| Step | Hyp | Ref
| Expression |
| 1 | | subgrcl 17599 |
. . . . . . . . . 10
⊢ (𝑆 ∈ (SubGrp‘𝐺) → 𝐺 ∈ Grp) |
| 2 | 1 | ad2antrr 762 |
. . . . . . . . 9
⊢ (((𝑆 ∈ (SubGrp‘𝐺) ∧ 𝐴 ∈ 𝑁) ∧ 𝑤 ∈ 𝑆) → 𝐺 ∈ Grp) |
| 3 | | conjnmz.1 |
. . . . . . . . . . . 12
⊢ 𝑁 = {𝑦 ∈ 𝑋 ∣ ∀𝑧 ∈ 𝑋 ((𝑦 + 𝑧) ∈ 𝑆 ↔ (𝑧 + 𝑦) ∈ 𝑆)} |
| 4 | | ssrab2 3687 |
. . . . . . . . . . . 12
⊢ {𝑦 ∈ 𝑋 ∣ ∀𝑧 ∈ 𝑋 ((𝑦 + 𝑧) ∈ 𝑆 ↔ (𝑧 + 𝑦) ∈ 𝑆)} ⊆ 𝑋 |
| 5 | 3, 4 | eqsstri 3635 |
. . . . . . . . . . 11
⊢ 𝑁 ⊆ 𝑋 |
| 6 | | simplr 792 |
. . . . . . . . . . 11
⊢ (((𝑆 ∈ (SubGrp‘𝐺) ∧ 𝐴 ∈ 𝑁) ∧ 𝑤 ∈ 𝑆) → 𝐴 ∈ 𝑁) |
| 7 | 5, 6 | sseldi 3601 |
. . . . . . . . . 10
⊢ (((𝑆 ∈ (SubGrp‘𝐺) ∧ 𝐴 ∈ 𝑁) ∧ 𝑤 ∈ 𝑆) → 𝐴 ∈ 𝑋) |
| 8 | | conjghm.x |
. . . . . . . . . . 11
⊢ 𝑋 = (Base‘𝐺) |
| 9 | | eqid 2622 |
. . . . . . . . . . 11
⊢
(invg‘𝐺) = (invg‘𝐺) |
| 10 | 8, 9 | grpinvcl 17467 |
. . . . . . . . . 10
⊢ ((𝐺 ∈ Grp ∧ 𝐴 ∈ 𝑋) → ((invg‘𝐺)‘𝐴) ∈ 𝑋) |
| 11 | 2, 7, 10 | syl2anc 693 |
. . . . . . . . 9
⊢ (((𝑆 ∈ (SubGrp‘𝐺) ∧ 𝐴 ∈ 𝑁) ∧ 𝑤 ∈ 𝑆) → ((invg‘𝐺)‘𝐴) ∈ 𝑋) |
| 12 | 8 | subgss 17595 |
. . . . . . . . . . 11
⊢ (𝑆 ∈ (SubGrp‘𝐺) → 𝑆 ⊆ 𝑋) |
| 13 | 12 | adantr 481 |
. . . . . . . . . 10
⊢ ((𝑆 ∈ (SubGrp‘𝐺) ∧ 𝐴 ∈ 𝑁) → 𝑆 ⊆ 𝑋) |
| 14 | 13 | sselda 3603 |
. . . . . . . . 9
⊢ (((𝑆 ∈ (SubGrp‘𝐺) ∧ 𝐴 ∈ 𝑁) ∧ 𝑤 ∈ 𝑆) → 𝑤 ∈ 𝑋) |
| 15 | | conjghm.p |
. . . . . . . . . 10
⊢ + =
(+g‘𝐺) |
| 16 | 8, 15 | grpass 17431 |
. . . . . . . . 9
⊢ ((𝐺 ∈ Grp ∧
(((invg‘𝐺)‘𝐴) ∈ 𝑋 ∧ 𝑤 ∈ 𝑋 ∧ 𝐴 ∈ 𝑋)) → ((((invg‘𝐺)‘𝐴) + 𝑤) + 𝐴) = (((invg‘𝐺)‘𝐴) + (𝑤 + 𝐴))) |
