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| Mirrors > Home > MPE Home > Th. List > sgrimval | Structured version Visualization version GIF version | ||
| Description: The induced metric on a subgroup in terms of the induced metric on the parent normed group. (Contributed by NM, 1-Feb-2008.) (Revised by AV, 19-Oct-2021.) |
| Ref | Expression |
|---|---|
| sgrim.x | β’ π = (π βΎs π) |
| sgrim.d | β’ π· = (distβπ) |
| sgrim.e | β’ πΈ = (distβπ) |
| sgrimval.t | β’ π = (πΊ toNrmGrp π) |
| sgrimval.n | β’ π = (normβπΊ) |
| sgrimval.s | β’ π = (SubGrpβπ) |
| Ref | Expression |
|---|---|
| sgrimval | β’ (((πΊ β NrmGrp β§ π β π) β§ (π΄ β π β§ π΅ β π)) β (π΄πΈπ΅) = (π΄π·π΅)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | sgrim.x | . . . 4 β’ π = (π βΎs π) | |
| 2 | sgrim.d | . . . 4 β’ π· = (distβπ) | |
| 3 | sgrim.e | . . . 4 β’ πΈ = (distβπ) | |
| 4 | 1, 2, 3 | sgrim 24139 | . . 3 β’ (π β π β πΈ = π·) |
| 5 | 4 | oveqd 7425 | . 2 β’ (π β π β (π΄πΈπ΅) = (π΄π·π΅)) |
| 6 | 5 | ad2antlr 725 | 1 β’ (((πΊ β NrmGrp β§ π β π) β§ (π΄ β π β§ π΅ β π)) β (π΄πΈπ΅) = (π΄π·π΅)) |
| Colors of variables: wff setvar class |
| Syntax hints: β wi 4 β§ wa 396 = wceq 1541 β wcel 2106 βcfv 6543 (class class class)co 7408 βΎs cress 17172 distcds 17205 SubGrpcsubg 18999 normcnm 24084 NrmGrpcngp 24085 toNrmGrp ctng 24086 |
| 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 2703 ax-sep 5299 ax-nul 5306 ax-pow 5363 ax-pr 5427 ax-un 7724 ax-cnex 11165 ax-resscn 11166 ax-1cn 11167 ax-icn 11168 ax-addcl 11169 ax-addrcl 11170 ax-mulcl 11171 ax-mulrcl 11172 ax-mulcom 11173 ax-addass 11174 ax-mulass 11175 ax-distr 11176 ax-i2m1 11177 ax-1ne0 11178 ax-1rid 11179 ax-rnegex 11180 ax-rrecex 11181 ax-cnre 11182 ax-pre-lttri 11183 ax-pre-lttrn 11184 ax-pre-ltadd 11185 ax-pre-mulgt0 11186 |
| This theorem depends on definitions: df-bi 206 df-an 397 df-or 846 df-3or 1088 df-3an 1089 df-tru 1544 df-fal 1554 df-ex 1782 df-nf 1786 df-sb 2068 df-mo 2534 df-eu 2563 df-clab 2710 df-cleq 2724 df-clel 2810 df-nfc 2885 df-ne 2941 df-nel 3047 df-ral 3062 df-rex 3071 df-reu 3377 df-rab 3433 df-v 3476 df-sbc 3778 df-csb 3894 df-dif 3951 df-un 3953 df-in 3955 df-ss 3965 df-pss 3967 df-nul 4323 df-if 4529 df-pw 4604 df-sn 4629 df-pr 4631 df-op 4635 df-uni 4909 df-iun 4999 df-br 5149 df-opab 5211 df-mpt 5232 df-tr 5266 df-id 5574 df-eprel 5580 df-po 5588 df-so 5589 df-fr 5631 df-we 5633 df-xp 5682 df-rel 5683 df-cnv 5684 df-co 5685 df-dm 5686 df-rn 5687 df-res 5688 df-ima 5689 df-pred 6300 df-ord 6367 df-on 6368 df-lim 6369 df-suc 6370 df-iota 6495 df-fun 6545 df-fn 6546 df-f 6547 df-f1 6548 df-fo 6549 df-f1o 6550 df-fv 6551 df-riota 7364 df-ov 7411 df-oprab 7412 df-mpo 7413 df-om 7855 df-2nd 7975 df-frecs 8265 df-wrecs 8296 df-recs 8370 df-rdg 8409 df-er 8702 df-en 8939 df-dom 8940 df-sdom 8941 df-pnf 11249 df-mnf 11250 df-xr 11251 df-ltxr 11252 df-le 11253 df-sub 11445 df-neg 11446 df-nn 12212 df-2 12274 df-3 12275 df-4 12276 df-5 12277 df-6 12278 df-7 12279 df-8 12280 df-9 12281 df-n0 12472 df-z 12558 df-dec 12677 df-sets 17096 df-slot 17114 df-ndx 17126 df-base 17144 df-ress 17173 df-ds 17218 |
| This theorem is referenced by: (None) |
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