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Mirrors > Home > MPE Home > Th. List > iscygodd | Structured version Visualization version GIF version |
Description: Show that a group with an element the same order as the group is cyclic. (Contributed by Mario Carneiro, 27-Apr-2016.) |
Ref | Expression |
---|---|
iscygodd.1 | ⊢ 𝐵 = (Base‘𝐺) |
iscygodd.o | ⊢ 𝑂 = (od‘𝐺) |
iscygodd.3 | ⊢ (𝜑 → 𝐺 ∈ Grp) |
iscygodd.4 | ⊢ (𝜑 → 𝑋 ∈ 𝐵) |
iscygodd.5 | ⊢ (𝜑 → (𝑂‘𝑋) = (♯‘𝐵)) |
Ref | Expression |
---|---|
iscygodd | ⊢ (𝜑 → 𝐺 ∈ CycGrp) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | iscygodd.3 | . 2 ⊢ (𝜑 → 𝐺 ∈ Grp) | |
2 | iscygodd.4 | . . . 4 ⊢ (𝜑 → 𝑋 ∈ 𝐵) | |
3 | iscygodd.5 | . . . 4 ⊢ (𝜑 → (𝑂‘𝑋) = (♯‘𝐵)) | |
4 | iscygodd.1 | . . . . . . . . 9 ⊢ 𝐵 = (Base‘𝐺) | |
5 | iscygodd.o | . . . . . . . . 9 ⊢ 𝑂 = (od‘𝐺) | |
6 | 4, 5 | odcl 18882 | . . . . . . . 8 ⊢ (𝑋 ∈ 𝐵 → (𝑂‘𝑋) ∈ ℕ0) |
7 | 2, 6 | syl 17 | . . . . . . 7 ⊢ (𝜑 → (𝑂‘𝑋) ∈ ℕ0) |
8 | 3, 7 | eqeltrrd 2832 | . . . . . 6 ⊢ (𝜑 → (♯‘𝐵) ∈ ℕ0) |
9 | 4 | fvexi 6709 | . . . . . . 7 ⊢ 𝐵 ∈ V |
10 | hashclb 13890 | . . . . . . 7 ⊢ (𝐵 ∈ V → (𝐵 ∈ Fin ↔ (♯‘𝐵) ∈ ℕ0)) | |
11 | 9, 10 | ax-mp 5 | . . . . . 6 ⊢ (𝐵 ∈ Fin ↔ (♯‘𝐵) ∈ ℕ0) |
12 | 8, 11 | sylibr 237 | . . . . 5 ⊢ (𝜑 → 𝐵 ∈ Fin) |
13 | eqid 2736 | . . . . . 6 ⊢ (.g‘𝐺) = (.g‘𝐺) | |
14 | eqid 2736 | . . . . . 6 ⊢ {𝑥 ∈ 𝐵 ∣ ran (𝑛 ∈ ℤ ↦ (𝑛(.g‘𝐺)𝑥)) = 𝐵} = {𝑥 ∈ 𝐵 ∣ ran (𝑛 ∈ ℤ ↦ (𝑛(.g‘𝐺)𝑥)) = 𝐵} | |
15 | 4, 13, 14, 5 | cyggenod 19222 | . . . . 5 ⊢ ((𝐺 ∈ Grp ∧ 𝐵 ∈ Fin) → (𝑋 ∈ {𝑥 ∈ 𝐵 ∣ ran (𝑛 ∈ ℤ ↦ (𝑛(.g‘𝐺)𝑥)) = 𝐵} ↔ (𝑋 ∈ 𝐵 ∧ (𝑂‘𝑋) = (♯‘𝐵)))) |
16 | 1, 12, 15 | syl2anc 587 | . . . 4 ⊢ (𝜑 → (𝑋 ∈ {𝑥 ∈ 𝐵 ∣ ran (𝑛 ∈ ℤ ↦ (𝑛(.g‘𝐺)𝑥)) = 𝐵} ↔ (𝑋 ∈ 𝐵 ∧ (𝑂‘𝑋) = (♯‘𝐵)))) |
17 | 2, 3, 16 | mpbir2and 713 | . . 3 ⊢ (𝜑 → 𝑋 ∈ {𝑥 ∈ 𝐵 ∣ ran (𝑛 ∈ ℤ ↦ (𝑛(.g‘𝐺)𝑥)) = 𝐵}) |
18 | 17 | ne0d 4236 | . 2 ⊢ (𝜑 → {𝑥 ∈ 𝐵 ∣ ran (𝑛 ∈ ℤ ↦ (𝑛(.g‘𝐺)𝑥)) = 𝐵} ≠ ∅) |
19 | 4, 13, 14 | iscyg2 19220 | . 2 ⊢ (𝐺 ∈ CycGrp ↔ (𝐺 ∈ Grp ∧ {𝑥 ∈ 𝐵 ∣ ran (𝑛 ∈ ℤ ↦ (𝑛(.g‘𝐺)𝑥)) = 𝐵} ≠ ∅)) |
20 | 1, 18, 19 | sylanbrc 586 | 1 ⊢ (𝜑 → 𝐺 ∈ CycGrp) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ↔ wb 209 ∧ wa 399 = wceq 1543 ∈ wcel 2112 ≠ wne 2932 {crab 3055 Vcvv 3398 ∅c0 4223 ↦ cmpt 5120 ran crn 5537 ‘cfv 6358 (class class class)co 7191 Fincfn 8604 ℕ0cn0 12055 ℤcz 12141 ♯chash 13861 Basecbs 16666 Grpcgrp 18319 .gcmg 18442 odcod 18870 CycGrpccyg 19215 |