| 17 | 2, 11, 14, 7, 16 | syl13anc 1328 |
. . . . . . . 8
⊢ (((𝑆 ∈ (SubGrp‘𝐺) ∧ 𝐴 ∈ 𝑁) ∧ 𝑤 ∈ 𝑆) → ((((invg‘𝐺)‘𝐴) + 𝑤) + 𝐴) = (((invg‘𝐺)‘𝐴) + (𝑤 + 𝐴))) |
| 18 | | eqid 2622 |
. . . . . . . . . . . . . 14
⊢
(0g‘𝐺) = (0g‘𝐺) |
| 19 | 8, 15, 18, 9 | grprinv 17469 |
. . . . . . . . . . . . 13
⊢ ((𝐺 ∈ Grp ∧ 𝐴 ∈ 𝑋) → (𝐴 +
((invg‘𝐺)‘𝐴)) = (0g‘𝐺)) |
| 20 | 2, 7, 19 | syl2anc 693 |
. . . . . . . . . . . 12
⊢ (((𝑆 ∈ (SubGrp‘𝐺) ∧ 𝐴 ∈ 𝑁) ∧ 𝑤 ∈ 𝑆) → (𝐴 +
((invg‘𝐺)‘𝐴)) = (0g‘𝐺)) |
| 21 | 20 | oveq1d 6665 |
. . . . . . . . . . 11
⊢ (((𝑆 ∈ (SubGrp‘𝐺) ∧ 𝐴 ∈ 𝑁) ∧ 𝑤 ∈ 𝑆) → ((𝐴 +
((invg‘𝐺)‘𝐴)) + 𝑤) = ((0g‘𝐺) + 𝑤)) |
| 22 | 8, 15 | grpass 17431 |
. . . . . . . . . . . 12
⊢ ((𝐺 ∈ Grp ∧ (𝐴 ∈ 𝑋 ∧ ((invg‘𝐺)‘𝐴) ∈ 𝑋 ∧ 𝑤 ∈ 𝑋)) → ((𝐴 +
((invg‘𝐺)‘𝐴)) + 𝑤) = (𝐴 +
(((invg‘𝐺)‘𝐴) + 𝑤))) |
| 23 | 2, 7, 11, 14, 22 | syl13anc 1328 |
. . . . . . . . . . 11
⊢ (((𝑆 ∈ (SubGrp‘𝐺) ∧ 𝐴 ∈ 𝑁) ∧ 𝑤 ∈ 𝑆) → ((𝐴 +
((invg‘𝐺)‘𝐴)) + 𝑤) = (𝐴 +
(((invg‘𝐺)‘𝐴) + 𝑤))) |
| 24 | 8, 15, 18 | grplid 17452 |
. . . . . . . . . . . 12
⊢ ((𝐺 ∈ Grp ∧ 𝑤 ∈ 𝑋) → ((0g‘𝐺) + 𝑤) = 𝑤) |
| 25 | 2, 14, 24 | syl2anc 693 |
. . . . . . . . . . 11
⊢ (((𝑆 ∈ (SubGrp‘𝐺) ∧ 𝐴 ∈ 𝑁) ∧ 𝑤 ∈ 𝑆) → ((0g‘𝐺) + 𝑤) = 𝑤) |
| 26 | 21, 23, 25 | 3eqtr3d 2664 |
. . . . . . . . . 10
⊢ (((𝑆 ∈ (SubGrp‘𝐺) ∧ 𝐴 ∈ 𝑁) ∧ 𝑤 ∈ 𝑆) → (𝐴 +
(((invg‘𝐺)‘𝐴) + 𝑤)) = 𝑤) |
| 27 | | simpr 477 |
. . . . . . . . . 10
⊢ (((𝑆 ∈ (SubGrp‘𝐺) ∧ 𝐴 ∈ 𝑁) ∧ 𝑤 ∈ 𝑆) → 𝑤 ∈ 𝑆) |
| 28 | 26, 27 | eqeltrd 2701 |
