![]() |
Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
|
Mirrors > Home > MPE Home > Th. List > symgsubmefmnd | Structured version Visualization version GIF version |
Description: The symmetric group on a set 𝐴 is a submonoid of the monoid of endofunctions on 𝐴. (Contributed by AV, 18-Feb-2024.) |
Ref | Expression |
---|---|
symgsubmefmnd.m | ⊢ 𝑀 = (EndoFMnd‘𝐴) |
symgsubmefmnd.g | ⊢ 𝐺 = (SymGrp‘𝐴) |
symgsubmefmnd.b | ⊢ 𝐵 = (Base‘𝐺) |
Ref | Expression |
---|---|
symgsubmefmnd | ⊢ (𝐴 ∈ 𝑉 → 𝐵 ∈ (SubMnd‘𝑀)) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | symgsubmefmnd.g | . . 3 ⊢ 𝐺 = (SymGrp‘𝐴) | |
2 | symgsubmefmnd.b | . . 3 ⊢ 𝐵 = (Base‘𝐺) | |
3 | 1, 2 | symgbas 19150 | . 2 ⊢ 𝐵 = {𝑓 ∣ 𝑓:𝐴–1-1-onto→𝐴} |
4 | inab 4259 | . . . 4 ⊢ ({𝑓 ∣ 𝑓:𝐴–1-1→𝐴} ∩ {𝑓 ∣ 𝑓:𝐴–onto→𝐴}) = {𝑓 ∣ (𝑓:𝐴–1-1→𝐴 ∧ 𝑓:𝐴–onto→𝐴)} | |
5 | df-f1o 6503 | . . . . . 6 ⊢ (𝑓:𝐴–1-1-onto→𝐴 ↔ (𝑓:𝐴–1-1→𝐴 ∧ 𝑓:𝐴–onto→𝐴)) | |
6 | 5 | bicomi 223 | . . . . 5 ⊢ ((𝑓:𝐴–1-1→𝐴 ∧ 𝑓:𝐴–onto→𝐴) ↔ 𝑓:𝐴–1-1-onto→𝐴) |
7 | 6 | abbii 2806 | . . . 4 ⊢ {𝑓 ∣ (𝑓:𝐴–1-1→𝐴 ∧ 𝑓:𝐴–onto→𝐴)} = {𝑓 ∣ 𝑓:𝐴–1-1-onto→𝐴} |
8 | 4, 7 | eqtr2i 2765 | . . 3 ⊢ {𝑓 ∣ 𝑓:𝐴–1-1-onto→𝐴} = ({𝑓 ∣ 𝑓:𝐴–1-1→𝐴} ∩ {𝑓 ∣ 𝑓:𝐴–onto→𝐴}) |
9 | symgsubmefmnd.m | . . . . 5 ⊢ 𝑀 = (EndoFMnd‘𝐴) | |
10 | 9 | injsubmefmnd 18706 | . . . 4 ⊢ (𝐴 ∈ 𝑉 → {𝑓 ∣ 𝑓:𝐴–1-1→𝐴} ∈ (SubMnd‘𝑀)) |
11 | 9 | sursubmefmnd 18705 | . . . 4 ⊢ (𝐴 ∈ 𝑉 → {𝑓 ∣ 𝑓:𝐴–onto→𝐴} ∈ (SubMnd‘𝑀)) |
12 | insubm 18628 | . . . 4 ⊢ (({𝑓 ∣ 𝑓:𝐴–1-1→𝐴} ∈ (SubMnd‘𝑀) ∧ {𝑓 ∣ 𝑓:𝐴–onto→𝐴} ∈ (SubMnd‘𝑀)) → ({𝑓 ∣ 𝑓:𝐴–1-1→𝐴} ∩ {𝑓 ∣ 𝑓:𝐴–onto→𝐴}) ∈ (SubMnd‘𝑀)) | |
13 | 10, 11, 12 | syl2anc 584 | . . 3 ⊢ (𝐴 ∈ 𝑉 → ({𝑓 ∣ 𝑓:𝐴–1-1→𝐴} ∩ {𝑓 ∣ 𝑓:𝐴–onto→𝐴}) ∈ (SubMnd‘𝑀)) |
14 | 8, 13 | eqeltrid 2842 | . 2 ⊢ (𝐴 ∈ 𝑉 → {𝑓 ∣ 𝑓:𝐴–1-1-onto→𝐴} ∈ (SubMnd‘𝑀)) |
15 | 3, 14 | eqeltrid 2842 | 1 ⊢ (𝐴 ∈ 𝑉 → 𝐵 ∈ (SubMnd‘𝑀)) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 396 = wceq 1541 ∈ wcel 2106 {cab 2713 ∩ cin 3909 –1-1→wf1 6493 –onto→wfo 6494 –1-1-onto→wf1o 6495 ‘cfv 6496 Basecbs 17082 SubMndcsubmnd 18599 EndoFMndcefmnd 18677 SymGrpcsymg 19146 |
