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| Mirrors > Home > ILE Home > Th. List > grplactf1o | GIF version | ||
| Description: The left group action of element 𝐴 of group 𝐺 maps the underlying set 𝑋 of 𝐺 one-to-one onto itself. (Contributed by Paul Chapman, 18-Mar-2008.) (Proof shortened by Mario Carneiro, 14-Aug-2015.) |
| Ref | Expression |
|---|---|
| grplact.1 | ⊢ 𝐹 = (𝑔 ∈ 𝑋 ↦ (𝑎 ∈ 𝑋 ↦ (𝑔 + 𝑎))) |
| grplact.2 | ⊢ 𝑋 = (Base‘𝐺) |
| grplact.3 | ⊢ + = (+g‘𝐺) |
| Ref | Expression |
|---|---|
| grplactf1o | ⊢ ((𝐺 ∈ Grp ∧ 𝐴 ∈ 𝑋) → (𝐹‘𝐴):𝑋–1-1-onto→𝑋) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | grplact.1 | . . 3 ⊢ 𝐹 = (𝑔 ∈ 𝑋 ↦ (𝑎 ∈ 𝑋 ↦ (𝑔 + 𝑎))) | |
| 2 | grplact.2 | . . 3 ⊢ 𝑋 = (Base‘𝐺) | |
| 3 | grplact.3 | . . 3 ⊢ + = (+g‘𝐺) | |
| 4 | eqid 2229 | . . 3 ⊢ (invg‘𝐺) = (invg‘𝐺) | |
| 5 | 1, 2, 3, 4 | grplactcnv 13656 | . 2 ⊢ ((𝐺 ∈ Grp ∧ 𝐴 ∈ 𝑋) → ((𝐹‘𝐴):𝑋–1-1-onto→𝑋 ∧ ◡(𝐹‘𝐴) = (𝐹‘((invg‘𝐺)‘𝐴)))) |
| 6 | 5 | simpld 112 | 1 ⊢ ((𝐺 ∈ Grp ∧ 𝐴 ∈ 𝑋) → (𝐹‘𝐴):𝑋–1-1-onto→𝑋) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 ∧ wa 104 = wceq 1395 ∈ wcel 2200 ↦ cmpt 4145 ◡ccnv 4719 –1-1-onto→wf1o 5320 ‘cfv 5321 (class class class)co 6010 Basecbs 13053 +gcplusg 13131 Grpcgrp 13554 invgcminusg 13555 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-io 714 ax-5 1493 ax-7 1494 ax-gen 1495 ax-ie1 1539 ax-ie2 1540 ax-8 1550 ax-10 1551 ax-11 1552 ax-i12 1553 ax-bndl 1555 ax-4 1556 ax-17 1572 ax-i9 1576 ax-ial 1580 ax-i5r 1581 ax-13 2202 ax-14 2203 ax-ext 2211 ax-coll 4199 ax-sep 4202 ax-pow 4259 ax-pr 4294 ax-un 4525 ax-cnex 8106 ax-resscn 8107 ax-1re 8109 ax-addrcl 8112 |
| This theorem depends on definitions: df-bi 117 df-3an 1004 df-tru 1398 df-nf 1507 df-sb 1809 df-eu 2080 df-mo 2081 df-clab 2216 df-cleq 2222 df-clel 2225 df-nfc 2361 df-ral 2513 df-rex 2514 df-reu 2515 df-rmo 2516 df-rab 2517 df-v 2801 df-sbc 3029 df-csb 3125 df-un 3201 df-in 3203 df-ss 3210 df-pw 3651 df-sn 3672 df-pr 3673 df-op 3675 df-uni 3889 df-int 3924 df-iun 3967 df-br 4084 df-opab 4146 df-mpt 4147 df-id 4385 df-xp 4726 df-rel 4727 df-cnv 4728 df-co 4729 df-dm 4730 df-rn 4731 df-res 4732 df-ima 4733 df-iota 5281 df-fun 5323 df-fn 5324 df-f 5325 df-f1 5326 df-fo 5327 df-f1o 5328 df-fv 5329 df-riota 5963 df-ov 6013 df-inn 9127 df-2 9185 df-ndx 13056 df-slot 13057 df-base 13059 df-plusg 13144 df-0g 13312 df-mgm 13410 df-sgrp 13456 df-mnd 13471 df-grp 13557 df-minusg 13558 |
| This theorem is referenced by: eqgen 13785 |
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