. . . . . . . . 9
⊢ (((𝑆 ∈ (SubGrp‘𝐺) ∧ 𝐴 ∈ 𝑁) ∧ 𝑤 ∈ 𝑆) → (𝐴 +
(((invg‘𝐺)‘𝐴) + 𝑤)) ∈ 𝑆) |
| 29 | 8, 15 | grpcl 17430 |
. . . . . . . . . . 11
⊢ ((𝐺 ∈ Grp ∧
((invg‘𝐺)‘𝐴) ∈ 𝑋 ∧ 𝑤 ∈ 𝑋) → (((invg‘𝐺)‘𝐴) + 𝑤) ∈ 𝑋) |
| 30 | 2, 11, 14, 29 | syl3anc 1326 |
. . . . . . . . . 10
⊢ (((𝑆 ∈ (SubGrp‘𝐺) ∧ 𝐴 ∈ 𝑁) ∧ 𝑤 ∈ 𝑆) → (((invg‘𝐺)‘𝐴) + 𝑤) ∈ 𝑋) |
| 31 | 3 | nmzbi 17634 |
. . . . . . . . . 10
⊢ ((𝐴 ∈ 𝑁 ∧ (((invg‘𝐺)‘𝐴) + 𝑤) ∈ 𝑋) → ((𝐴 +
(((invg‘𝐺)‘𝐴) + 𝑤)) ∈ 𝑆 ↔ ((((invg‘𝐺)‘𝐴) + 𝑤) + 𝐴) ∈ 𝑆)) |
| 32 | 6, 30, 31 | syl2anc 693 |
. . . . . . . . 9
⊢ (((𝑆 ∈ (SubGrp‘𝐺) ∧ 𝐴 ∈ 𝑁) ∧ 𝑤 ∈ 𝑆) → ((𝐴 +
(((invg‘𝐺)‘𝐴) + 𝑤)) ∈ 𝑆 ↔ ((((invg‘𝐺)‘𝐴) + 𝑤) + 𝐴) ∈ 𝑆)) |
| 33 | 28, 32 | mpbid 222 |
. . . . . . . 8
⊢ (((𝑆 ∈ (SubGrp‘𝐺) ∧ 𝐴 ∈ 𝑁) ∧ 𝑤 ∈ 𝑆) → ((((invg‘𝐺)‘𝐴) + 𝑤) + 𝐴) ∈ 𝑆) |
| 34 | 17, 33 | eqeltrrd 2702 |
. . . . . . 7
⊢ (((𝑆 ∈ (SubGrp‘𝐺) ∧ 𝐴 ∈ 𝑁) ∧ 𝑤 ∈ 𝑆) → (((invg‘𝐺)‘𝐴) + (𝑤 + 𝐴)) ∈ 𝑆) |
| 35 | | oveq2 6658 |
. . . . . . . . 9
⊢ (𝑥 =
(((invg‘𝐺)‘𝐴) + (𝑤 + 𝐴)) → (𝐴 + 𝑥) = (𝐴 +
(((invg‘𝐺)‘𝐴) + (𝑤 + 𝐴)))) |
| 36 | 35 | oveq1d 6665 |
. . . . . . . 8
⊢ (𝑥 =
(((invg‘𝐺)‘𝐴) + (𝑤 + 𝐴)) → ((𝐴 + 𝑥) − 𝐴) = ((𝐴 +
(((invg‘𝐺)‘𝐴) + (𝑤 + 𝐴))) − 𝐴)) |
| 37 | | conjsubg.f |
. . . . . . . 8
⊢ 𝐹 = (𝑥 ∈ 𝑆 ↦ ((𝐴 + 𝑥) − 𝐴)) |
| 38 | | ovex 6678 |
. . . . . . . 8
⊢ ((𝐴 +
(((invg‘𝐺)‘𝐴) + (𝑤 + 𝐴))) − 𝐴) ∈ V |
| 39 | 36, 37, 38 | fvmpt 6282 |
. . . . . . 7
⊢
((((invg‘𝐺)‘𝐴) + (𝑤 + 𝐴)) ∈ 𝑆 → (𝐹‘(((invg‘𝐺)‘𝐴) + (𝑤 + 𝐴))) = ((𝐴 +
