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| Mirrors > Home > ILE Home > Th. List > isnsg3 | Unicode version | ||
| Description: A subgroup is normal iff the conjugation of all the elements of the subgroup is in the subgroup. (Contributed by Mario Carneiro, 18-Jan-2015.) |
| Ref | Expression |
|---|---|
| isnsg3.1 |
|
| isnsg3.2 |
|
| isnsg3.3 |
|
| Ref | Expression |
|---|---|
| isnsg3 |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | nsgsubg 13541 |
. . 3
| |
| 2 | isnsg3.1 |
. . . . . 6
| |
| 3 | isnsg3.2 |
. . . . . 6
| |
| 4 | isnsg3.3 |
. . . . . 6
| |
| 5 | 2, 3, 4 | nsgconj 13542 |
. . . . 5
|
| 6 | 5 | 3expb 1207 |
. . . 4
|
| 7 | 6 | ralrimivva 2588 |
. . 3
|
| 8 | 1, 7 | jca 306 |
. 2
|
| 9 | simpl 109 |
. . 3
| |
| 10 | subgrcl 13515 |
. . . . . . . . . . . 12
| |
| 11 | 10 | ad2antrr 488 |
. . . . . . . . . . 11
|
| 12 | simprll 537 |
. . . . . . . . . . 11
| |
| 13 | eqid 2205 |
. . . . . . . . . . . 12
| |
| 14 | eqid 2205 |
. . . . . . . . . . . 12
| |
| 15 | 2, 3, 13, 14 | grplinv 13382 |
. . . . . . . . . . 11
|
| 16 | 11, 12, 15 | syl2anc 411 |
. . . . . . . . . 10
|
| 17 | 16 | oveq1d 5959 |
. . . . . . . . 9
|
| 18 | 2, 14 | grpinvcl 13380 |
. . . . . . . . . . 11
|
| 19 | 11, 12, 18 | syl2anc 411 |
. . . . . . . . . 10
|
| 20 | simprlr 538 |
. . . . . . . . . 10
| |
| 21 | 2, 3 | grpass 13341 |
. . . . . . . . . 10
|
| 22 | 11, 19, 12, 20, 21 | syl13anc 1252 |
. . . . . . . . 9
|
| 23 | 2, 3, 13 | grplid 13363 |
. . . . . . . . . 10
|
| 24 | 11, 20, 23 | syl2anc 411 |
. . . . . . . . 9
|
| 25 | 17, 22, 24 | 3eqtr3d 2246 |
. . . . . . . 8
|
| 26 | 25 | oveq1d 5959 |
. . . . . . 7
|
| 27 | 2, 3, 4, 14, 11, 20, 12 | grpsubinv 13405 |
. . . . . . 7
|
| 28 | 26, 27 | eqtrd 2238 |
. . . . . 6
|
| 29 | simprr 531 |
. . . . . . 7
| |
| 30 | simplr 528 |
. . . . . . 7
| |
| 31 | oveq1 5951 |
. . . . . . . . . 10
| |
| 32 | id 19 |
. . . . . . . . . 10
| |
| 33 | 31, 32 | oveq12d 5962 |
. . . . . . . . 9
|
| 34 | 33 | eleq1d 2274 |
. . . . . . . 8
|
| 35 | oveq2 5952 |
. . . . . . . . . 10
| |
| 36 | 35 | oveq1d 5959 |
. . . . . . . . 9
|
| 37 | 36 | eleq1d 2274 |
. . . . . . . 8
|
| 38 | 34, 37 | rspc2va 2891 |
. . . . . . 7
|
| 39 | 19, 29, 30, 38 | syl21anc 1249 |
. . . . . 6
|
| 40 | 28, 39 | eqeltrrd 2283 |
. . . . 5
|
| 41 | 40 | expr 375 |
. . . 4
|
| 42 | 41 | ralrimivva 2588 |
. . 3
|
| 43 | 2, 3 | isnsg2 13539 |
. . 3
|
| 44 | 9, 42, 43 | sylanbrc 417 |
. 2
|
| 45 | 8, 44 | impbii 126 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-in1 615 ax-in2 616 ax-io 711 ax-5 1470 ax-7 1471 ax-gen 1472 ax-ie1 1516 ax-ie2 1517 ax-8 1527 ax-10 1528 ax-11 1529 ax-i12 1530 ax-bndl 1532 ax-4 1533 ax-17 1549 ax-i9 1553 ax-ial 1557 ax-i5r 1558 ax-13 2178 ax-14 2179 ax-ext 2187 ax-coll 4159 ax-sep 4162 ax-pow 4218 ax-pr 4253 ax-un 4480 ax-setind 4585 ax-cnex 8016 ax-resscn 8017 ax-1re 8019 ax-addrcl 8022 |
| This theorem depends on definitions: df-bi 117 df-3an 983 df-tru 1376 df-fal 1379 df-nf 1484 df-sb 1786 df-eu 2057 df-mo 2058 df-clab 2192 df-cleq 2198 df-clel 2201 df-nfc 2337 df-ne 2377 df-ral 2489 df-rex 2490 df-reu 2491 df-rmo 2492 df-rab 2493 df-v 2774 df-sbc 2999 df-csb 3094 df-dif 3168 df-un 3170 df-in 3172 df-ss 3179 df-pw 3618 df-sn 3639 df-pr 3640 df-op 3642 df-uni 3851 df-int 3886 df-iun 3929 df-br 4045 df-opab 4106 df-mpt 4107 df-id 4340 df-xp 4681 df-rel 4682 df-cnv 4683 df-co 4684 df-dm 4685 df-rn 4686 df-res 4687 df-ima 4688 df-iota 5232 df-fun 5273 df-fn 5274 df-f 5275 df-f1 5276 df-fo 5277 df-f1o 5278 df-fv 5279 df-riota 5899 df-ov 5947 df-oprab 5948 df-mpo 5949 df-1st 6226 df-2nd 6227 df-inn 9037 df-2 9095 df-ndx 12835 df-slot 12836 df-base 12838 df-plusg 12922 df-0g 13090 df-mgm 13188 df-sgrp 13234 df-mnd 13249 df-grp 13335 df-minusg 13336 df-sbg 13337 df-subg 13506 df-nsg 13507 |
| This theorem is referenced by: 0nsg 13550 nsgid 13551 ghmnsgima 13604 ghmnsgpreima 13605 |
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