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Mirrors > Home > MPE Home > Th. List > grpsubcl | Structured version Visualization version GIF version |
Description: Closure of group subtraction. (Contributed by NM, 31-Mar-2014.) |
Ref | Expression |
---|---|
grpsubcl.b | ⊢ 𝐵 = (Base‘𝐺) |
grpsubcl.m | ⊢ − = (-g‘𝐺) |
Ref | Expression |
---|---|
grpsubcl | ⊢ ((𝐺 ∈ Grp ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) → (𝑋 − 𝑌) ∈ 𝐵) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | grpsubcl.b | . . 3 ⊢ 𝐵 = (Base‘𝐺) | |
2 | grpsubcl.m | . . 3 ⊢ − = (-g‘𝐺) | |
3 | 1, 2 | grpsubf 18178 | . 2 ⊢ (𝐺 ∈ Grp → − :(𝐵 × 𝐵)⟶𝐵) |
4 | fovrn 7318 | . 2 ⊢ (( − :(𝐵 × 𝐵)⟶𝐵 ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) → (𝑋 − 𝑌) ∈ 𝐵) | |
5 | 3, 4 | syl3an1 1159 | 1 ⊢ ((𝐺 ∈ Grp ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) → (𝑋 − 𝑌) ∈ 𝐵) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ w3a 1083 = wceq 1537 ∈ wcel 2114 × cxp 5553 ⟶wf 6351 ‘cfv 6355 (class class class)co 7156 Basecbs 16483 Grpcgrp 18103 -gcsg 18105 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1911 ax-6 1970 ax-7 2015 ax-8 2116 ax-9 2124 ax-10 2145 ax-11 2161 ax-12 2177 ax-ext 2793 ax-sep 5203 ax-nul 5210 ax-pow 5266 ax-pr 5330 ax-un 7461 |
This theorem depends on definitions: df-bi 209 df-an 399 df-or 844 df-3an 1085 df-tru 1540 df-ex 1781 df-nf 1785 df-sb 2070 df-mo 2622 df-eu 2654 df-clab 2800 df-cleq 2814 df-clel 2893 df-nfc 2963 df-ne 3017 df-ral 3143 df-rex 3144 df-reu 3145 df-rmo 3146 df-rab 3147 df-v 3496 df-sbc 3773 df-csb 3884 df-dif 3939 df-un 3941 df-in 3943 df-ss 3952 df-nul 4292 df-if 4468 df-pw 4541 df-sn 4568 df-pr 4570 df-op 4574 df-uni 4839 df-iun 4921 df-br 5067 df-opab 5129 df-mpt 5147 df-id 5460 df-xp 5561 df-rel 5562 df-cnv 5563 df-co 5564 df-dm 5565 df-rn 5566 df-res 5567 df-ima 5568 df-iota 6314 df-fun 6357 df-fn 6358 df-f 6359 df-fv 6363 df-riota 7114 df-ov 7159 df-oprab 7160 df-mpo 7161 df-1st 7689 df-2nd 7690 df-0g 16715 df-mgm 17852 df-sgrp 17901 df-mnd 17912 df-grp 18106 df-minusg 18107 df-sbg 18108 |
This theorem is referenced by: grpsubsub 18188 grpsubsub4 18192 grpnpncan 18194 grpnnncan2 18196 dfgrp3 18198 nsgconj 18311 nsgacs 18314 nsgid 18322 ghmnsgpreima 18383 ghmeqker 18385 ghmf1 18387 conjghm 18389 conjnmz 18392 conjnmzb 18393 sylow3lem2 18753 abladdsub4 18934 abladdsub 18935 ablpncan3 18937 ablsubsub4 18939 ablpnpcan 18940 ablnnncan 18943 ablnnncan1 18944 telgsumfzslem 19108 telgsumfzs 19109 telgsums 19113 lmodvsubcl 19679 lvecvscan2 19884 coe1subfv 20434 evl1subd 20505 ipsubdir 20786 ipsubdi 20787 ip2subdi 20788 dmatsubcl 21107 scmatsubcl 21126 mdetunilem9 21229 mdetuni0 21230 chmatcl 21436 chpmat1d 21444 chpdmatlem1 21446 chpscmat 21450 chpidmat 21455 chfacfisf 21462 cpmadugsumlemF 21484 cpmidgsum2 21487 tgpconncomp 22721 ghmcnp 22723 nrmmetd 23184 ngpds2 23215 ngpds3 23217 isngp4 23221 nmsub 23232 nm2dif 23234 nmtri2 23236 subgngp 23244 ngptgp 23245 nrgdsdi 23274 nrgdsdir 23275 nlmdsdi 23290 nlmdsdir 23291 nrginvrcnlem 23300 nmods 23353 tcphcphlem1 23838 tcphcph 23840 cphipval2 23844 4cphipval2 23845 cphipval 23846 ipcnlem2 23847 deg1sublt 24704 ply1divmo 24729 ply1divex 24730 r1pcl 24751 r1pid 24753 ply1remlem 24756 ig1peu 24765 dchr2sum 25849 lgsqrlem2 25923 lgsqrlem3 25924 lgsqrlem4 25925 ttgcontlem1 26671 ogrpsublt 30722 archiabllem1a 30820 archiabllem2a 30823 archiabllem2c 30824 ornglmulle 30878 orngrmulle 30879 lclkrlem2m 38670 idomrootle 39815 lidldomn1 44212 linply1 44467 |
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