(((invg‘𝐺)‘𝐴) + (𝑤 + 𝐴))) − 𝐴)) |
| 40 | 34, 39 | syl 17 |
. . . . . 6
⊢ (((𝑆 ∈ (SubGrp‘𝐺) ∧ 𝐴 ∈ 𝑁) ∧ 𝑤 ∈ 𝑆) → (𝐹‘(((invg‘𝐺)‘𝐴) + (𝑤 + 𝐴))) = ((𝐴 +
(((invg‘𝐺)‘𝐴) + (𝑤 + 𝐴))) − 𝐴)) |
| 41 | 20 | oveq1d 6665 |
. . . . . . . 8
⊢ (((𝑆 ∈ (SubGrp‘𝐺) ∧ 𝐴 ∈ 𝑁) ∧ 𝑤 ∈ 𝑆) → ((𝐴 +
((invg‘𝐺)‘𝐴)) + (𝑤 + 𝐴)) = ((0g‘𝐺) + (𝑤 + 𝐴))) |
| 42 | 8, 15 | grpcl 17430 |
. . . . . . . . . 10
⊢ ((𝐺 ∈ Grp ∧ 𝑤 ∈ 𝑋 ∧ 𝐴 ∈ 𝑋) → (𝑤 + 𝐴) ∈ 𝑋) |
| 43 | 2, 14, 7, 42 | syl3anc 1326 |
. . . . . . . . 9
⊢ (((𝑆 ∈ (SubGrp‘𝐺) ∧ 𝐴 ∈ 𝑁) ∧ 𝑤 ∈ 𝑆) → (𝑤 + 𝐴) ∈ 𝑋) |
| 44 | 8, 15 | grpass 17431 |
. . . . . . . . 9
⊢ ((𝐺 ∈ Grp ∧ (𝐴 ∈ 𝑋 ∧ ((invg‘𝐺)‘𝐴) ∈ 𝑋 ∧ (𝑤 + 𝐴) ∈ 𝑋)) → ((𝐴 +
((invg‘𝐺)‘𝐴)) + (𝑤 + 𝐴)) = (𝐴 +
(((invg‘𝐺)‘𝐴) + (𝑤 + 𝐴)))) |
| 45 | 2, 7, 11, 43, 44 | syl13anc 1328 |
. . . . . . . 8
⊢ (((𝑆 ∈ (SubGrp‘𝐺) ∧ 𝐴 ∈ 𝑁) ∧ 𝑤 ∈ 𝑆) → ((𝐴 +
((invg‘𝐺)‘𝐴)) + (𝑤 + 𝐴)) = (𝐴 +
(((invg‘𝐺)‘𝐴) + (𝑤 + 𝐴)))) |
| 46 | 8, 15, 18 | grplid 17452 |
. . . . . . . . 9
⊢ ((𝐺 ∈ Grp ∧ (𝑤 + 𝐴) ∈ 𝑋) → ((0g‘𝐺) + (𝑤 + 𝐴)) = (𝑤 + 𝐴)) |
| 47 | 2, 43, 46 | syl2anc 693 |
. . . . . . . 8
⊢ (((𝑆 ∈ (SubGrp‘𝐺) ∧ 𝐴 ∈ 𝑁) ∧ 𝑤 ∈ 𝑆) → ((0g‘𝐺) + (𝑤 + 𝐴)) = (𝑤 + 𝐴)) |
| 48 | 41, 45, 47 | 3eqtr3d 2664 |
. . . . . . 7
⊢ (((𝑆 ∈ (SubGrp‘𝐺) ∧ 𝐴 ∈ 𝑁) ∧ 𝑤 ∈ 𝑆) → (𝐴 +
(((invg‘𝐺)‘𝐴) + (𝑤 + 𝐴))) = (𝑤 + 𝐴)) |
| 49 | 48 | oveq1d 6665 |
. . . . . 6
⊢ (((𝑆 ∈ (SubGrp‘𝐺) ∧ 𝐴 ∈ 𝑁) ∧ 𝑤 ∈ 𝑆) → ((𝐴 +
(((invg‘𝐺)‘𝐴) + (𝑤 + 𝐴))) − 𝐴) = ((𝑤 + 𝐴) − 𝐴)) |
| 50 | | conjghm.m |
. . . . . . . 8
⊢ − =
(-g‘𝐺) |
