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Mirrors > Home > MPE Home > Th. List > grplid | Structured version Visualization version GIF version |
Description: The identity element of a group is a left identity. (Contributed by NM, 18-Aug-2011.) |
Ref | Expression |
---|---|
grpbn0.b | ⊢ 𝐵 = (Base‘𝐺) |
grplid.p | ⊢ + = (+g‘𝐺) |
grplid.o | ⊢ 0 = (0g‘𝐺) |
Ref | Expression |
---|---|
grplid | ⊢ ((𝐺 ∈ Grp ∧ 𝑋 ∈ 𝐵) → ( 0 + 𝑋) = 𝑋) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | grpmnd 18326 | . 2 ⊢ (𝐺 ∈ Grp → 𝐺 ∈ Mnd) | |
2 | grpbn0.b | . . 3 ⊢ 𝐵 = (Base‘𝐺) | |
3 | grplid.p | . . 3 ⊢ + = (+g‘𝐺) | |
4 | grplid.o | . . 3 ⊢ 0 = (0g‘𝐺) | |
5 | 2, 3, 4 | mndlid 18147 | . 2 ⊢ ((𝐺 ∈ Mnd ∧ 𝑋 ∈ 𝐵) → ( 0 + 𝑋) = 𝑋) |
6 | 1, 5 | sylan 583 | 1 ⊢ ((𝐺 ∈ Grp ∧ 𝑋 ∈ 𝐵) → ( 0 + 𝑋) = 𝑋) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 399 = wceq 1543 ∈ wcel 2112 ‘cfv 6358 (class class class)co 7191 Basecbs 16666 +gcplusg 16749 0gc0g 16898 Mndcmnd 18127 Grpcgrp 18319 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1803 ax-4 1817 ax-5 1918 ax-6 1976 ax-7 2018 ax-8 2114 ax-9 2122 ax-10 2143 ax-11 2160 ax-12 2177 ax-ext 2708 ax-sep 5177 ax-nul 5184 ax-pr 5307 |
This theorem depends on definitions: df-bi 210 df-an 400 df-or 848 df-3an 1091 df-tru 1546 df-fal 1556 df-ex 1788 df-nf 1792 df-sb 2073 df-mo 2539 df-eu 2568 df-clab 2715 df-cleq 2728 df-clel 2809 df-nfc 2879 df-ne 2933 df-ral 3056 df-rex 3057 df-reu 3058 df-rmo 3059 df-rab 3060 df-v 3400 df-sbc 3684 df-dif 3856 df-un 3858 df-in 3860 df-ss 3870 df-nul 4224 df-if 4426 df-sn 4528 df-pr 4530 df-op 4534 df-uni 4806 df-br 5040 df-opab 5102 df-mpt 5121 df-id 5440 df-xp 5542 df-rel 5543 df-cnv 5544 df-co 5545 df-dm 5546 df-iota 6316 df-fun 6360 df-fv 6366 df-riota 7148 df-ov 7194 df-0g 16900 df-mgm 18068 df-sgrp 18117 df-mnd 18128 df-grp 18322 |
This theorem is referenced by: grprcan 18355 grpid 18357 isgrpid2 18358 grprinv 18371 grpinvid1 18372 grpinvid2 18373 grpidinv2 18376 grpinvid 18378 grplcan 18379 grpasscan1 18380 grpidlcan 18383 grplmulf1o 18391 grpidssd 18393 grpinvadd 18395 grpinvval2 18400 grplactcnv 18420 imasgrp 18433 mulgaddcom 18469 mulgdirlem 18476 subg0 18503 issubg2 18512 issubg4 18516 0subg 18522 isnsg3 18530 nmzsubg 18535 ssnmz 18536 eqger 18548 eqgid 18550 qusgrp 18553 qus0 18556 ghmid 18582 conjghm 18607 conjnmz 18610 subgga 18648 cntzsubg 18685 sylow1lem2 18942 sylow2blem2 18964 sylow2blem3 18965 sylow3lem1 18970 lsmmod 19019 lsmdisj2 19026 pj1rid 19046 abladdsub4 19153 ablpncan2 19155 ablpnpcan 19159 ablnncan 19160 odadd1 19187 odadd2 19188 oddvdssubg 19194 dprdfadd 19361 pgpfac1lem3a 19417 ringlz 19559 ringrz 19560 isabvd 19810 lmod0vlid 19883 lmod0vs 19886 evpmodpmf1o 20512 ocvlss 20588 lsmcss 20608 psr0lid 20874 mplsubglem 20915 mplcoe1 20948 mhpaddcl 21045 mdetunilem6 21468 mdetunilem9 21471 ghmcnp 22966 tgpt0 22970 qustgpopn 22971 mdegaddle 24926 ply1rem 25015 gsumsubg 30979 ogrpinv0le 31014 ogrpaddltrbid 31019 ogrpinv0lt 31021 ogrpinvlt 31022 cyc3genpmlem 31091 isarchi3 31114 archirngz 31116 archiabllem1b 31119 freshmansdream 31157 orngsqr 31176 ornglmulle 31177 orngrmulle 31178 ofldchr 31186 qusker 31217 grplsm0l 31259 quslsm 31261 mxidlprm 31308 dimkerim 31376 matunitlindflem1 35459 lfl0f 36769 lfladd0l 36774 lkrlss 36795 lkrin 36864 dvhgrp 38807 baerlem3lem1 39407 mapdh6bN 39437 hdmap1l6b 39511 hdmapinvlem3 39620 hdmapinvlem4 39621 hdmapglem7b 39628 fsuppind 39930 fsuppssind 39933 rnglz 45058 |
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