Thierry Arnoux, 21-Aug-2023.) |
| Ref | Expression |
|---|---|
| cntrcmnd.z | ⊢ 𝑍 = (𝑀 ↾s (Cntr‘𝑀)) |
| Ref | Expression |
|---|---|
| cntrabl | ⊢ (𝑀 ∈ Grp → 𝑍 ∈ Abel) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | eqid 2735 | . . . . 5 ⊢ (Base‘𝑀) = (Base‘𝑀) | |
| 2 | eqid 2735 | . . . . 5 ⊢ (Cntz‘𝑀) = (Cntz‘𝑀) | |
| 3 | 1, 2 | cntrval 19250 | . . . 4 ⊢ ((Cntz‘𝑀)‘(Base‘𝑀)) = (Cntr‘𝑀) |
| 4 | ssid 3955 | . . . . 5 ⊢ (Base‘𝑀) ⊆ (Base‘𝑀) | |
| 5 | 1, 2 | cntzsubg 19270 | . . . . 5 ⊢ ((𝑀 ∈ Grp ∧ (Base‘𝑀) ⊆ (Base‘𝑀)) → ((Cntz‘𝑀)‘(Base‘𝑀)) ∈ (SubGrp‘𝑀)) |
| 6 | 4, 5 | mpan2 692 | . . . 4 ⊢ (𝑀 ∈ Grp → ((Cntz‘𝑀)‘(Base‘𝑀)) ∈ (SubGrp‘𝑀)) |
| 7 | 3, 6 | eqeltrrid 2840 | . . 3 ⊢ (𝑀 ∈ Grp → (Cntr‘𝑀) ∈ (SubGrp‘𝑀)) |
| 8 | cntrcmnd.z | . . . 4 ⊢ 𝑍 = (𝑀 ↾s (Cntr‘𝑀)) | |
| 9 | 8 | subggrp 19061 | . . 3 ⊢ ((Cntr‘𝑀) ∈ (SubGrp‘𝑀) → 𝑍 ∈ Grp) |
| 10 | 7, 9 | syl 17 | . 2 ⊢ (𝑀 ∈ Grp → 𝑍 ∈ Grp) |
| 11 | grpmnd 18872 | . . 3 ⊢ (𝑀 ∈ Grp → 𝑀 ∈ Mnd) | |
| 12 | 8 | cntrcmnd 19773 | . . 3 ⊢ (𝑀 ∈ Mnd → 𝑍 ∈ CMnd) |
| 13 | 11, 12 | syl 17 | . 2 ⊢ (𝑀 ∈ Grp → 𝑍 ∈ CMnd) |
| 14 | isabl 19715 | . 2 ⊢ (𝑍 ∈ Abel ↔ (𝑍 ∈ Grp ∧ 𝑍 ∈ CMnd)) | |
| 15 | 10, 13, 14 | sylanbrc 584 | 1 ⊢ (𝑀 ∈ Grp → 𝑍 ∈ Abel) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 = wceq 1542 ∈ wcel 2114 ⊆ wss 3900 ‘cfv 6491 (class class class)co 7358 Basecbs 17138 ↾s cress 17159 Mndcmnd 18661 Grpcgrp 18865 SubGrpcsubg 19052 Cntzccntz 19246 Cntrccntr 19247 CMndccmn 19711 Abelcabl 19712 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-9 2124 ax-10 2147 ax-11 2163 ax-12 2183 ax-ext 2707 ax-rep 5223 ax-sep 5240 ax-nul 5250 ax-pow 5309 ax-pr 5376 ax-un 7680 ax-cnex 11084 ax-resscn 11085 ax-1cn 11086 ax-icn 11087 ax-addcl 11088 ax-addrcl 11089 ax-mulcl 11090 ax-mulrcl 11091 ax-mulcom 11092 ax-addass 11093 ax-mulass 11094 ax-distr 11095 ax-i2m1 11096 ax-1ne0 11097 ax-1rid 11098 ax-rnegex 11099 ax-rrecex 11100 ax-cnre 11101 ax-pre-lttri 11102 ax-pre-lttrn 11103 ax-pre-ltadd 11104 ax-pre-mulgt0 11105 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3or 1088 df-3an 1089 df-tru 1545 df-fal 1555 df-ex 1782 df-nf 1786 df-sb 2069 df-mo 2538 df-eu 2568 df-clab 2714 df-cleq 2727 df-clel 2810 df-nfc 2884 df-ne 2932 df-nel 3036 df-ral 3051 df-rex 3060 df-rmo 3349 df-reu 3350 df-rab 3399 df-v 3441 df-sbc 3740 df-csb 3849 df-dif 3903 df-un 3905 df-in 3907 df-ss 3917 df-pss 3920 df-nul 4285 df-if 4479 df-pw 4555 df-sn 4580 df-pr 4582 df-op 4586 df-uni 4863 df-iun 4947 df-br 5098 df-opab 5160 df-mpt 5179 df-tr 5205 df-id 5518 df-eprel 5523 df-po 5531 df-so 5532 df-fr 5576 df-we 5578 df-xp 5629 df-rel 5630 df-cnv 5631 df-co 5632 df-dm 5633 df-rn 5634 df-res 5635 df-ima 5636 df-pred 6258 df-ord 6319 df-on 6320 df-lim 6321 df-suc 6322 df-iota 6447 df-fun 6493 df-fn 6494 df-f 6495 df-f1 6496 df-fo 6497 df-f1o 6498 df-fv 6499 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 8886 df-dom 8887 df-sdom 8888 df-pnf 11170 df-mnf 11171 df-xr 11172 df-ltxr 11173 df-le 11174 df-sub 11368 df-neg 11369 df-nn 12148 df-2 12210 df-sets 17093 df-slot 17111 df-ndx 17123 df-base 17139 df-ress 17160 df-plusg 17192 df-0g 17363 df-mgm 18567 df-sgrp 18646 df-mnd 18662 df-submnd 18711 df-grp 18868 df-minusg 18869 df-subg 19055 df-cntz 19248 df-cntr 19249 df-cmn 19713 df-abl 19714 |
| This theorem is referenced by: simpcntrab 47151 |
| Copyright terms: Public domain | W3C validator |