| 51 | 8, 15, 50 | grppncan 17506 |
. . . . . . 7
⊢ ((𝐺 ∈ Grp ∧ 𝑤 ∈ 𝑋 ∧ 𝐴 ∈ 𝑋) → ((𝑤 + 𝐴) − 𝐴) = 𝑤) |
| 52 | 2, 14, 7, 51 | syl3anc 1326 |
. . . . . 6
⊢ (((𝑆 ∈ (SubGrp‘𝐺) ∧ 𝐴 ∈ 𝑁) ∧ 𝑤 ∈ 𝑆) → ((𝑤 + 𝐴) − 𝐴) = 𝑤) |
| 53 | 40, 49, 52 | 3eqtrd 2660 |
. . . . 5
⊢ (((𝑆 ∈ (SubGrp‘𝐺) ∧ 𝐴 ∈ 𝑁) ∧ 𝑤 ∈ 𝑆) → (𝐹‘(((invg‘𝐺)‘𝐴) + (𝑤 + 𝐴))) = 𝑤) |
| 54 | | ovex 6678 |
. . . . . . 7
⊢ ((𝐴 + 𝑥) − 𝐴) ∈ V |
| 55 | 54, 37 | fnmpti 6022 |
. . . . . 6
⊢ 𝐹 Fn 𝑆 |
| 56 | | fnfvelrn 6356 |
. . . . . 6
⊢ ((𝐹 Fn 𝑆 ∧ (((invg‘𝐺)‘𝐴) + (𝑤 + 𝐴)) ∈ 𝑆) → (𝐹‘(((invg‘𝐺)‘𝐴) + (𝑤 + 𝐴))) ∈ ran 𝐹) |
| 57 | 55, 34, 56 | sylancr 695 |
. . . . 5
⊢ (((𝑆 ∈ (SubGrp‘𝐺) ∧ 𝐴 ∈ 𝑁) ∧ 𝑤 ∈ 𝑆) → (𝐹‘(((invg‘𝐺)‘𝐴) + (𝑤 + 𝐴))) ∈ ran 𝐹) |
| 58 | 53, 57 | eqeltrrd 2702 |
. . . 4
⊢ (((𝑆 ∈ (SubGrp‘𝐺) ∧ 𝐴 ∈ 𝑁) ∧ 𝑤 ∈ 𝑆) → 𝑤 ∈ ran 𝐹) |
| 59 | 58 | ex 450 |
. . 3
⊢ ((𝑆 ∈ (SubGrp‘𝐺) ∧ 𝐴 ∈ 𝑁) → (𝑤 ∈ 𝑆 → 𝑤 ∈ ran 𝐹)) |
| 60 | 59 | ssrdv 3609 |
. 2
⊢ ((𝑆 ∈ (SubGrp‘𝐺) ∧ 𝐴 ∈ 𝑁) → 𝑆 ⊆ ran 𝐹) |
| 61 | 1 | ad2antrr 762 |
. . . . . 6
⊢ (((𝑆 ∈ (SubGrp‘𝐺) ∧ 𝐴 ∈ 𝑁) ∧ 𝑥 ∈ 𝑆) → 𝐺 ∈ Grp) |
| 62 | | simplr 792 |
. . . . . . 7
⊢ (((𝑆 ∈ (SubGrp‘𝐺) ∧ 𝐴 ∈ 𝑁) ∧ 𝑥 ∈ 𝑆) → 𝐴 ∈ 𝑁) |
| 63 | 5, 62 | sseldi 3601 |
. . . . . 6
⊢ (((𝑆 ∈ (SubGrp‘𝐺) ∧ 𝐴 ∈ 𝑁) ∧ 𝑥 ∈ 𝑆) → 𝐴 ∈ 𝑋) |
| 64 | 13 | sselda 3603 |
. . . . . 6
⊢ (((𝑆 ∈ (SubGrp‘𝐺) ∧ 𝐴 ∈ 𝑁) ∧ 𝑥 ∈ 𝑆) → 𝑥 ∈ 𝑋) |
| 65 | 8, 15, 50 | grpaddsubass 17505 |
. . . . . 6
⊢ ((𝐺 ∈ Grp ∧ (𝐴 ∈ 𝑋 ∧ 𝑥 ∈ 𝑋 ∧ 𝐴 ∈ 𝑋)) → ((𝐴 + 𝑥) − 𝐴) = (𝐴 + (𝑥 − 𝐴))) |
| 66 | 61, 63, 64, 63, 65 | syl13anc 1328 |
