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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 18113 | . 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 17934 | . 2 ⊢ ((𝐺 ∈ Mnd ∧ 𝑋 ∈ 𝐵) → ( 0 + 𝑋) = 𝑋) |
6 | 1, 5 | sylan 582 | 1 ⊢ ((𝐺 ∈ Grp ∧ 𝑋 ∈ 𝐵) → ( 0 + 𝑋) = 𝑋) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 398 = wceq 1536 ∈ wcel 2113 ‘cfv 6358 (class class class)co 7159 Basecbs 16486 +gcplusg 16568 0gc0g 16716 Mndcmnd 17914 Grpcgrp 18106 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1795 ax-4 1809 ax-5 1910 ax-6 1969 ax-7 2014 ax-8 2115 ax-9 2123 ax-10 2144 ax-11 2160 ax-12 2176 ax-ext 2796 ax-sep 5206 ax-nul 5213 ax-pow 5269 ax-pr 5333 |
This theorem depends on definitions: df-bi 209 df-an 399 df-or 844 df-3an 1085 df-tru 1539 df-ex 1780 df-nf 1784 df-sb 2069 df-mo 2621 df-eu 2653 df-clab 2803 df-cleq 2817 df-clel 2896 df-nfc 2966 df-ne 3020 df-ral 3146 df-rex 3147 df-reu 3148 df-rmo 3149 df-rab 3150 df-v 3499 df-sbc 3776 df-dif 3942 df-un 3944 df-in 3946 df-ss 3955 df-nul 4295 df-if 4471 df-sn 4571 df-pr 4573 df-op 4577 df-uni 4842 df-br 5070 df-opab 5132 df-mpt 5150 df-id 5463 df-xp 5564 df-rel 5565 df-cnv 5566 df-co 5567 df-dm 5568 df-iota 6317 df-fun 6360 df-fv 6366 df-riota 7117 df-ov 7162 df-0g 16718 df-mgm 17855 df-sgrp 17904 df-mnd 17915 df-grp 18109 |
This theorem is referenced by: grprcan 18140 grpid 18142 isgrpid2 18143 grprinv 18156 grpinvid1 18157 grpinvid2 18158 grpidinv2 18161 grpinvid 18163 grplcan 18164 grpasscan1 18165 grpidlcan 18168 grplmulf1o 18176 grpidssd 18178 grpinvadd 18180 grpinvval2 18185 grplactcnv 18205 imasgrp 18218 mulgaddcom 18254 mulgdirlem 18261 subg0 18288 issubg2 18297 issubg4 18301 0subg 18307 isnsg3 18315 nmzsubg 18320 ssnmz 18321 eqger 18333 eqgid 18335 qusgrp 18338 qus0 18341 ghmid 18367 conjghm 18392 conjnmz 18395 subgga 18433 cntzsubg 18470 sylow1lem2 18727 sylow2blem2 18749 sylow2blem3 18750 sylow3lem1 18755 lsmmod 18804 lsmdisj2 18811 pj1rid 18831 abladdsub4 18937 ablpncan2 18939 ablpnpcan 18943 ablnncan 18944 odadd1 18971 odadd2 18972 oddvdssubg 18978 dprdfadd 19145 pgpfac1lem3a 19201 ringlz 19340 ringrz 19341 isabvd 19594 lmod0vlid 19667 lmod0vs 19670 psr0lid 20178 mplsubglem 20217 mplcoe1 20249 mhpaddcl 20341 evpmodpmf1o 20743 ocvlss 20819 lsmcss 20839 mdetunilem6 21229 mdetunilem9 21232 ghmcnp 22726 tgpt0 22730 qustgpopn 22731 mdegaddle 24671 ply1rem 24760 gsumsubg 30688 ogrpinv0le 30720 ogrpaddltrbid 30725 ogrpinv0lt 30727 ogrpinvlt 30728 cyc3genpmlem 30797 isarchi3 30820 archirngz 30822 archiabllem1b 30825 freshmansdream 30863 orngsqr 30881 ornglmulle 30882 orngrmulle 30883 ofldchr 30891 qusker 30922 mxidlprm 30981 dimkerim 31027 matunitlindflem1 34892 lfl0f 36209 lfladd0l 36214 lkrlss 36235 lkrin 36304 dvhgrp 38247 baerlem3lem1 38847 mapdh6bN 38877 hdmap1l6b 38951 hdmapinvlem3 39060 hdmapinvlem4 39061 hdmapglem7b 39068 rnglz 44162 |
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