| Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > MPE Home > Th. List > iscyg3 | Structured version Visualization version GIF version | ||
| Description: Definition of a cyclic group. (Contributed by Mario Carneiro, 21-Apr-2016.) |
| Ref | Expression |
|---|---|
| iscyg.1 | ⊢ 𝐵 = (Base‘𝐺) |
| iscyg.2 | ⊢ · = (.g‘𝐺) |
| Ref | Expression |
|---|---|
| iscyg3 | ⊢ (𝐺 ∈ CycGrp ↔ (𝐺 ∈ Grp ∧ ∃𝑥 ∈ 𝐵 ∀𝑦 ∈ 𝐵 ∃𝑛 ∈ ℤ 𝑦 = (𝑛 · 𝑥))) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | iscyg.1 | . . 3 ⊢ 𝐵 = (Base‘𝐺) | |
| 2 | iscyg.2 | . . 3 ⊢ · = (.g‘𝐺) | |
| 3 | 1, 2 | iscyg 19940 | . 2 ⊢ (𝐺 ∈ CycGrp ↔ (𝐺 ∈ Grp ∧ ∃𝑥 ∈ 𝐵 ran (𝑛 ∈ ℤ ↦ (𝑛 · 𝑥)) = 𝐵)) |
| 4 | 1, 2 | mulgcl 19148 | . . . . . . . . 9 ⊢ ((𝐺 ∈ Grp ∧ 𝑛 ∈ ℤ ∧ 𝑥 ∈ 𝐵) → (𝑛 · 𝑥) ∈ 𝐵) |
| 5 | 4 | 3expa 1134 | . . . . . . . 8 ⊢ (((𝐺 ∈ Grp ∧ 𝑛 ∈ ℤ) ∧ 𝑥 ∈ 𝐵) → (𝑛 · 𝑥) ∈ 𝐵) |
| 6 | 5 | an32s 664 | . . . . . . 7 ⊢ (((𝐺 ∈ Grp ∧ 𝑥 ∈ 𝐵) ∧ 𝑛 ∈ ℤ) → (𝑛 · 𝑥) ∈ 𝐵) |
| 7 | 6 | fmpttd 7100 | . . . . . 6 ⊢ ((𝐺 ∈ Grp ∧ 𝑥 ∈ 𝐵) → (𝑛 ∈ ℤ ↦ (𝑛 · 𝑥)):ℤ⟶𝐵) |
| 8 | frn 6703 | . . . . . 6 ⊢ ((𝑛 ∈ ℤ ↦ (𝑛 · 𝑥)):ℤ⟶𝐵 → ran (𝑛 ∈ ℤ ↦ (𝑛 · 𝑥)) ⊆ 𝐵) | |
| 9 | eqss 3954 | . . . . . . 7 ⊢ (ran (𝑛 ∈ ℤ ↦ (𝑛 · 𝑥)) = 𝐵 ↔ (ran (𝑛 ∈ ℤ ↦ (𝑛 · 𝑥)) ⊆ 𝐵 ∧ 𝐵 ⊆ ran (𝑛 ∈ ℤ ↦ (𝑛 · 𝑥)))) | |
| 10 | 9 | baib 544 | . . . . . 6 ⊢ (ran (𝑛 ∈ ℤ ↦ (𝑛 · 𝑥)) ⊆ 𝐵 → (ran (𝑛 ∈ ℤ ↦ (𝑛 · 𝑥)) = 𝐵 ↔ 𝐵 ⊆ ran (𝑛 ∈ ℤ ↦ (𝑛 · 𝑥)))) |
| 11 | 7, 8, 10 | 3syl 19 | . . . . 5 ⊢ ((𝐺 ∈ Grp ∧ 𝑥 ∈ 𝐵) → (ran (𝑛 ∈ ℤ ↦ (𝑛 · 𝑥)) = 𝐵 ↔ 𝐵 ⊆ ran (𝑛 ∈ ℤ ↦ (𝑛 · 𝑥)))) |
| 12 | dfss3 3928 | . . . . . 6 ⊢ (𝐵 ⊆ ran (𝑛 ∈ ℤ ↦ (𝑛 · 𝑥)) ↔ ∀𝑦 ∈ 𝐵 𝑦 ∈ ran (𝑛 ∈ ℤ ↦ (𝑛 · 𝑥))) | |
| 13 | eqid 2765 | . . . . . . . 8 ⊢ (𝑛 ∈ ℤ ↦ (𝑛 · 𝑥)) = (𝑛 ∈ ℤ ↦ (𝑛 · 𝑥)) | |
| 14 | ovex 7433 | . . . . . . . 8 ⊢ (𝑛 · 𝑥) ∈ V | |
| 15 | 13, 14 | elrnmpti 5943 | . . . . . . 7 ⊢ (𝑦 ∈ ran (𝑛 ∈ ℤ ↦ (𝑛 · 𝑥)) ↔ ∃𝑛 ∈ ℤ 𝑦 = (𝑛 · 𝑥)) |
| 16 | 15 | ralbii 3111 | . . . . . 6 ⊢ (∀𝑦 ∈ 𝐵 𝑦 ∈ ran (𝑛 ∈ ℤ ↦ (𝑛 · 𝑥)) ↔ ∀𝑦 ∈ 𝐵 ∃𝑛 ∈ ℤ 𝑦 = (𝑛 · 𝑥)) |
| 17 | 12, 16 | bitri 278 | . . . . 5 ⊢ (𝐵 ⊆ ran (𝑛 ∈ ℤ ↦ (𝑛 · 𝑥)) ↔ ∀𝑦 ∈ 𝐵 ∃𝑛 ∈ ℤ 𝑦 = (𝑛 · 𝑥)) |
| 18 | 11, 17 | bitrdi 290 | . . . 4 ⊢ ((𝐺 ∈ Grp ∧ 𝑥 ∈ 𝐵) → (ran (𝑛 ∈ ℤ ↦ (𝑛 · 𝑥)) = 𝐵 ↔ ∀𝑦 ∈ 𝐵 ∃𝑛 ∈ ℤ 𝑦 = (𝑛 · 𝑥))) |
| 19 | 18 | rexbidva 3187 | . . 3 ⊢ (𝐺 ∈ Grp → (∃𝑥 ∈ 𝐵 ran (𝑛 ∈ ℤ ↦ (𝑛 · 𝑥)) = 𝐵 ↔ ∃𝑥 ∈ 𝐵 ∀𝑦 ∈ 𝐵 ∃𝑛 ∈ ℤ 𝑦 = (𝑛 · 𝑥))) |
| 20 | 19 | pm5.32i 584 | . 2 ⊢ ((𝐺 ∈ Grp ∧ ∃𝑥 ∈ 𝐵 ran (𝑛 ∈ ℤ ↦ (𝑛 · 𝑥)) = 𝐵) ↔ (𝐺 ∈ Grp ∧ ∃𝑥 ∈ 𝐵 ∀𝑦 ∈ 𝐵 ∃𝑛 ∈ ℤ 𝑦 = (𝑛 · 𝑥))) |
