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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 18170 | . 2 ⊢ (𝐺 ∈ Grp → − :(𝐵 × 𝐵)⟶𝐵) |
4 | fovrn 7298 | . 2 ⊢ (( − :(𝐵 × 𝐵)⟶𝐵 ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) → (𝑋 − 𝑌) ∈ 𝐵) | |
5 | 3, 4 | syl3an1 1160 | 1 ⊢ ((𝐺 ∈ Grp ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) → (𝑋 − 𝑌) ∈ 𝐵) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ w3a 1084 = wceq 1538 ∈ wcel 2111 × cxp 5517 ⟶wf 6320 ‘cfv 6324 (class class class)co 7135 Basecbs 16475 Grpcgrp 18095 -gcsg 18097 |
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 1911 ax-6 1970 ax-7 2015 ax-8 2113 ax-9 2121 ax-10 2142 ax-11 2158 ax-12 2175 ax-ext 2770 ax-sep 5167 ax-nul 5174 ax-pow 5231 ax-pr 5295 ax-un 7441 |
This theorem depends on definitions: df-bi 210 df-an 400 df-or 845 df-3an 1086 df-tru 1541 df-ex 1782 df-nf 1786 df-sb 2070 df-mo 2598 df-eu 2629 df-clab 2777 df-cleq 2791 df-clel 2870 df-nfc 2938 df-ne 2988 df-ral 3111 df-rex 3112 df-reu 3113 df-rmo 3114 df-rab 3115 df-v 3443 df-sbc 3721 df-csb 3829 df-dif 3884 df-un 3886 df-in 3888 df-ss 3898 df-nul 4244 df-if 4426 df-pw 4499 df-sn 4526 df-pr 4528 df-op 4532 df-uni 4801 df-iun 4883 df-br 5031 df-opab 5093 df-mpt 5111 df-id 5425 df-xp 5525 df-rel 5526 df-cnv 5527 df-co 5528 df-dm 5529 df-rn 5530 df-res 5531 df-ima 5532 df-iota 6283 df-fun 6326 df-fn 6327 df-f 6328 df-fv 6332 df-riota 7093 df-ov 7138 df-oprab 7139 df-mpo 7140 df-1st 7671 df-2nd 7672 df-0g 16707 df-mgm 17844 df-sgrp 17893 df-mnd 17904 df-grp 18098 df-minusg 18099 df-sbg 18100 |
This theorem is referenced by: grpsubsub 18180 grpsubsub4 18184 grpnpncan 18186 grpnnncan2 18188 dfgrp3 18190 nsgconj 18303 nsgacs 18306 nsgid 18314 ghmnsgpreima 18375 ghmeqker 18377 ghmf1 18379 conjghm 18381 conjnmz 18384 conjnmzb 18385 sylow3lem2 18745 abladdsub4 18927 abladdsub 18928 ablpncan3 18930 ablsubsub4 18932 ablpnpcan 18933 ablnnncan 18936 ablnnncan1 18937 telgsumfzslem 19101 telgsumfzs 19102 telgsums 19106 lmodvsubcl 19672 lvecvscan2 19877 ipsubdir 20331 ipsubdi 20332 ip2subdi 20333 coe1subfv 20895 evl1subd 20966 dmatsubcl 21103 scmatsubcl 21122 mdetunilem9 21225 mdetuni0 21226 chmatcl 21433 chpmat1d 21441 chpdmatlem1 21443 chpscmat 21447 chpidmat 21452 chfacfisf 21459 cpmadugsumlemF 21481 cpmidgsum2 21484 tgpconncomp 22718 ghmcnp 22720 nrmmetd 23181 ngpds2 23212 ngpds3 23214 isngp4 23218 nmsub 23229 nm2dif 23231 nmtri2 23233 subgngp 23241 ngptgp 23242 nrgdsdi 23271 nrgdsdir 23272 nlmdsdi 23287 nlmdsdir 23288 nrginvrcnlem 23297 nmods 23350 tcphcphlem1 23839 tcphcph 23841 cphipval2 23845 4cphipval2 23846 cphipval 23847 ipcnlem2 23848 deg1sublt 24711 ply1divmo 24736 ply1divex 24737 r1pcl 24758 r1pid 24760 ply1remlem 24763 ig1peu 24772 dchr2sum 25857 lgsqrlem2 25931 lgsqrlem3 25932 lgsqrlem4 25933 ttgcontlem1 26679 ogrpsublt 30772 archiabllem1a 30870 archiabllem2a 30873 archiabllem2c 30874 ornglmulle 30929 orngrmulle 30930 lclkrlem2m 38815 idomrootle 40139 lidldomn1 44545 linply1 44801 |
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