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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 2206 | . . 3 ⊢ (invg‘𝐺) = (invg‘𝐺) | |
| 5 | 1, 2, 3, 4 | grplactcnv 13509 | . 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 1373 ∈ wcel 2177 ↦ cmpt 4113 ◡ccnv 4682 –1-1-onto→wf1o 5279 ‘cfv 5280 (class class class)co 5957 Basecbs 12907 +gcplusg 12984 Grpcgrp 13407 invgcminusg 13408 |
| 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 711 ax-5 1471 ax-7 1472 ax-gen 1473 ax-ie1 1517 ax-ie2 1518 ax-8 1528 ax-10 1529 ax-11 1530 ax-i12 1531 ax-bndl 1533 ax-4 1534 ax-17 1550 ax-i9 1554 ax-ial 1558 ax-i5r 1559 ax-13 2179 ax-14 2180 ax-ext 2188 ax-coll 4167 ax-sep 4170 ax-pow 4226 ax-pr 4261 ax-un 4488 ax-cnex 8036 ax-resscn 8037 ax-1re 8039 ax-addrcl 8042 |
| This theorem depends on definitions: df-bi 117 df-3an 983 df-tru 1376 df-nf 1485 df-sb 1787 df-eu 2058 df-mo 2059 df-clab 2193 df-cleq 2199 df-clel 2202 df-nfc 2338 df-ral 2490 df-rex 2491 df-reu 2492 df-rmo 2493 df-rab 2494 df-v 2775 df-sbc 3003 df-csb 3098 df-un 3174 df-in 3176 df-ss 3183 df-pw 3623 df-sn 3644 df-pr 3645 df-op 3647 df-uni 3857 df-int 3892 df-iun 3935 df-br 4052 df-opab 4114 df-mpt 4115 df-id 4348 df-xp 4689 df-rel 4690 df-cnv 4691 df-co 4692 df-dm 4693 df-rn 4694 df-res 4695 df-ima 4696 df-iota 5241 df-fun 5282 df-fn 5283 df-f 5284 df-f1 5285 df-fo 5286 df-f1o 5287 df-fv 5288 df-riota 5912 df-ov 5960 df-inn 9057 df-2 9115 df-ndx 12910 df-slot 12911 df-base 12913 df-plusg 12997 df-0g 13165 df-mgm 13263 df-sgrp 13309 df-mnd 13324 df-grp 13410 df-minusg 13411 |
| This theorem is referenced by: eqgen 13638 |
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