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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 18954 | . 2 ⊢ ((𝐺 ∈ Grp ∧ 𝑋 ∈ 𝐵) → (𝑁‘𝑋) ∈ 𝐵) |
| 6 | 1, 2, 5 | syl2anc 590 | 1 ⊢ (𝜑 → (𝑁‘𝑋) ∈ 𝐵) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 = wceq 1547 ∈ wcel 2119 ‘cfv 6485 Basecbs 17170 Grpcgrp 18900 invgcminusg 18901 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1802 ax-4 1816 ax-5 1917 ax-6 1974 ax-7 2015 ax-8 2121 ax-9 2129 ax-10 2152 ax-11 2168 ax-12 2189 ax-ext 2711 ax-sep 5218 ax-nul 5228 ax-pow 5294 ax-pr 5362 ax-un 7678 |
| This theorem depends on definitions: df-bi 208 df-an 397 df-or 854 df-3an 1094 df-tru 1550 df-fal 1560 df-ex 1787 df-nf 1791 df-sb 2074 df-mo 2543 df-eu 2573 df-clab 2718 df-cleq 2731 df-clel 2814 df-nfc 2888 df-ne 2935 df-ral 3054 df-rex 3064 df-rmo 3344 df-reu 3345 df-rab 3392 df-v 3433 df-sbc 3724 df-dif 3886 df-un 3888 df-in 3890 df-ss 3900 df-nul 4262 df-if 4455 df-pw 4531 df-sn 4556 df-pr 4558 df-op 4562 df-uni 4839 df-br 5073 df-opab 5135 df-mpt 5154 df-id 5513 df-xp 5624 df-rel 5625 df-cnv 5626 df-co 5627 df-dm 5628 df-rn 5629 df-res 5630 df-ima 5631 df-iota 6441 df-fun 6487 df-fn 6488 df-f 6489 df-fv 6493 df-riota 7313 df-ov 7359 df-0g 17395 df-mgm 18599 df-sgrp 18678 df-mnd 18694 df-grp 18903 df-minusg 18904 |
| This theorem is referenced by: grpraddf1o 18981 xpsinv 19027 eqger 19144 conjnmz 19218 ghmqusnsglem1 19246 ghmquskerlem1 19249 rngmneg1 20139 rngmneg2 20140 rngm2neg 20141 rngsubdi 20143 rngsubdir 20144 cntzsubrng 20539 lssvnegcl 20946 mhpinvcl 22140 gsummulsubdishift2 33150 fxpsubg 33254 ringm1expp1 33315 rloccring 33351 qsdrngilem 33577 ply1dg1rt 33663 r1padd1 33691 vietalem 33763 vieta 33764 ply1divalg3 35870 grpcominv1 42998 |
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