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Mirrors > Home > MPE Home > Th. List > cyggrp | Structured version Visualization version GIF version |
Description: A cyclic group is a group. (Contributed by Mario Carneiro, 21-Apr-2016.) |
Ref | Expression |
---|---|
cyggrp | ⊢ (𝐺 ∈ CycGrp → 𝐺 ∈ Grp) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | eqid 2824 | . . 3 ⊢ (Base‘𝐺) = (Base‘𝐺) | |
2 | eqid 2824 | . . 3 ⊢ (.g‘𝐺) = (.g‘𝐺) | |
3 | 1, 2 | iscyg 19001 | . 2 ⊢ (𝐺 ∈ CycGrp ↔ (𝐺 ∈ Grp ∧ ∃𝑥 ∈ (Base‘𝐺)ran (𝑛 ∈ ℤ ↦ (𝑛(.g‘𝐺)𝑥)) = (Base‘𝐺))) |
4 | 3 | simplbi 500 | 1 ⊢ (𝐺 ∈ CycGrp → 𝐺 ∈ Grp) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 = wceq 1536 ∈ wcel 2113 ∃wrex 3142 ↦ cmpt 5149 ran crn 5559 ‘cfv 6358 (class class class)co 7159 ℤcz 11984 Basecbs 16486 Grpcgrp 18106 .gcmg 18227 CycGrpccyg 18999 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1795 ax-4 1809 ax-5 1910 ax-6 1969 ax-7 2014 ax-8 2115 ax-9 2123 ax-10 2144 ax-11 2160 ax-12 2176 ax-ext 2796 |
This theorem depends on definitions: df-bi 209 df-an 399 df-or 844 df-3an 1085 df-tru 1539 df-ex 1780 df-nf 1784 df-sb 2069 df-clab 2803 df-cleq 2817 df-clel 2896 df-nfc 2966 df-ral 3146 df-rex 3147 df-rab 3150 df-v 3499 df-dif 3942 df-un 3944 df-in 3946 df-ss 3955 df-nul 4295 df-if 4471 df-sn 4571 df-pr 4573 df-op 4577 df-uni 4842 df-br 5070 df-opab 5132 df-mpt 5150 df-cnv 5566 df-dm 5568 df-rn 5569 df-iota 6317 df-fv 6366 df-ov 7162 df-cyg 19000 |
This theorem is referenced by: fincygsubgodexd 19238 cygznlem1 20716 cygznlem2a 20717 cygznlem3 20719 prmsimpcyc 30860 |
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