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Mirrors > Home > MPE Home > Th. List > subgdisj2 | Structured version Visualization version GIF version |
Description: Vectors belonging to disjoint commuting subgroups are uniquely determined by their sum. (Contributed by NM, 12-Jul-2014.) (Revised by Mario Carneiro, 19-Apr-2016.) |
Ref | Expression |
---|---|
subgdisj.p | ⊢ + = (+g‘𝐺) |
subgdisj.o | ⊢ 0 = (0g‘𝐺) |
subgdisj.z | ⊢ 𝑍 = (Cntz‘𝐺) |
subgdisj.t | ⊢ (𝜑 → 𝑇 ∈ (SubGrp‘𝐺)) |
subgdisj.u | ⊢ (𝜑 → 𝑈 ∈ (SubGrp‘𝐺)) |
subgdisj.i | ⊢ (𝜑 → (𝑇 ∩ 𝑈) = { 0 }) |
subgdisj.s | ⊢ (𝜑 → 𝑇 ⊆ (𝑍‘𝑈)) |
subgdisj.a | ⊢ (𝜑 → 𝐴 ∈ 𝑇) |
subgdisj.c | ⊢ (𝜑 → 𝐶 ∈ 𝑇) |
subgdisj.b | ⊢ (𝜑 → 𝐵 ∈ 𝑈) |
subgdisj.d | ⊢ (𝜑 → 𝐷 ∈ 𝑈) |
subgdisj.j | ⊢ (𝜑 → (𝐴 + 𝐵) = (𝐶 + 𝐷)) |
Ref | Expression |
---|---|
subgdisj2 | ⊢ (𝜑 → 𝐵 = 𝐷) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | subgdisj.p | . 2 ⊢ + = (+g‘𝐺) | |
2 | subgdisj.o | . 2 ⊢ 0 = (0g‘𝐺) | |
3 | subgdisj.z | . 2 ⊢ 𝑍 = (Cntz‘𝐺) | |
4 | subgdisj.u | . 2 ⊢ (𝜑 → 𝑈 ∈ (SubGrp‘𝐺)) | |
5 | subgdisj.t | . 2 ⊢ (𝜑 → 𝑇 ∈ (SubGrp‘𝐺)) | |
6 | incom 4177 | . . 3 ⊢ (𝑇 ∩ 𝑈) = (𝑈 ∩ 𝑇) | |
7 | subgdisj.i | . . 3 ⊢ (𝜑 → (𝑇 ∩ 𝑈) = { 0 }) | |
8 | 6, 7 | syl5eqr 2870 | . 2 ⊢ (𝜑 → (𝑈 ∩ 𝑇) = { 0 }) |
9 | subgdisj.s | . . 3 ⊢ (𝜑 → 𝑇 ⊆ (𝑍‘𝑈)) | |
10 | 3, 5, 4, 9 | cntzrecd 18798 | . 2 ⊢ (𝜑 → 𝑈 ⊆ (𝑍‘𝑇)) |
11 | subgdisj.b | . 2 ⊢ (𝜑 → 𝐵 ∈ 𝑈) | |
12 | subgdisj.d | . 2 ⊢ (𝜑 → 𝐷 ∈ 𝑈) | |
13 | subgdisj.a | . 2 ⊢ (𝜑 → 𝐴 ∈ 𝑇) | |
14 | subgdisj.c | . 2 ⊢ (𝜑 → 𝐶 ∈ 𝑇) | |
15 | subgdisj.j | . . 3 ⊢ (𝜑 → (𝐴 + 𝐵) = (𝐶 + 𝐷)) | |
16 | 9, 13 | sseldd 3967 | . . . 4 ⊢ (𝜑 → 𝐴 ∈ (𝑍‘𝑈)) |
17 | 1, 3 | cntzi 18453 | . . . 4 ⊢ ((𝐴 ∈ (𝑍‘𝑈) ∧ 𝐵 ∈ 𝑈) → (𝐴 + 𝐵) = (𝐵 + 𝐴)) |
18 | 16, 11, 17 | syl2anc 586 | . . 3 ⊢ (𝜑 → (𝐴 + 𝐵) = (𝐵 + 𝐴)) |
19 | 9, 14 | sseldd 3967 | . . . 4 ⊢ (𝜑 → 𝐶 ∈ (𝑍‘𝑈)) |
20 | 1, 3 | cntzi 18453 | . . . 4 ⊢ ((𝐶 ∈ (𝑍‘𝑈) ∧ 𝐷 ∈ 𝑈) → (𝐶 + 𝐷) = (𝐷 + 𝐶)) |
21 | 19, 12, 20 | syl2anc 586 | . . 3 ⊢ (𝜑 → (𝐶 + 𝐷) = (𝐷 + 𝐶)) |
22 | 15, 18, 21 | 3eqtr3d 2864 | . 2 ⊢ (𝜑 → (𝐵 + 𝐴) = (𝐷 + 𝐶)) |
