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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 19027 | . 2 ⊢ ((𝐺 ∈ Grp ∧ 𝑋 ∈ 𝐵) → (𝑁‘𝑋) ∈ 𝐵) |
6 | 1, 2, 5 | syl2anc 583 | 1 ⊢ (𝜑 → (𝑁‘𝑋) ∈ 𝐵) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 = wceq 1537 ∈ wcel 2108 ‘cfv 6573 Basecbs 17258 Grpcgrp 18973 invgcminusg 18974 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1793 ax-4 1807 ax-5 1909 ax-6 1967 ax-7 2007 ax-8 2110 ax-9 2118 ax-10 2141 ax-11 2158 ax-12 2178 ax-ext 2711 ax-sep 5317 ax-nul 5324 ax-pow 5383 ax-pr 5447 ax-un 7770 |
This theorem depends on definitions: df-bi 207 df-an 396 df-or 847 df-3an 1089 df-tru 1540 df-fal 1550 df-ex 1778 df-nf 1782 df-sb 2065 df-mo 2543 df-eu 2572 df-clab 2718 df-cleq 2732 df-clel 2819 df-nfc 2895 df-ne 2947 df-ral 3068 df-rex 3077 df-rmo 3388 df-reu 3389 df-rab 3444 df-v 3490 df-sbc 3805 df-dif 3979 df-un 3981 df-in 3983 df-ss 3993 df-nul 4353 df-if 4549 df-pw 4624 df-sn 4649 df-pr 4651 df-op 4655 df-uni 4932 df-br 5167 df-opab 5229 df-mpt 5250 df-id 5593 df-xp 5706 df-rel 5707 df-cnv 5708 df-co 5709 df-dm 5710 df-rn 5711 df-res 5712 df-ima 5713 df-iota 6525 df-fun 6575 df-fn 6576 df-f 6577 df-fv 6581 df-riota 7404 df-ov 7451 df-0g 17501 df-mgm 18678 df-sgrp 18757 df-mnd 18773 df-grp 18976 df-minusg 18977 |
This theorem is referenced by: grpraddf1o 19054 xpsinv 19100 eqger 19218 conjnmz 19292 ghmqusnsglem1 19320 ghmquskerlem1 19323 rngmneg1 20194 rngmneg2 20195 rngm2neg 20196 rngsubdi 20198 rngsubdir 20199 cntzsubrng 20593 lssvnegcl 20977 mhpinvcl 22179 rloccring 33242 qsdrngilem 33487 ply1dg1rt 33569 r1padd1 33593 ply1divalg3 35610 grpcominv1 42463 |
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