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Mirrors > Home > MPE Home > Th. List > symggen2 | Structured version Visualization version GIF version |
Description: A finite permutation group is generated by the transpositions, see also Theorem 3.4 in [Rotman] p. 31. (Contributed by Stefan O'Rear, 28-Aug-2015.) |
Ref | Expression |
---|---|
symgtrf.t | ⊢ 𝑇 = ran (pmTrsp‘𝐷) |
symgtrf.g | ⊢ 𝐺 = (SymGrp‘𝐷) |
symgtrf.b | ⊢ 𝐵 = (Base‘𝐺) |
symggen.k | ⊢ 𝐾 = (mrCls‘(SubMnd‘𝐺)) |
Ref | Expression |
---|---|
symggen2 | ⊢ (𝐷 ∈ Fin → (𝐾‘𝑇) = 𝐵) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | symgtrf.t | . . 3 ⊢ 𝑇 = ran (pmTrsp‘𝐷) | |
2 | symgtrf.g | . . 3 ⊢ 𝐺 = (SymGrp‘𝐷) | |
3 | symgtrf.b | . . 3 ⊢ 𝐵 = (Base‘𝐺) | |
4 | symggen.k | . . 3 ⊢ 𝐾 = (mrCls‘(SubMnd‘𝐺)) | |
5 | 1, 2, 3, 4 | symggen 17713 | . 2 ⊢ (𝐷 ∈ Fin → (𝐾‘𝑇) = {𝑥 ∈ 𝐵 ∣ dom (𝑥 ∖ I ) ∈ Fin}) |
6 | difss 3699 | . . . . . . 7 ⊢ (𝑥 ∖ I ) ⊆ 𝑥 | |
7 | dmss 5245 | . . . . . . 7 ⊢ ((𝑥 ∖ I ) ⊆ 𝑥 → dom (𝑥 ∖ I ) ⊆ dom 𝑥) | |
8 | 6, 7 | ax-mp 5 | . . . . . 6 ⊢ dom (𝑥 ∖ I ) ⊆ dom 𝑥 |
9 | 2, 3 | symgbasf1o 17626 | . . . . . . 7 ⊢ (𝑥 ∈ 𝐵 → 𝑥:𝐷–1-1-onto→𝐷) |
10 | f1odm 6054 | . . . . . . 7 ⊢ (𝑥:𝐷–1-1-onto→𝐷 → dom 𝑥 = 𝐷) | |
11 | 9, 10 | syl 17 | . . . . . 6 ⊢ (𝑥 ∈ 𝐵 → dom 𝑥 = 𝐷) |
12 | 8, 11 | syl5sseq 3616 | . . . . 5 ⊢ (𝑥 ∈ 𝐵 → dom (𝑥 ∖ I ) ⊆ 𝐷) |
13 | ssfi 8065 | . . . . 5 ⊢ ((𝐷 ∈ Fin ∧ dom (𝑥 ∖ I ) ⊆ 𝐷) → dom (𝑥 ∖ I ) ∈ Fin) | |
14 | 12, 13 | sylan2 490 | . . . 4 ⊢ ((𝐷 ∈ Fin ∧ 𝑥 ∈ 𝐵) → dom (𝑥 ∖ I ) ∈ Fin) |
15 | 14 | ralrimiva 2949 | . . 3 ⊢ (𝐷 ∈ Fin → ∀𝑥 ∈ 𝐵 dom (𝑥 ∖ I ) ∈ Fin) |
16 | rabid2 3096 | . . 3 ⊢ (𝐵 = {𝑥 ∈ 𝐵 ∣ dom (𝑥 ∖ I ) ∈ Fin} ↔ ∀𝑥 ∈ 𝐵 dom (𝑥 ∖ I ) ∈ Fin) | |
17 | 15, 16 | sylibr 223 | . 2 ⊢ (𝐷 ∈ Fin → 𝐵 = {𝑥 ∈ 𝐵 ∣ dom (𝑥 ∖ I ) ∈ Fin}) |
18 | 5, 17 | eqtr4d 2647 | 1 ⊢ (𝐷 ∈ Fin → (𝐾‘𝑇) = 𝐵) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 = wceq 1475 ∈ wcel 1977 ∀wral 2896 {crab 2900 ∖ cdif 3537 ⊆ wss 3540 I cid 4948 dom cdm 5038 ran crn 5039 –1-1-onto→wf1o 5803 ‘cfv 5804 Fincfn 7841 Basecbs 15695 mrClscmrc 16066 SubMndcsubmnd 17157 SymGrpcsymg 17620 pmTrspcpmtr 17684 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1713 ax-4 1728 ax-5 1827 ax-6 1875 ax-7 1922 ax-8 1979 ax-9 1986 ax-10 2006 ax-11 2021 