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| Mirrors > Home > MPE Home > Th. List > iscyggen2 | Structured version Visualization version GIF version | ||
| Description: The property of being a cyclic generator for a group. (Contributed by Mario Carneiro, 21-Apr-2016.) |
| Ref | Expression |
|---|---|
| iscyg.1 | ⊢ 𝐵 = (Base‘𝐺) |
| iscyg.2 | ⊢ · = (.g‘𝐺) |
| iscyg3.e | ⊢ 𝐸 = {𝑥 ∈ 𝐵 ∣ ran (𝑛 ∈ ℤ ↦ (𝑛 · 𝑥)) = 𝐵} |
| Ref | Expression |
|---|---|
| iscyggen2 | ⊢ (𝐺 ∈ Grp → (𝑋 ∈ 𝐸 ↔ (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 | iscyg3.e | . . 3 ⊢ 𝐸 = {𝑥 ∈ 𝐵 ∣ ran (𝑛 ∈ ℤ ↦ (𝑛 · 𝑥)) = 𝐵} | |
| 4 | 1, 2, 3 | iscyggen 20106 | . 2 ⊢ (𝑋 ∈ 𝐸 ↔ (𝑋 ∈ 𝐵 ∧ ran (𝑛 ∈ ℤ ↦ (𝑛 · 𝑋)) = 𝐵)) |
| 5 | 1, 2 | mulgcl 19313 | . . . . . . . 8 ⊢ ((𝐺 ∈ Grp ∧ 𝑛 ∈ ℤ ∧ 𝑋 ∈ 𝐵) → (𝑛 · 𝑋) ∈ 𝐵) |
| 6 | 5 | 3expa 1136 | . . . . . . 7 ⊢ (((𝐺 ∈ Grp ∧ 𝑛 ∈ ℤ) ∧ 𝑋 ∈ 𝐵) → (𝑛 · 𝑋) ∈ 𝐵) |
| 7 | 6 | an32s 665 | . . . . . 6 ⊢ (((𝐺 ∈ Grp ∧ 𝑋 ∈ 𝐵) ∧ 𝑛 ∈ ℤ) → (𝑛 · 𝑋) ∈ 𝐵) |
| 8 | 7 | fmpttd 7123 | . . . . 5 ⊢ ((𝐺 ∈ Grp ∧ 𝑋 ∈ 𝐵) → (𝑛 ∈ ℤ ↦ (𝑛 · 𝑋)):ℤ⟶𝐵) |
| 9 | frn 6725 | . . . . 5 ⊢ ((𝑛 ∈ ℤ ↦ (𝑛 · 𝑋)):ℤ⟶𝐵 → ran (𝑛 ∈ ℤ ↦ (𝑛 · 𝑋)) ⊆ 𝐵) | |
| 10 | eqss 3927 | . . . . . 6 ⊢ (ran (𝑛 ∈ ℤ ↦ (𝑛 · 𝑋)) = 𝐵 ↔ (ran (𝑛 ∈ ℤ ↦ (𝑛 · 𝑋)) ⊆ 𝐵 ∧ 𝐵 ⊆ ran (𝑛 ∈ ℤ ↦ (𝑛 · 𝑋)))) | |
| 11 | 10 | baib 545 | . . . . 5 ⊢ (ran (𝑛 ∈ ℤ ↦ (𝑛 · 𝑋)) ⊆ 𝐵 → (ran (𝑛 ∈ ℤ ↦ (𝑛 · 𝑋)) = 𝐵 ↔ 𝐵 ⊆ ran (𝑛 ∈ ℤ ↦ (𝑛 · 𝑋)))) |
| 12 | 8, 9, 11 | 3syl 19 | . . . 4 ⊢ ((𝐺 ∈ Grp ∧ 𝑋 ∈ 𝐵) → (ran (𝑛 ∈ ℤ ↦ (𝑛 · 𝑋)) = 𝐵 ↔ 𝐵 ⊆ ran (𝑛 ∈ ℤ ↦ (𝑛 · 𝑋)))) |
| 13 | dfss3 3901 | . . . . 5 ⊢ (𝐵 ⊆ ran (𝑛 ∈ ℤ ↦ (𝑛 · 𝑋)) ↔ ∀𝑦 ∈ 𝐵 𝑦 ∈ ran (𝑛 ∈ ℤ ↦ (𝑛 · 𝑋))) | |
| 14 | eqid 2763 | . . . . . . 7 ⊢ (𝑛 ∈ ℤ ↦ (𝑛 · 𝑋)) = (𝑛 ∈ ℤ ↦ (𝑛 · 𝑋)) | |
| 15 | ovex 7460 | . . . . . . 7 ⊢ (𝑛 · 𝑋) ∈ V | |
| 16 | 14, 15 | elrnmpti 5948 | . . . . . 6 ⊢ (𝑦 ∈ ran (𝑛 ∈ ℤ ↦ (𝑛 · 𝑋)) ↔ ∃𝑛 ∈ ℤ 𝑦 = (𝑛 · 𝑋)) |
| 17 | 16 | ralbii 3111 | . . . . 5 ⊢ (∀𝑦 ∈ 𝐵 𝑦 ∈ ran (𝑛 ∈ ℤ ↦ (𝑛 · 𝑋)) ↔ ∀𝑦 ∈ 𝐵 ∃𝑛 ∈ ℤ 𝑦 = (𝑛 · 𝑋)) |
| 18 | 13, 17 | bitri 278 | . . . 4 ⊢ (𝐵 ⊆ ran (𝑛 ∈ ℤ ↦ (𝑛 · 𝑋)) ↔ ∀𝑦 ∈ 𝐵 ∃𝑛 ∈ ℤ 𝑦 = (𝑛 · 𝑋)) |
| 19 | 12, 18 | bitrdi 290 | . . 3 ⊢ ((𝐺 ∈ Grp ∧ 𝑋 ∈ 𝐵) → (ran (𝑛 ∈ ℤ ↦ (𝑛 · 𝑋)) = 𝐵 ↔ ∀𝑦 ∈ 𝐵 ∃𝑛 ∈ ℤ 𝑦 = (𝑛 · 𝑋))) |
| 20 | 19 | pm5.32da 590 | . 2 ⊢ (𝐺 ∈ Grp → ((𝑋 ∈ 𝐵 ∧ ran (𝑛 ∈ ℤ ↦ (𝑛 · 𝑋)) = 𝐵) ↔ (𝑋 ∈ 𝐵 ∧ ∀𝑦 ∈ 𝐵 ∃𝑛 ∈ ℤ 𝑦 = (𝑛 · 𝑋)))) |
