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| Mirrors > Home > MPE Home > Th. List > Mathboxes > lsmsnorb2 | Structured version Visualization version GIF version | ||
| Description: The sumset of a single element with a group is the element's orbit by the group action. See gaorb 19365. (Contributed by Thierry Arnoux, 24-Jul-2024.) |
| Ref | Expression |
|---|---|
| lsmsnorb2.1 | ⊢ 𝐵 = (Base‘𝐺) |
| lsmsnorb2.2 | ⊢ + = (+g‘𝐺) |
| lsmsnorb2.3 | ⊢ ⊕ = (LSSum‘𝐺) |
| lsmsnorb2.4 | ⊢ ∼ = {〈𝑥, 𝑦〉 ∣ ({𝑥, 𝑦} ⊆ 𝐵 ∧ ∃𝑔 ∈ 𝐴 (𝑥 + 𝑔) = 𝑦)} |
| lsmsnorb2.5 | ⊢ (𝜑 → 𝐺 ∈ Mnd) |
| lsmsnorb2.6 | ⊢ (𝜑 → 𝐴 ⊆ 𝐵) |
| lsmsnorb2.7 | ⊢ (𝜑 → 𝑋 ∈ 𝐵) |
| Ref | Expression |
|---|---|
| lsmsnorb2 | ⊢ (𝜑 → ({𝑋} ⊕ 𝐴) = [𝑋] ∼ ) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | eqid 2765 | . . 3 ⊢ (oppg‘𝐺) = (oppg‘𝐺) | |
| 2 | lsmsnorb2.3 | . . 3 ⊢ ⊕ = (LSSum‘𝐺) | |
| 3 | 1, 2 | oppglsm 19700 | . 2 ⊢ (𝐴(LSSum‘(oppg‘𝐺)){𝑋}) = ({𝑋} ⊕ 𝐴) |
| 4 | lsmsnorb2.1 | . . . 4 ⊢ 𝐵 = (Base‘𝐺) | |
| 5 | 1, 4 | oppgbas 19409 | . . 3 ⊢ 𝐵 = (Base‘(oppg‘𝐺)) |
| 6 | eqid 2765 | . . 3 ⊢ (+g‘(oppg‘𝐺)) = (+g‘(oppg‘𝐺)) | |
| 7 | eqid 2765 | . . 3 ⊢ (LSSum‘(oppg‘𝐺)) = (LSSum‘(oppg‘𝐺)) | |
| 8 | lsmsnorb2.4 | . . . 4 ⊢ ∼ = {〈𝑥, 𝑦〉 ∣ ({𝑥, 𝑦} ⊆ 𝐵 ∧ ∃𝑔 ∈ 𝐴 (𝑥 + 𝑔) = 𝑦)} | |
| 9 | lsmsnorb2.2 | . . . . . . . . 9 ⊢ + = (+g‘𝐺) | |
| 10 | 9, 1, 6 | oppgplus 19407 | . . . . . . . 8 ⊢ (𝑔(+g‘(oppg‘𝐺))𝑥) = (𝑥 + 𝑔) |
| 11 | 10 | eqeq1i 2770 | . . . . . . 7 ⊢ ((𝑔(+g‘(oppg‘𝐺))𝑥) = 𝑦 ↔ (𝑥 + 𝑔) = 𝑦) |
| 12 | 11 | rexbii 3112 | . . . . . 6 ⊢ (∃𝑔 ∈ 𝐴 (𝑔(+g‘(oppg‘𝐺))𝑥) = 𝑦 ↔ ∃𝑔 ∈ 𝐴 (𝑥 + 𝑔) = 𝑦) |
| 13 | 12 | anbi2i 634 | . . . . 5 ⊢ (({𝑥, 𝑦} ⊆ 𝐵 ∧ ∃𝑔 ∈ 𝐴 (𝑔(+g‘(oppg‘𝐺))𝑥) = 𝑦) ↔ ({𝑥, 𝑦} ⊆ 𝐵 ∧ ∃𝑔 ∈ 𝐴 (𝑥 + 𝑔) = 𝑦)) |
| 14 | 13 | opabbii 5171 | . . . 4 ⊢ {〈𝑥, 𝑦〉 ∣ ({𝑥, 𝑦} ⊆ 𝐵 ∧ ∃𝑔 ∈ 𝐴 (𝑔(+g‘(oppg‘𝐺))𝑥) = 𝑦)} = {〈𝑥, 𝑦〉 ∣ ({𝑥, 𝑦} ⊆ 𝐵 ∧ ∃𝑔 ∈ 𝐴 (𝑥 + 𝑔) = 𝑦)} |
| 15 | 8, 14 | eqtr4i 2791 | . . 3 ⊢ ∼ = {〈𝑥, 𝑦〉 ∣ ({𝑥, 𝑦} ⊆ 𝐵 ∧ ∃𝑔 ∈ 𝐴 (𝑔(+g‘(oppg‘𝐺))𝑥) = 𝑦)} |
| 16 | lsmsnorb2.5 | . . . 4 ⊢ (𝜑 → 𝐺 ∈ Mnd) | |
| 17 | 1 | oppgmnd 19412 | . . . 4 ⊢ (𝐺 ∈ Mnd → (oppg‘𝐺) ∈ Mnd) |
| 18 | 16, 17 | syl 18 | . . 3 ⊢ (𝜑 → (oppg‘𝐺) ∈ Mnd) |
| 19 | lsmsnorb2.6 | . . 3 ⊢ (𝜑 → 𝐴 ⊆ 𝐵) | |
| 20 | lsmsnorb2.7 | . . 3 ⊢ (𝜑 → 𝑋 ∈ 𝐵) | |
| 21 | 5, 6, 7, 15, 18, 19, 20 | lsmsnorb 33615 | . 2 ⊢ (𝜑 → (𝐴(LSSum‘(oppg‘𝐺)){𝑋}) = [𝑋] ∼ ) |