| 21 | 3, 20 | bitri 278 | 1 ⊢ (𝐺 ∈ CycGrp ↔ (𝐺 ∈ Grp ∧ ∃𝑥 ∈ 𝐵 ∀𝑦 ∈ 𝐵 ∃𝑛 ∈ ℤ 𝑦 = (𝑛 · 𝑥))) |
| Colors of variables: wff setvar class |
| Syntax hints: ↔ wb 209 ∧ wa 400 = wceq 1563 ∈ wcel 2145 ∀wral 3079 ∃wrex 3089 ⊆ wss 3907 ↦ cmpt 5186 ran crn 5653 ⟶wf 6521 ‘cfv 6525 (class class class)co 7400 ℤcz 12582 Basecbs 17259 Grpcgrp 18990 .gcmg 19124 CycGrpccyg 19938 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1818 ax-4 1832 ax-5 1933 ax-6 1990 ax-7 2031 ax-8 2147 ax-9 2155 ax-10 2178 ax-11 2194 ax-12 2215 ax-ext 2737 ax-sep 5251 ax-nul 5261 ax-pow 5327 ax-pr 5395 ax-un 7722 ax-cnex 11144 ax-resscn 11145 ax-1cn 11146 ax-icn 11147 ax-addcl 11148 ax-addrcl 11149 ax-mulcl 11150 ax-mulrcl 11151 ax-mulcom 11152 ax-addass 11153 ax-mulass 11154 ax-distr 11155 ax-i2m1 11156 ax-1ne0 11157 ax-1rid 11158 ax-rnegex 11159 ax-rrecex 11160 ax-cnre 11161 ax-pre-lttri 11162 ax-pre-lttrn 11163 ax-pre-ltadd 11164 ax-pre-mulgt0 11165 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3or 1102 df-3an 1103 df-tru 1566 df-fal 1576 df-ex 1803 df-nf 1807 df-sb 2094 df-mo 2569 df-eu 2599 df-clab 2744 df-cleq 2757 df-clel 2840 df-nfc 2914 df-ne 2961 df-nel 3065 df-ral 3080 df-rex 3090 df-rmo 3370 df-reu 3371 df-rab 3418 df-v 3459 df-sbc 3748 df-csb 3856 df-dif 3910 df-un 3912 df-in 3914 df-ss 3924 df-pss 3927 df-nul 4289 df-if 4484 df-pw 4560 df-sn 4586 df-pr 4588 df-op 4592 df-uni 4869 df-iun 4954 df-br 5106 df-opab 5168 df-mpt 5187 df-tr 5213 df-id 5547 df-eprel 5552 df-po 5560 df-so 5561 df-fr 5605 df-we 5607 df-xp 5658 df-rel 5659 df-cnv 5660 df-co 5661 df-dm 5662 df-rn 5663 df-res 5664 df-ima 5665 df-pred 6292 df-ord 6353 df-on 6354 df-lim 6355 df-suc 6356 df-iota 6481 df-fun 6527 df-fn 6528 df-f 6529 df-f1 6530 df-fo 6531 df-f1o 6532 df-fv 6533 df-riota 7357 df-ov 7403 df-oprab 7404 df-mpo 7405 df-om 7851 df-1st 7974 df-2nd 7975 df-frecs 8266 df-wrecs 8297 df-recs 8346 df-rdg 8385 df-er 8682 df-en 8932 df-dom 8933 df-sdom 8934 df-pnf 11233 df-mnf 11234 df-xr 11235 df-ltxr 11236 df-le 11237 df-sub 11431 df-neg 11432 df-nn 12225 df-n0 12496 df-z 12583 df-uz 12854 df-fz 13527 df-seq 14029 df-0g 17484 df-mgm 18688 df-sgrp 18767 df-mnd 18783 df-grp 18993 df-minusg 18994 df-mulg 19125 df-cyg 19939 |
| This theorem is referenced by: cygabl 19952 |
| Copyright terms: Public domain | W3C validator |