23 | 1, 2, 3, 4, 5, 8, 10, 11, 12, 13, 14, 22 | subgdisj1 18811 | 1 ⊢ (𝜑 → 𝐵 = 𝐷) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 = wceq 1533 ∈ wcel 2110 ∩ cin 3934 ⊆ wss 3935 {csn 4560 ‘cfv 6349 (class class class)co 7150 +gcplusg 16559 0gc0g 16707 SubGrpcsubg 18267 Cntzccntz 18439 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1792 ax-4 1806 ax-5 1907 ax-6 1966 ax-7 2011 ax-8 2112 ax-9 2120 ax-10 2141 ax-11 2157 ax-12 2173 ax-ext 2793 ax-rep 5182 ax-sep 5195 ax-nul 5202 ax-pow 5258 ax-pr 5321 ax-un 7455 ax-cnex 10587 ax-resscn 10588 ax-1cn 10589 ax-icn 10590 ax-addcl 10591 ax-addrcl 10592 ax-mulcl 10593 ax-mulrcl 10594 ax-mulcom 10595 ax-addass 10596 ax-mulass 10597 ax-distr 10598 ax-i2m1 10599 ax-1ne0 10600 ax-1rid 10601 ax-rnegex 10602 ax-rrecex 10603 ax-cnre 10604 ax-pre-lttri 10605 ax-pre-lttrn 10606 ax-pre-ltadd 10607 ax-pre-mulgt0 10608 |
This theorem depends on definitions: df-bi 209 df-an 399 df-or 844 df-3or 1084 df-3an 1085 df-tru 1536 df-ex 1777 df-nf 1781 df-sb 2066 df-mo 2618 df-eu 2650 df-clab 2800 df-cleq 2814 df-clel 2893 df-nfc 2963 df-ne 3017 df-nel 3124 df-ral 3143 df-rex 3144 df-reu 3145 df-rmo 3146 df-rab 3147 df-v 3496 df-sbc 3772 df-csb 3883 df-dif 3938 df-un 3940 df-in 3942 df-ss 3951 df-pss 3953 df-nul 4291 df-if 4467 df-pw 4540 df-sn 4561 df-pr 4563 df-tp 4565 df-op 4567 df-uni 4832 df-iun 4913 df-br 5059 df-opab 5121 df-mpt 5139 df-tr 5165 df-id 5454 df-eprel 5459 df-po 5468 df-so 5469 df-fr 5508 df-we 5510 df-xp 5555 df-rel 5556 df-cnv 5557 df-co 5558 df-dm 5559 df-rn 5560 df-res 5561 df-ima 5562 df-pred 6142 df-ord 6188 df-on 6189 df-lim 6190 df-suc 6191 df-iota 6308 df-fun 6351 df-fn 6352 df-f 6353 df-f1 6354 df-fo 6355 df-f1o 6356 df-fv 6357 df-riota 7108 df-ov 7153 df-oprab 7154 df-mpo 7155 df-om 7575 df-1st 7683 df-2nd 7684 df-wrecs 7941 df-recs 8002 df-rdg 8040 df-er 8283 df-en 8504 df-dom 8505 df-sdom 8506 df-pnf 10671 df-mnf 10672 df-xr 10673 df-ltxr 10674 df-le 10675 df-sub 10866 df-neg 10867 df-nn 11633 df-2 11694 df-ndx 16480 df-slot 16481 df-base 16483 df-sets 16484 df-ress 16485 df-plusg 16572 df-0g 16709 df-mgm 17846 df-sgrp 17895 df-mnd 17906 df-grp 18100 df-minusg 18101 df-sbg 18102 df-subg 18270 df-cntz 18441 |
This theorem is referenced by: subgdisjb 18813 lvecindp 19904 lshpsmreu 36239 lshpkrlem5 36244 |
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