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Mirrors > Home > MPE Home > Th. List > symgbas | Structured version Visualization version GIF version |
Description: The base set of the symmetric group. (Contributed by Mario Carneiro, 12-Jan-2015.) (Proof shortened by AV, 29-Mar-2024.) |
Ref | Expression |
---|---|
symgbas.1 | ⊢ 𝐺 = (SymGrp‘𝐴) |
symgbas.2 | ⊢ 𝐵 = (Base‘𝐺) |
Ref | Expression |
---|---|
symgbas | ⊢ 𝐵 = {𝑥 ∣ 𝑥:𝐴–1-1-onto→𝐴} |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | symgbas.1 | . . . . 5 ⊢ 𝐺 = (SymGrp‘𝐴) | |
2 | eqid 2737 | . . . . 5 ⊢ {𝑥 ∣ 𝑥:𝐴–1-1-onto→𝐴} = {𝑥 ∣ 𝑥:𝐴–1-1-onto→𝐴} | |
3 | 1, 2 | symgval 18761 | . . . 4 ⊢ 𝐺 = ((EndoFMnd‘𝐴) ↾s {𝑥 ∣ 𝑥:𝐴–1-1-onto→𝐴}) |
4 | 3 | eqcomi 2746 | . . 3 ⊢ ((EndoFMnd‘𝐴) ↾s {𝑥 ∣ 𝑥:𝐴–1-1-onto→𝐴}) = 𝐺 |
5 | 4 | fveq2i 6720 | . 2 ⊢ (Base‘((EndoFMnd‘𝐴) ↾s {𝑥 ∣ 𝑥:𝐴–1-1-onto→𝐴})) = (Base‘𝐺) |
6 | f1of 6661 | . . . . 5 ⊢ (𝑥:𝐴–1-1-onto→𝐴 → 𝑥:𝐴⟶𝐴) | |
7 | 6 | ss2abi 3980 | . . . 4 ⊢ {𝑥 ∣ 𝑥:𝐴–1-1-onto→𝐴} ⊆ {𝑥 ∣ 𝑥:𝐴⟶𝐴} |
8 | eqid 2737 | . . . . 5 ⊢ (EndoFMnd‘𝐴) = (EndoFMnd‘𝐴) | |
9 | eqid 2737 | . . . . 5 ⊢ (Base‘(EndoFMnd‘𝐴)) = (Base‘(EndoFMnd‘𝐴)) | |
10 | 8, 9 | efmndbasabf 18299 | . . . 4 ⊢ (Base‘(EndoFMnd‘𝐴)) = {𝑥 ∣ 𝑥:𝐴⟶𝐴} |
11 | 7, 10 | sseqtrri 3938 | . . 3 ⊢ {𝑥 ∣ 𝑥:𝐴–1-1-onto→𝐴} ⊆ (Base‘(EndoFMnd‘𝐴)) |
12 | eqid 2737 | . . . 4 ⊢ ((EndoFMnd‘𝐴) ↾s {𝑥 ∣ 𝑥:𝐴–1-1-onto→𝐴}) = ((EndoFMnd‘𝐴) ↾s {𝑥 ∣ 𝑥:𝐴–1-1-onto→𝐴}) | |
13 | 12, 9 | ressbas2 16791 | . . 3 ⊢ ({𝑥 ∣ 𝑥:𝐴–1-1-onto→𝐴} ⊆ (Base‘(EndoFMnd‘𝐴)) → {𝑥 ∣ 𝑥:𝐴–1-1-onto→𝐴} = (Base‘((EndoFMnd‘𝐴) ↾s {𝑥 ∣ 𝑥:𝐴–1-1-onto→𝐴}))) |
14 | 11, 13 | ax-mp 5 | . 2 ⊢ {𝑥 ∣ 𝑥:𝐴–1-1-onto→𝐴} = (Base‘((EndoFMnd‘𝐴) ↾s {𝑥 ∣ 𝑥:𝐴–1-1-onto→𝐴})) |
15 | symgbas.2 | . 2 ⊢ 𝐵 = (Base‘𝐺) | |
16 | 5, 14, 15 | 3eqtr4ri 2776 | 1 ⊢ 𝐵 = {𝑥 ∣ 𝑥:𝐴–1-1-onto→𝐴} |
Colors of variables: wff setvar class |
Syntax hints: = wceq 1543 {cab 2714 ⊆ wss 3866 ⟶wf 6376 –1-1-onto→wf1o 6379 ‘cfv 6380 (class class class)co 7213 Basecbs 16760 ↾s cress 16784 EndoFMndcefmnd 18295 SymGrpcsymg 18759 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1803 ax-4 1817 ax-5 1918 ax-6 1976 ax-7 2016 ax-8 2112 ax-9 2120 ax-10 2141 ax-11 2158 