| 21 | 4, 20 | bitrid 286 | 1 ⊢ (𝐺 ∈ Grp → (𝑋 ∈ 𝐸 ↔ (𝑋 ∈ 𝐵 ∧ ∀𝑦 ∈ 𝐵 ∃𝑛 ∈ ℤ 𝑦 = (𝑛 · 𝑋)))) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ↔ wb 209 ∧ wa 401 = wceq 1569 ∈ wcel 2146 ∀wral 3079 ∃wrex 3089 {crab 3415 ⊆ wss 3899 ↦ cmpt 5188 ran crn 5655 ⟶wf 6542 ‘cfv 6546 (class class class)co 7427 ℤcz 12703 Basecbs 17399 Grpcgrp 19156 .gcmg 19289 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1827 ax-4 1841 ax-5 1944 ax-6 2001 ax-7 2042 ax-8 2148 ax-9 2156 ax-10 2179 ax-11 2196 ax-12 2215 ax-ext 2735 ax-sep 5251 ax-nul 5262 ax-pow 5330 ax-pr 5394 ax-un 7758 ax-cnex 11266 ax-resscn 11267 ax-1cn 11268 ax-icn 11269 ax-addcl 11270 ax-addrcl 11271 ax-mulcl 11272 ax-mulrcl 11273 ax-mulcom 11274 ax-addass 11275 ax-mulass 11276 ax-distr 11277 ax-i2m1 11278 ax-1ne0 11279 ax-1rid 11280 ax-rnegex 11281 ax-rrecex 11282 ax-cnre 11283 ax-pre-lttri 11284 ax-pre-lttrn 11285 ax-pre-ltadd 11286 ax-pre-mulgt0 11287 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1572 df-fal 1582 df-ex 1812 df-nf 1816 df-sb 2101 df-mo 2567 df-eu 2597 df-clab 2742 df-cleq 2755 df-clel 2838 df-nfc 2912 df-ne 2959 df-nel 3065 df-ral 3080 df-rex 3090 df-rmo 3368 df-reu 3369 df-rab 3416 df-v 3455 df-sbc 3742 df-csb 3851 df-ss 3900 df-pss 4016 df-dif 4049 df-in 4093 df-un 4153 df-nul 4281 df-if 4485 df-pw 4561 df-sn 4588 df-pr 4590 df-op 4838 df-uni 4870 df-iun 4955 df-br 5106 df-opab 5170 df-mpt 5189 df-tr 5215 df-id 5549 df-eprel 5554 df-po 5562 df-so 5563 df-fr 5607 df-we 5609 df-xp 5660 df-rel 5661 df-cnv 5662 df-co 5663 df-dm 5664 df-rn 5665 df-res 5666 df-ima 5667 df-pred 6310 df-ord 6371 df-on 6372 df-lim 6373 df-suc 6374 df-iota 6500 df-fun 6548 df-fn 6549 df-f 6550 df-f1 6551 df-fo 6552 df-f1o 6553 df-fv 6554 df-riota 7384 df-ov 7430 df-oprab 7431 df-mpo 7432 df-om 7885 df-1st 8008 df-2nd 8009 df-frecs 8310 df-wrecs 8341 df-recs 8390 df-rdg 8429 df-er 8728 df-en 8985 df-dom 8986 df-sdom 8987 df-pnf 11355 df-mnf 11356 df-xr 11357 df-ltxr 11358 df-le 11359 df-sub 11553 df-neg 11554 df-nn 12346 df-n0 12617 df-z 12704 df-uz 12976 df-fz 13650 df-seq 14155 df-0g 17624 df-mgm 18828 df-sgrp 18920 df-mnd 18936 df-grp 19159 df-minusg 19160 df-mulg 19290 |
| This theorem is used by: cyggeninv 20109 iscygd 20113 cygznlem3 21887 |
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