ax-12 2034 ax-13 2234 ax-ext 2590 ax-rep 4699 ax-sep 4709 ax-nul 4717 ax-pow 4769 ax-pr 4833 ax-un 6847 ax-cnex 9871 ax-resscn 9872 ax-1cn 9873 ax-icn 9874 ax-addcl 9875 ax-addrcl 9876 ax-mulcl 9877 ax-mulrcl 9878 ax-mulcom 9879 ax-addass 9880 ax-mulass 9881 ax-distr 9882 ax-i2m1 9883 ax-1ne0 9884 ax-1rid 9885 ax-rnegex 9886 ax-rrecex 9887 ax-cnre 9888 ax-pre-lttri 9889 ax-pre-lttrn 9890 ax-pre-ltadd 9891 ax-pre-mulgt0 9892 |
This theorem depends on definitions: df-bi 196 df-or 384 df-an 385 df-3or 1032 df-3an 1033 df-tru 1478 df-ex 1696 df-nf 1701 df-sb 1868 df-eu 2462 df-mo 2463 df-clab 2597 df-cleq 2603 df-clel 2606 df-nfc 2740 df-ne 2782 df-nel 2783 df-ral 2901 df-rex 2902 df-reu 2903 df-rmo 2904 df-rab 2905 df-v 3175 df-sbc 3403 df-csb 3500 df-dif 3543 df-un 3545 df-in 3547 df-ss 3554 df-pss 3556 df-nul 3875 df-if 4037 df-pw 4110 df-sn 4126 df-pr 4128 df-tp 4130 df-op 4132 df-uni 4373 df-int 4411 df-iun 4457 df-iin 4458 df-br 4584 df-opab 4644 df-mpt 4645 df-tr 4681 df-eprel 4949 df-id 4953 df-po 4959 df-so 4960 df-fr 4997 df-se 4998 df-we 4999 df-xp 5044 df-rel 5045 df-cnv 5046 df-co 5047 df-dm 5048 df-rn 5049 df-res 5050 df-ima 5051 df-pred 5597 df-ord 5643 df-on 5644 df-lim 5645 df-suc 5646 df-iota 5768 df-fun 5806 df-fn 5807 df-f 5808 df-f1 5809 df-fo 5810 df-f1o 5811 df-fv 5812 df-isom 5813 df-riota 6511 df-ov 6552 df-oprab 6553 df-mpt2 6554 df-om 6958 df-1st 7059 df-2nd 7060 df-wrecs 7294 df-recs 7355 df-rdg 7393 df-1o 7447 df-2o 7448 df-oadd 7451 df-er 7629 df-map 7746 df-en 7842 df-dom 7843 df-sdom 7844 df-fin 7845 df-card 8648 df-pnf 9955 df-mnf 9956 df-xr 9957 df-ltxr 9958 df-le 9959 df-sub 10147 df-neg 10148 df-nn 10898 df-2 10956 df-3 10957 df-4 10958 df-5 10959 df-6 10960 df-7 10961 df-8 10962 df-9 10963 df-n0 11170 df-z 11255 df-uz 11564 df-fz 12198 df-struct 15697 df-ndx 15698 df-slot 15699 df-base 15700 df-sets 15701 df-ress 15702 df-plusg 15781 df-tset 15787 df-0g 15925 df-mre 16069 df-mrc 16070 df-acs 16072 df-mgm 17065 df-sgrp 17107 df-mnd 17118 df-submnd 17159 df-grp 17248 df-minusg 17249 df-subg 17414 df-symg 17621 df-pmtr 17685 |
This theorem is referenced by: psgnfitr 17760 mdetunilem7 20243 |
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