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| Mirrors > Home > MPE Home > Th. List > grpinvcld | Structured version Visualization version GIF version | ||
| Description: A group element's inverse is a group element. (Contributed by SN, 29-Jan-2025.) |
| Ref | Expression |
|---|---|
| grpinvcld.b | ⊢ 𝐵 = (Base‘𝐺) |
| grpinvcld.n | ⊢ 𝑁 = (invg‘𝐺) |
| grpinvcld.g | ⊢ (𝜑 → 𝐺 ∈ Grp) |
| grpinvcld.1 | ⊢ (𝜑 → 𝑋 ∈ 𝐵) |
| Ref | Expression |
|---|---|
| grpinvcld | ⊢ (𝜑 → (𝑁‘𝑋) ∈ 𝐵) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | grpinvcld.g | . 2 ⊢ (𝜑 → 𝐺 ∈ Grp) | |
| 2 | grpinvcld.1 | . 2 ⊢ (𝜑 → 𝑋 ∈ 𝐵) | |
| 3 | grpinvcld.b | . . 3 ⊢ 𝐵 = (Base‘𝐺) | |
| 4 | grpinvcld.n | . . 3 ⊢ 𝑁 = (invg‘𝐺) | |
| 5 | 3, 4 | grpinvcl 18915 | . 2 ⊢ ((𝐺 ∈ Grp ∧ 𝑋 ∈ 𝐵) → (𝑁‘𝑋) ∈ 𝐵) |
| 6 | 1, 2, 5 | syl2anc 584 | 1 ⊢ (𝜑 → (𝑁‘𝑋) ∈ 𝐵) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 = wceq 1541 ∈ wcel 2113 ‘cfv 6490 Basecbs 17134 Grpcgrp 18861 invgcminusg 18862 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1911 ax-6 1968 ax-7 2009 ax-8 2115 ax-9 2123 ax-10 2146 ax-11 2162 ax-12 2182 ax-ext 2706 ax-sep 5239 ax-nul 5249 ax-pow 5308 ax-pr 5375 ax-un 7678 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3an 1088 df-tru 1544 df-fal 1554 df-ex 1781 df-nf 1785 df-sb 2068 df-mo 2537 df-eu 2567 df-clab 2713 df-cleq 2726 df-clel 2809 df-nfc 2883 df-ne 2931 df-ral 3050 df-rex 3059 df-rmo 3348 df-reu 3349 df-rab 3398 df-v 3440 df-sbc 3739 df-dif 3902 df-un 3904 df-in 3906 df-ss 3916 df-nul 4284 df-if 4478 df-pw 4554 df-sn 4579 df-pr 4581 df-op 4585 df-uni 4862 df-br 5097 df-opab 5159 df-mpt 5178 df-id 5517 df-xp 5628 df-rel 5629 df-cnv 5630 df-co 5631 df-dm 5632 df-rn 5633 df-res 5634 df-ima 5635 df-iota 6446 df-fun 6492 df-fn 6493 df-f 6494 df-fv 6498 df-riota 7313 df-ov 7359 df-0g 17359 df-mgm 18563 df-sgrp 18642 df-mnd 18658 df-grp 18864 df-minusg 18865 |
| This theorem is referenced by: grpraddf1o 18942 xpsinv 18988 eqger 19105 conjnmz 19179 ghmqusnsglem1 19207 ghmquskerlem1 19210 rngmneg1 20100 rngmneg2 20101 rngm2neg 20102 rngsubdi 20104 rngsubdir 20105 cntzsubrng 20498 lssvnegcl 20905 mhpinvcl 22093 gsummulsubdishift2 33101 fxpsubg 33204 ringm1expp1 33265 rloccring 33301 qsdrngilem 33524 ply1dg1rt 33610 r1padd1 33638 vietalem 33684 vieta 33685 ply1divalg3 35785 grpcominv1 42705 |
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