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 2018 ax-8 2114 ax-9 2122 ax-10 2143 ax-11 2160 ax-12 2177 ax-ext 2708 ax-rep 5164 ax-sep 5177 ax-nul 5184 ax-pow 5243 ax-pr 5307 ax-un 7501 ax-inf2 9234 ax-cnex 10750 ax-resscn 10751 ax-1cn 10752 ax-icn 10753 ax-addcl 10754 ax-addrcl 10755 ax-mulcl 10756 ax-mulrcl 10757 ax-mulcom 10758 ax-addass 10759 ax-mulass 10760 ax-distr 10761 ax-i2m1 10762 ax-1ne0 10763 ax-1rid 10764 ax-rnegex 10765 ax-rrecex 10766 ax-cnre 10767 ax-pre-lttri 10768 ax-pre-lttrn 10769 ax-pre-ltadd 10770 ax-pre-mulgt0 10771 ax-pre-sup 10772 |
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 2073 df-mo 2539 df-eu 2568 df-clab 2715 df-cleq 2728 df-clel 2809 df-nfc 2879 df-ne 2933 df-nel 3037 df-ral 3056 df-rex 3057 df-reu 3058 df-rmo 3059 df-rab 3060 df-v 3400 df-sbc 3684 df-csb 3799 df-dif 3856 df-un 3858 df-in 3860 df-ss 3870 df-pss 3872 df-nul 4224 df-if 4426 df-pw 4501 df-sn 4528 df-pr 4530 df-tp 4532 df-op 4534 df-uni 4806 df-int 4846 df-iun 4892 df-br 5040 df-opab 5102 df-mpt 5121 df-tr 5147 df-id 5440 df-eprel 5445 df-po 5453 df-so 5454 df-fr 5494 df-se 5495 df-we 5496 df-xp 5542 df-rel 5543 df-cnv 5544 df-co 5545 df-dm 5546 df-rn 5547 df-res 5548 df-ima 5549 df-pred 6140 df-ord 6194 df-on 6195 df-lim 6196 df-suc 6197 df-iota 6316 df-fun 6360 df-fn 6361 df-f 6362 df-f1 6363 df-fo 6364 df-f1o 6365 df-fv 6366 df-isom 6367 df-riota 7148 df-ov 7194 df-oprab 7195 df-mpo 7196 df-om 7623 df-1st 7739 df-2nd 7740 df-wrecs 8025 df-recs 8086 df-rdg 8124 df-1o 8180 df-oadd 8184 df-omul 8185 df-er 8369 df-map 8488 df-en 8605 df-dom 8606 df-sdom 8607 df-fin 8608 df-sup 9036 df-inf 9037 df-oi 9104 df-card 9520 df-acn 9523 df-pnf 10834 df-mnf 10835 df-xr 10836 df-ltxr 10837 df-le 10838 df-sub 11029 df-neg 11030 df-div 11455 df-nn 11796 df-2 11858 df-3 11859 df-n0 12056 df-z 12142 df-uz 12404 df-rp 12552 df-fz 13061 df-fl 13332 df-mod 13408 df-seq 13540 df-exp 13601 df-hash 13862 df-cj 14627 df-re 14628 df-im 14629 df-sqrt 14763 df-abs 14764 df-dvds 15779 df-0g 16900 df-mgm 18068 df-sgrp 18117 df-mnd 18128 df-grp 18322 df-minusg 18323 df-sbg 18324 df-mulg 18443 df-od 18874 df-cyg 19216 |
This theorem is referenced by: prmcyg 19233 lt6abl 19234 |
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