. . . . 5
⊢ (((𝑆 ∈ (SubGrp‘𝐺) ∧ 𝐴 ∈ 𝑁) ∧ 𝑥 ∈ 𝑆) → ((𝐴 + 𝑥) − 𝐴) = (𝐴 + (𝑥 − 𝐴))) |
| 67 | 8, 15, 50 | grpnpcan 17507 |
. . . . . . . 8
⊢ ((𝐺 ∈ Grp ∧ 𝑥 ∈ 𝑋 ∧ 𝐴 ∈ 𝑋) → ((𝑥 − 𝐴) + 𝐴) = 𝑥) |
| 68 | 61, 64, 63, 67 | syl3anc 1326 |
. . . . . . 7
⊢ (((𝑆 ∈ (SubGrp‘𝐺) ∧ 𝐴 ∈ 𝑁) ∧ 𝑥 ∈ 𝑆) → ((𝑥 − 𝐴) + 𝐴) = 𝑥) |
| 69 | | simpr 477 |
. . . . . . 7
⊢ (((𝑆 ∈ (SubGrp‘𝐺) ∧ 𝐴 ∈ 𝑁) ∧ 𝑥 ∈ 𝑆) → 𝑥 ∈ 𝑆) |
| 70 | 68, 69 | eqeltrd 2701 |
. . . . . 6
⊢ (((𝑆 ∈ (SubGrp‘𝐺) ∧ 𝐴 ∈ 𝑁) ∧ 𝑥 ∈ 𝑆) → ((𝑥 − 𝐴) + 𝐴) ∈ 𝑆) |
| 71 | 8, 50 | grpsubcl 17495 |
. . . . . . . 8
⊢ ((𝐺 ∈ Grp ∧ 𝑥 ∈ 𝑋 ∧ 𝐴 ∈ 𝑋) → (𝑥 − 𝐴) ∈ 𝑋) |
| 72 | 61, 64, 63, 71 | syl3anc 1326 |
. . . . . . 7
⊢ (((𝑆 ∈ (SubGrp‘𝐺) ∧ 𝐴 ∈ 𝑁) ∧ 𝑥 ∈ 𝑆) → (𝑥 − 𝐴) ∈ 𝑋) |
| 73 | 3 | nmzbi 17634 |
. . . . . . 7
⊢ ((𝐴 ∈ 𝑁 ∧ (𝑥 − 𝐴) ∈ 𝑋) → ((𝐴 + (𝑥 − 𝐴)) ∈ 𝑆 ↔ ((𝑥 − 𝐴) + 𝐴) ∈ 𝑆)) |
| 74 | 62, 72, 73 | syl2anc 693 |
. . . . . 6
⊢ (((𝑆 ∈ (SubGrp‘𝐺) ∧ 𝐴 ∈ 𝑁) ∧ 𝑥 ∈ 𝑆) → ((𝐴 + (𝑥 − 𝐴)) ∈ 𝑆 ↔ ((𝑥 − 𝐴) + 𝐴) ∈ 𝑆)) |
| 75 | 70, 74 | mpbird 247 |
. . . . 5
⊢ (((𝑆 ∈ (SubGrp‘𝐺) ∧ 𝐴 ∈ 𝑁) ∧ 𝑥 ∈ 𝑆) → (𝐴 + (𝑥 − 𝐴)) ∈ 𝑆) |
| 76 | 66, 75 | eqeltrd 2701 |
. . . 4
⊢ (((𝑆 ∈ (SubGrp‘𝐺) ∧ 𝐴 ∈ 𝑁) ∧ 𝑥 ∈ 𝑆) → ((𝐴 + 𝑥) − 𝐴) ∈ 𝑆) |
| 77 | 76, 37 | fmptd 6385 |
. . 3
⊢ ((𝑆 ∈ (SubGrp‘𝐺) ∧ 𝐴 ∈ 𝑁) → 𝐹:𝑆⟶𝑆) |
| 78 | | frn 6053 |
. . 3
⊢ (𝐹:𝑆⟶𝑆 → ran 𝐹 ⊆ 𝑆) |
| 79 | 77, 78 | syl 17 |
. 2
⊢ ((𝑆 ∈ (SubGrp‘𝐺) ∧ 𝐴 ∈ 𝑁) → ran 𝐹 ⊆ 𝑆) |
| 80 | 60, 79 | eqssd 3620 |
1
⊢ ((𝑆 ∈ (SubGrp‘𝐺) ∧ 𝐴 ∈ 𝑁) → 𝑆 = ran 𝐹) |