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| Mirrors > Home > MPE Home > Th. List > elsymgbas | Structured version Visualization version GIF version | ||
| Description: Two ways of saying a function is a 1-1-onto mapping of A to itself. (Contributed by Paul Chapman, 25-Feb-2008.) (Revised by Mario Carneiro, 28-Jan-2015.) |
| Ref | Expression |
|---|---|
| symgbas.1 | ⊢ 𝐺 = (SymGrp‘𝐴) |
| symgbas.2 | ⊢ 𝐵 = (Base‘𝐺) |
| Ref | Expression |
|---|---|
| elsymgbas | ⊢ (𝐴 ∈ 𝑉 → (𝐹 ∈ 𝐵 ↔ 𝐹:𝐴–1-1-onto→𝐴)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | elex 3471 | . . 3 ⊢ (𝐹 ∈ 𝐵 → 𝐹 ∈ V) | |
| 2 | 1 | a1i 11 | . 2 ⊢ (𝐴 ∈ 𝑉 → (𝐹 ∈ 𝐵 → 𝐹 ∈ V)) |
| 3 | f1of 6827 | . . 3 ⊢ (𝐹:𝐴–1-1-onto→𝐴 → 𝐹:𝐴⟶𝐴) | |
| 4 | fex 7234 | . . . 4 ⊢ ((𝐹:𝐴⟶𝐴 ∧ 𝐴 ∈ 𝑉) → 𝐹 ∈ V) | |
| 5 | 4 | expcom 419 | . . 3 ⊢ (𝐴 ∈ 𝑉 → (𝐹:𝐴⟶𝐴 → 𝐹 ∈ V)) |
| 6 | 3, 5 | syl5 35 | . 2 ⊢ (𝐴 ∈ 𝑉 → (𝐹:𝐴–1-1-onto→𝐴 → 𝐹 ∈ V)) |
| 7 | symgbas.1 | . . . 4 ⊢ 𝐺 = (SymGrp‘𝐴) | |
| 8 | symgbas.2 | . . . 4 ⊢ 𝐵 = (Base‘𝐺) | |
| 9 | 7, 8 | elsymgbas2 19594 | . . 3 ⊢ (𝐹 ∈ V → (𝐹 ∈ 𝐵 ↔ 𝐹:𝐴–1-1-onto→𝐴)) |
| 10 | 9 | a1i 11 | . 2 ⊢ (𝐴 ∈ 𝑉 → (𝐹 ∈ V → (𝐹 ∈ 𝐵 ↔ 𝐹:𝐴–1-1-onto→𝐴))) |
| 11 | 2, 6, 10 | pm5.21ndd 382 | 1 ⊢ (𝐴 ∈ 𝑉 → (𝐹 ∈ 𝐵 ↔ 𝐹:𝐴–1-1-onto→𝐴)) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ↔ wb 209 = wceq 1569 ∈ wcel 2144 Vcvv 3450 ⟶wf 6537 –1-1-onto→wf1o 6540 ‘cfv 6541 Basecbs 17394 SymGrpcsymg 19590 |
| 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 1942 ax-6 1999 ax-7 2040 ax-8 2146 ax-9 2154 ax-10 2177 ax-11 2193 ax-12 2212 ax-ext 2732 ax-rep 5231 ax-sep 5248 ax-nul 5259 ax-pow 5326 ax-pr 5390 ax-un 7753 ax-cnex 11261 ax-resscn 11262 ax-1cn 11263 ax-icn 11264 ax-addcl 11265 ax-addrcl 11266 ax-mulcl 11267 ax-mulrcl 11268 ax-mulcom 11269 ax-addass 11270 ax-mulass 11271 ax-distr 11272 ax-i2m1 11273 ax-1ne0 11274 ax-1rid 11275 ax-rnegex 11276 ax-rrecex 11277 ax-cnre 11278 ax-pre-lttri 11279 ax-pre-lttrn 11280 ax-pre-ltadd 11281 ax-pre-mulgt0 11282 |
| 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 2099 df-mo 2564 df-eu 2594 df-clab 2739 df-cleq 2752 df-clel 2835 df-nfc 2909 df-ne 2956 df-nel 3062 df-ral 3077 df-rex 3087 df-reu 3366 df-rab 3413 df-v 3452 df-sbc 3739 df-csb 3848 df-ss 3897 df-pss 4013 df-dif 4046 df-in 4090 df-un 4150 df-nul 4278 df-if 4482 df-pw 4558 df-sn 4585 df-pr 4587 df-tp 4589 df-op 4835 df-uni 4867 df-iun 4952 df-br 5103 df-opab 5167 df-mpt 5186 df-tr 5212 df-id 5545 df-eprel 5550 df-po 5558 df-so 5559 df-fr 5603 df-we 5605 df-xp 5656 df-rel 5657 df-cnv 5658 df-co 5659 df-dm 5660 df-rn 5661 df-res 5662 df-ima 5663 df-pred 6306 df-ord 6367 df-on 6368 df-lim 6369 df-suc 6370 df-iota 6496 df-fun 6543 df-fn 6544 df-f 6545 df-f1 6546 df-fo 6547 df-f1o 6548 df-fv 6549 df-riota 7379 df-ov 7425 df-oprab 7426 df-mpo 7427 df-om 7880 df-1st 8003 df-2nd 8004 df-frecs 8304 df-wrecs 8335 df-recs 8384 df-rdg 8423 df-1o 8481 df-er 8722 df-map 8854 df-en 8979 df-dom 8980 df-sdom 8981 df-fin 8982 df-pnf 11350 df-mnf 11351 df-xr 11352 df-ltxr 11353 df-le 11354 df-sub 11548 df-neg 11549 df-nn 12341 df-2 12410 df-3 12411 df-4 12412 df-5 12413 df-6 12414 df-7 12415 df-8 12416 df-9 12417 df-n0 12612 df-z 12699 df-uz 12971 df-fz 13645 df-struct 17332 df-sets 17349 df-slot 17367 df-ndx 17379 df-base 17395 df-ress 17416 df-plusg 17448 df-tset 17454 df-efmnd 19072 df-symg 19591 |
| This theorem is used by: idresperm 19607 symgpssefmnd 19617 symggrp 19621 galactghm 19625 lactghmga 19626 symgextsymg 19645 mdetunilem7 22940 mdetunilem8 22941 symgtgp 24432 cycpmconjv 33751 cycpmrn 33752 cycpmconjs 33765 cyc3conja 33766 |
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