| 22 | 3, 21 | eqtr3id 2814 | 1 ⊢ (𝜑 → ({𝑋} ⊕ 𝐴) = [𝑋] ∼ ) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 400 = wceq 1563 ∈ wcel 2145 ∃wrex 3089 ⊆ wss 3907 {csn 4585 {cpr 4587 {copab 5166 ‘cfv 6525 (class class class)co 7400 [cec 8680 Basecbs 17257 +gcplusg 17298 Mndcmnd 18780 oppgcoppg 19403 LSSumclsm 19692 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1818 ax-4 1832 ax-5 1933 ax-6 1990 ax-7 2031 ax-8 2147 ax-9 2155 ax-10 2178 ax-11 2194 ax-12 2215 ax-ext 2737 ax-rep 5231 ax-sep 5250 ax-nul 5260 ax-pow 5326 ax-pr 5394 ax-un 7722 ax-cnex 11144 ax-resscn 11145 ax-1cn 11146 ax-icn 11147 ax-addcl 11148 ax-addrcl 11149 ax-mulcl 11150 ax-mulrcl 11151 ax-mulcom 11152 ax-addass 11153 ax-mulass 11154 ax-distr 11155 ax-i2m1 11156 ax-1ne0 11157 ax-1rid 11158 ax-rnegex 11159 ax-rrecex 11160 ax-cnre 11161 ax-pre-lttri 11162 ax-pre-lttrn 11163 ax-pre-ltadd 11164 ax-pre-mulgt0 11165 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3or 1102 df-3an 1103 df-tru 1566 df-fal 1576 df-ex 1803 df-nf 1807 df-sb 2094 df-mo 2569 df-eu 2599 df-clab 2744 df-cleq 2757 df-clel 2840 df-nfc 2914 df-ne 2961 df-nel 3065 df-ral 3080 df-rex 3090 df-rmo 3370 df-reu 3371 df-rab 3418 df-v 3459 df-sbc 3748 df-csb 3856 df-dif 3910 df-un 3912 df-in 3914 df-ss 3924 df-pss 3927 df-nul 4289 df-if 4484 df-pw 4560 df-sn 4586 df-pr 4588 df-op 4592 df-uni 4868 df-iun 4953 df-br 5105 df-opab 5167 df-mpt 5186 df-tr 5212 df-id 5546 df-eprel 5551 df-po 5559 df-so 5560 df-fr 5604 df-we 5606 df-xp 5657 df-rel 5658 df-cnv 5659 df-co 5660 df-dm 5661 df-rn 5662 df-res 5663 df-ima 5664 df-pred 6291 df-ord 6352 df-on 6353 df-lim 6354 df-suc 6355 df-iota 6481 df-fun 6527 df-fn 6528 df-f 6529 df-f1 6530 df-fo 6531 df-f1o 6532 df-fv 6533 df-riota 7357 df-ov 7403 df-oprab 7404 df-mpo 7405 df-om 7851 df-1st 7974 df-2nd 7975 df-tpos 8210 df-frecs 8266 df-wrecs 8297 df-recs 8346 df-rdg 8385 df-er 8682 df-ec 8684 df-en 8932 df-dom 8933 df-sdom 8934 df-pnf 11233 df-mnf 11234 df-xr 11235 df-ltxr 11236 df-le 11237 df-sub 11431 df-neg 11432 df-nn 12222 df-2 12291 df-sets 17212 df-slot 17230 df-ndx 17242 df-base 17258 df-plusg 17311 df-0g 17482 df-mgm 18686 df-sgrp 18765 df-mnd 18781 df-oppg 19404 df-lsm 19694 |
| This theorem is referenced by: quslsm 33625 |
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