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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 18957 | . 2 ⊢ ((𝐺 ∈ Grp ∧ 𝑋 ∈ 𝐵) → (𝑁‘𝑋) ∈ 𝐵) |
| 6 | 1, 2, 5 | syl2anc 585 | 1 ⊢ (𝜑 → (𝑁‘𝑋) ∈ 𝐵) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 = wceq 1542 ∈ wcel 2114 ‘cfv 6493 Basecbs 17173 Grpcgrp 18903 invgcminusg 18904 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-9 2124 ax-10 2147 ax-11 2163 ax-12 2185 ax-ext 2709 ax-sep 5232 ax-nul 5242 ax-pow 5303 ax-pr 5371 ax-un 7683 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3an 1089 df-tru 1545 df-fal 1555 df-ex 1782 df-nf 1786 df-sb 2069 df-mo 2540 df-eu 2570 df-clab 2716 df-cleq 2729 df-clel 2812 df-nfc 2886 df-ne 2934 df-ral 3053 df-rex 3063 df-rmo 3343 df-reu 3344 df-rab 3391 df-v 3432 df-sbc 3730 df-dif 3893 df-un 3895 df-in 3897 df-ss 3907 df-nul 4275 df-if 4468 df-pw 4544 df-sn 4569 df-pr 4571 df-op 4575 df-uni 4852 df-br 5087 df-opab 5149 df-mpt 5168 df-id 5520 df-xp 5631 df-rel 5632 df-cnv 5633 df-co 5634 df-dm 5635 df-rn 5636 df-res 5637 df-ima 5638 df-iota 6449 df-fun 6495 df-fn 6496 df-f 6497 df-fv 6501 df-riota 7318 df-ov 7364 df-0g 17398 df-mgm 18602 df-sgrp 18681 df-mnd 18697 df-grp 18906 df-minusg 18907 |
| This theorem is referenced by: grpraddf1o 18984 xpsinv 19030 eqger 19147 conjnmz 19221 ghmqusnsglem1 19249 ghmquskerlem1 19252 rngmneg1 20142 rngmneg2 20143 rngm2neg 20144 rngsubdi 20146 rngsubdir 20147 cntzsubrng 20538 lssvnegcl 20945 mhpinvcl 22131 gsummulsubdishift2 33148 fxpsubg 33252 ringm1expp1 33313 rloccring 33349 qsdrngilem 33572 ply1dg1rt 33658 r1padd1 33686 vietalem 33741 vieta 33742 ply1divalg3 35843 grpcominv1 42970 |
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