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 1913 ax-6 1971 ax-7 2011 ax-8 2108 ax-9 2116 ax-10 2137 ax-11 2154 ax-12 2171 ax-ext 2707 ax-rep 5242 ax-sep 5256 ax-nul 5263 ax-pow 5320 ax-pr 5384 ax-un 7671 ax-cnex 11106 ax-resscn 11107 ax-1cn 11108 ax-icn 11109 ax-addcl 11110 ax-addrcl 11111 ax-mulcl 11112 ax-mulrcl 11113 ax-mulcom 11114 ax-addass 11115 ax-mulass 11116 ax-distr 11117 ax-i2m1 11118 ax-1ne0 11119 ax-1rid 11120 ax-rnegex 11121 ax-rrecex 11122 ax-cnre 11123 ax-pre-lttri 11124 ax-pre-lttrn 11125 ax-pre-ltadd 11126 ax-pre-mulgt0 11127 |
This theorem depends on definitions: df-bi 206 df-an 397 df-or 846 df-3or 1088 df-3an 1089 df-tru 1544 df-fal 1554 df-ex 1782 df-nf 1786 df-sb 2068 df-mo 2538 df-eu 2567 df-clab 2714 df-cleq 2728 df-clel 2814 df-nfc 2889 df-ne 2944 df-nel 3050 df-ral 3065 df-rex 3074 df-rmo 3353 df-reu 3354 df-rab 3408 df-v 3447 df-sbc 3740 df-csb 3856 df-dif 3913 df-un 3915 df-in 3917 df-ss 3927 df-pss 3929 df-nul 4283 df-if 4487 df-pw 4562 df-sn 4587 df-pr 4589 df-tp 4591 df-op 4593 df-uni 4866 df-iun 4956 df-br 5106 df-opab 5168 df-mpt 5189 df-tr 5223 df-id 5531 df-eprel 5537 df-po 5545 df-so 5546 df-fr 5588 df-we 5590 df-xp 5639 df-rel 5640 df-cnv 5641 df-co 5642 df-dm 5643 df-rn 5644 df-res 5645 df-ima 5646 df-pred 6253 df-ord 6320 df-on 6321 df-lim 6322 df-suc 6323 df-iota 6448 df-fun 6498 df-fn 6499 df-f 6500 df-f1 6501 df-fo 6502 df-f1o 6503 df-fv 6504 df-riota 7312 df-ov 7359 df-oprab 7360 df-mpo 7361 df-om 7802 df-1st 7920 df-2nd 7921 df-frecs 8211 df-wrecs 8242 df-recs 8316 df-rdg 8355 df-1o 8411 df-er 8647 df-map 8766 df-en 8883 df-dom 8884 df-sdom 8885 df-fin 8886 df-pnf 11190 df-mnf 11191 df-xr 11192 df-ltxr 11193 df-le 11194 df-sub 11386 df-neg 11387 df-nn 12153 df-2 12215 df-3 12216 df-4 12217 df-5 12218 df-6 12219 df-7 12220 df-8 12221 df-9 12222 df-n0 12413 df-z 12499 df-uz 12763 df-fz 13424 df-struct 17018 df-sets 17035 df-slot 17053 df-ndx 17065 df-base 17083 df-ress 17112 df-plusg 17145 df-tset 17151 df-0g 17322 df-mgm 18496 df-sgrp 18545 df-mnd 18556 df-submnd 18601 df-efmnd 18678 df-symg 19147 |
This theorem is referenced by: symgid 19181 symgtgp 23455 |
Copyright terms: Public domain | W3C validator |