ax-12 2175 ax-ext 2708 ax-sep 5192 ax-nul 5199 ax-pow 5258 ax-pr 5322 ax-un 7523 ax-cnex 10785 ax-resscn 10786 ax-1cn 10787 ax-icn 10788 ax-addcl 10789 ax-addrcl 10790 ax-mulcl 10791 ax-mulrcl 10792 ax-mulcom 10793 ax-addass 10794 ax-mulass 10795 ax-distr 10796 ax-i2m1 10797 ax-1ne0 10798 ax-1rid 10799 ax-rnegex 10800 ax-rrecex 10801 ax-cnre 10802 ax-pre-lttri 10803 ax-pre-lttrn 10804 ax-pre-ltadd 10805 ax-pre-mulgt0 10806 |
This theorem depends on definitions: df-bi 210 df-an 400 df-or 848 df-3or 1090 df-3an 1091 df-tru 1546 df-fal 1556 df-ex 1788 df-nf 1792 df-sb 2071 df-mo 2539 df-eu 2568 df-clab 2715 df-cleq 2729 df-clel 2816 df-nfc 2886 df-ne 2941 df-nel 3047 df-ral 3066 df-rex 3067 df-reu 3068 df-rab 3070 df-v 3410 df-sbc 3695 df-csb 3812 df-dif 3869 df-un 3871 df-in 3873 df-ss 3883 df-pss 3885 df-nul 4238 df-if 4440 df-pw 4515 df-sn 4542 df-pr 4544 df-tp 4546 df-op 4548 df-uni 4820 df-iun 4906 df-br 5054 df-opab 5116 df-mpt 5136 df-tr 5162 df-id 5455 df-eprel 5460 df-po 5468 df-so 5469 df-fr 5509 df-we 5511 df-xp 5557 df-rel 5558 df-cnv 5559 df-co 5560 df-dm 5561 df-rn 5562 df-res 5563 df-ima 5564 df-pred 6160 df-ord 6216 df-on 6217 df-lim 6218 df-suc 6219 df-iota 6338 df-fun 6382 df-fn 6383 df-f 6384 df-f1 6385 df-fo 6386 df-f1o 6387 df-fv 6388 df-riota 7170 df-ov 7216 df-oprab 7217 df-mpo 7218 df-om 7645 df-1st 7761 df-2nd 7762 df-wrecs 8047 df-recs 8108 df-rdg 8146 df-1o 8202 df-er 8391 df-map 8510 df-en 8627 df-dom 8628 df-sdom 8629 df-fin 8630 df-pnf 10869 df-mnf 10870 df-xr 10871 df-ltxr 10872 df-le 10873 df-sub 11064 df-neg 11065 df-nn 11831 df-2 11893 df-3 11894 df-4 11895 df-5 11896 df-6 11897 df-7 11898 df-8 11899 df-9 11900 df-n0 12091 df-z 12177 df-uz 12439 df-fz 13096 df-struct 16700 df-sets 16717 df-slot 16735 df-ndx 16745 df-base 16761 df-ress 16785 df-plusg 16815 df-tset 16821 df-efmnd 18296 df-symg 18760 |
This theorem is referenced by: symgbasexOLD 18764 elsymgbas2 18765 symghash 18770 symgbasfi 18771 symgressbas 18774 symgbas0 18781 symg1bas 18783 symgvalstruct 18789 symgsubmefmnd 18790 symgtset 18791 |
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