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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 18840 | . 2 ⊢ (𝐺 ∈ Grp → − :(𝐵 × 𝐵)⟶𝐵) |
4 | fovcdm 7529 | . 2 ⊢ (( − :(𝐵 × 𝐵)⟶𝐵 ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) → (𝑋 − 𝑌) ∈ 𝐵) | |
5 | 3, 4 | syl3an1 1163 | 1 ⊢ ((𝐺 ∈ Grp ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) → (𝑋 − 𝑌) ∈ 𝐵) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ w3a 1087 = wceq 1541 ∈ wcel 2106 × cxp 5636 ⟶wf 6497 ‘cfv 6501 (class class class)co 7362 Basecbs 17094 Grpcgrp 18762 -gcsg 18764 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1913 ax-6 1971 ax-7 2011 ax-8 2108 ax-9 2116 ax-10 2137 ax-11 2154 ax-12 2171 ax-ext 2702 ax-sep 5261 ax-nul 5268 ax-pow 5325 ax-pr 5389 ax-un 7677 |
This theorem depends on definitions: df-bi 206 df-an 397 df-or 846 df-3an 1089 df-tru 1544 df-fal 1554 df-ex 1782 df-nf 1786 df-sb 2068 df-mo 2533 df-eu 2562 df-clab 2709 df-cleq 2723 df-clel 2809 df-nfc 2884 df-ne 2940 df-ral 3061 df-rex 3070 df-rmo 3351 df-reu 3352 df-rab 3406 df-v 3448 df-sbc 3743 df-csb 3859 df-dif 3916 df-un 3918 df-in 3920 df-ss 3930 df-nul 4288 df-if 4492 df-pw 4567 df-sn 4592 df-pr 4594 df-op 4598 df-uni 4871 df-iun 4961 df-br 5111 df-opab 5173 df-mpt 5194 df-id 5536 df-xp 5644 df-rel 5645 df-cnv 5646 df-co 5647 df-dm 5648 df-rn 5649 df-res 5650 df-ima 5651 df-iota 6453 df-fun 6503 df-fn 6504 df-f 6505 df-fv 6509 df-riota 7318 df-ov 7365 df-oprab 7366 df-mpo 7367 df-1st 7926 df-2nd 7927 df-0g 17337 df-mgm 18511 df-sgrp 18560 df-mnd 18571 df-grp 18765 df-minusg 18766 df-sbg 18767 |
This theorem is referenced by: grpsubsub 18850 grpsubsub4 18854 grpnpncan 18856 grpnnncan2 18858 dfgrp3 18860 nsgconj 18975 nsgacs 18978 nsgid 18986 ghmnsgpreima 19047 ghmeqker 19049 ghmf1 19051 conjghm 19053 conjnmz 19056 conjnmzb 19057 sylow3lem2 19424 abladdsub4 19606 abladdsub 19607 ablpncan3 19609 ablsubsub4 19611 ablpnpcan 19612 ablnnncan 19615 ablnnncan1 19616 telgsumfzslem 19779 telgsumfzs 19780 telgsums 19784 lmodvsubcl 20424 lvecvscan2 20632 ipsubdir 21083 ipsubdi 21084 ip2subdi 21085 coe1subfv 21674 evl1subd 21745 dmatsubcl 21884 scmatsubcl 21903 mdetunilem9 22006 mdetuni0 22007 chmatcl 22214 chpmat1d 22222 chpdmatlem1 22224 chpscmat 22228 chpidmat 22233 chfacfisf 22240 cpmadugsumlemF 22262 cpmidgsum2 22265 tgpconncomp 23501 ghmcnp 23503 nrmmetd 23967 ngpds2 23999 ngpds3 24001 isngp4 24005 nmsub 24016 nm2dif 24018 nmtri2 24020 subgngp 24028 ngptgp 24029 nrgdsdi 24066 nrgdsdir 24067 nlmdsdi 24082 nlmdsdir 24083 nrginvrcnlem 24092 nmods 24145 tcphcphlem1 24636 tcphcph 24638 cphipval2 24642 4cphipval2 24643 cphipval 24644 ipcnlem2 24645 deg1sublt 25512 ply1divmo 25537 ply1divex 25538 r1pcl 25559 r1pid 25561 ply1remlem 25564 ig1peu 25573 dchr2sum 26658 lgsqrlem2 26732 lgsqrlem3 26733 lgsqrlem4 26734 ttgcontlem1 27896 ogrpsublt 31999 archiabllem1a 32097 archiabllem2a 32100 archiabllem2c 32101 ornglmulle 32171 orngrmulle 32172 irngss 32448 lclkrlem2m 40055 isdomn4 40697 idomrootle 41580 lidldomn1 46339 linply1 46594 |
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