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| Mirrors > Home > MPE Home > Th. List > grpcld | Structured version Visualization version GIF version | ||
| Description: Closure of the operation of a group. (Contributed by SN, 29-Jul-2024.) |
| Ref | Expression |
|---|---|
| grpcld.b | ⊢ 𝐵 = (Base‘𝐺) |
| grpcld.p | ⊢ + = (+g‘𝐺) |
| grpcld.r | ⊢ (𝜑 → 𝐺 ∈ Grp) |
| grpcld.x | ⊢ (𝜑 → 𝑋 ∈ 𝐵) |
| grpcld.y | ⊢ (𝜑 → 𝑌 ∈ 𝐵) |
| Ref | Expression |
|---|---|
| grpcld | ⊢ (𝜑 → (𝑋 + 𝑌) ∈ 𝐵) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | grpcld.r | . 2 ⊢ (𝜑 → 𝐺 ∈ Grp) | |
| 2 | grpcld.x | . 2 ⊢ (𝜑 → 𝑋 ∈ 𝐵) | |
| 3 | grpcld.y | . 2 ⊢ (𝜑 → 𝑌 ∈ 𝐵) | |
| 4 | grpcld.b | . . 3 ⊢ 𝐵 = (Base‘𝐺) | |
| 5 | grpcld.p | . . 3 ⊢ + = (+g‘𝐺) | |
| 6 | 4, 5 | grpcl 18915 | . 2 ⊢ ((𝐺 ∈ Grp ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) → (𝑋 + 𝑌) ∈ 𝐵) |
| 7 | 1, 2, 3, 6 | syl3anc 1379 | 1 ⊢ (𝜑 → (𝑋 + 𝑌) ∈ 𝐵) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 = wceq 1547 ∈ wcel 2119 ‘cfv 6492 (class class class)co 7363 Basecbs 17177 +gcplusg 17218 Grpcgrp 18907 |
| 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-ext 2712 ax-nul 5235 |
| 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-sb 2074 df-clab 2719 df-cleq 2732 df-clel 2815 df-ne 2936 df-ral 3055 df-rex 3065 df-rab 3393 df-v 3434 df-sbc 3731 df-dif 3893 df-un 3895 df-ss 3907 df-nul 4269 df-if 4462 df-sn 4563 df-pr 4565 df-op 4569 df-uni 4846 df-br 5080 df-iota 6448 df-fv 6500 df-ov 7366 df-mgm 18606 df-sgrp 18685 df-mnd 18701 df-grp 18910 |
| This theorem is referenced by: grpraddf1o 18988 dfgrp3 19013 xpsinv 19034 xpsgrpsub 19035 nmzsubg 19138 eqger 19151 conjnmz 19225 ghmqusnsg 19255 ghmquskerlem3 19259 lringuplu 20523 rnglidl1 21232 rngqiprngimfo 21301 rngqiprngfulem3 21313 evladdval 22086 mplmapghm 22105 evlsmaprhm 22114 selvadd 22126 mhpaddcl 22146 psdmul 22161 evls1addd 22364 evls1maprhm 22369 rhmmpl 22373 cphpyth 25208 conjga 33258 cntrval2 33259 ringdi22 33318 rlocaddval 33356 rloccring 33358 rlocf1 33361 evl1deg1 33666 evl1deg2 33667 evl1deg3 33668 ply1degltlss 33686 q1pdir 33693 r1pcyc 33697 r1padd1 33698 r1plmhm 33700 0mplrim 33705 selvply1rhmlem4 33714 mplvrpmga 33736 mplvrpmmhm 33737 algextdeglem8 33915 rtelextdg2lem 33917 cos9thpiminplylem6 33978 cos9thpiminply 33979 zrhcntr 34170 aks6d1c1p3 42596 aks5lem3a 42675 aks5lem5a 42677 grpcominv1 42999 rhmpsr 43034 |
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