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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 19282. (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 2736 | . . 3 ⊢ (oppg‘𝐺) = (oppg‘𝐺) | |
| 2 | lsmsnorb2.3 | . . 3 ⊢ ⊕ = (LSSum‘𝐺) | |
| 3 | 1, 2 | oppglsm 19617 | . 2 ⊢ (𝐴(LSSum‘(oppg‘𝐺)){𝑋}) = ({𝑋} ⊕ 𝐴) |
| 4 | lsmsnorb2.1 | . . . 4 ⊢ 𝐵 = (Base‘𝐺) | |
| 5 | 1, 4 | oppgbas 19326 | . . 3 ⊢ 𝐵 = (Base‘(oppg‘𝐺)) |
| 6 | eqid 2736 | . . 3 ⊢ (+g‘(oppg‘𝐺)) = (+g‘(oppg‘𝐺)) | |
| 7 | eqid 2736 | . . 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 19324 | . . . . . . . 8 ⊢ (𝑔(+g‘(oppg‘𝐺))𝑥) = (𝑥 + 𝑔) |
| 11 | 10 | eqeq1i 2741 | . . . . . . 7 ⊢ ((𝑔(+g‘(oppg‘𝐺))𝑥) = 𝑦 ↔ (𝑥 + 𝑔) = 𝑦) |
| 12 | 11 | rexbii 3084 | . . . . . 6 ⊢ (∃𝑔 ∈ 𝐴 (𝑔(+g‘(oppg‘𝐺))𝑥) = 𝑦 ↔ ∃𝑔 ∈ 𝐴 (𝑥 + 𝑔) = 𝑦) |
| 13 | 12 | anbi2i 624 | . . . . 5 ⊢ (({𝑥, 𝑦} ⊆ 𝐵 ∧ ∃𝑔 ∈ 𝐴 (𝑔(+g‘(oppg‘𝐺))𝑥) = 𝑦) ↔ ({𝑥, 𝑦} ⊆ 𝐵 ∧ ∃𝑔 ∈ 𝐴 (𝑥 + 𝑔) = 𝑦)) |
| 14 | 13 | opabbii 5152 | . . . 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 2762 | . . 3 ⊢ ∼ = {〈𝑥, 𝑦〉 ∣ ({𝑥, 𝑦} ⊆ 𝐵 ∧ ∃𝑔 ∈ 𝐴 (𝑔(+g‘(oppg‘𝐺))𝑥) = 𝑦)} |
| 16 | lsmsnorb2.5 | . . . 4 ⊢ (𝜑 → 𝐺 ∈ Mnd) | |
| 17 | 1 | oppgmnd 19329 | . . . 4 ⊢ (𝐺 ∈ Mnd → (oppg‘𝐺) ∈ Mnd) |
| 18 | 16, 17 | syl 17 | . . 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 33451 | . 2 ⊢ (𝜑 → (𝐴(LSSum‘(oppg‘𝐺)){𝑋}) = [𝑋] ∼ ) |
| 22 | 3, 21 | eqtr3id 2785 | 1 ⊢ (𝜑 → ({𝑋} ⊕ 𝐴) = [𝑋] ∼ ) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 395 = wceq 1542 ∈ wcel 2114 ∃wrex 3061 ⊆ wss 3889 {csn 4567 {cpr 4569 {copab 5147 ‘cfv 6498 (class class class)co 7367 [cec 8641 Basecbs 17179 +gcplusg 17220 Mndcmnd 18702 oppgcoppg 19320 LSSumclsm 19609 |
| 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 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-9 2124 ax-10 2147 ax-11 2163 ax-12 2185 ax-ext 2708 ax-rep 5212 ax-sep 5231 ax-nul 5241 ax-pow 5307 ax-pr 5375 ax-un 7689 ax-cnex 11094 ax-resscn 11095 ax-1cn 11096 ax-icn 11097 ax-addcl 11098 ax-addrcl 11099 ax-mulcl 11100 ax-mulrcl 11101 ax-mulcom 11102 ax-addass 11103 ax-mulass 11104 ax-distr 11105 ax-i2m1 11106 ax-1ne0 11107 ax-1rid 11108 ax-rnegex 11109 ax-rrecex 11110 ax-cnre 11111 ax-pre-lttri 11112 ax-pre-lttrn 11113 ax-pre-ltadd 11114 ax-pre-mulgt0 11115 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3or 1088 df-3an 1089 df-tru 1545 df-fal 1555 df-ex 1782 df-nf 1786 df-sb 2069 df-mo 2539 df-eu 2569 df-clab 2715 df-cleq 2728 df-clel 2811 df-nfc 2885 df-ne 2933 df-nel 3037 df-ral 3052 df-rex 3062 df-rmo 3342 df-reu 3343 df-rab 3390 df-v 3431 df-sbc 3729 df-csb 3838 df-dif 3892 df-un 3894 df-in 3896 df-ss 3906 df-pss 3909 df-nul 4274 df-if 4467 df-pw 4543 df-sn 4568 df-pr 4570 df-op 4574 df-uni 4851 df-iun 4935 df-br 5086 df-opab 5148 df-mpt 5167 df-tr 5193 df-id 5526 df-eprel 5531 df-po 5539 df-so 5540 df-fr 5584 df-we 5586 df-xp 5637 df-rel 5638 df-cnv 5639 df-co 5640 df-dm 5641 df-rn 5642 df-res 5643 df-ima 5644 df-pred 6265 df-ord 6326 df-on 6327 df-lim 6328 df-suc 6329 df-iota 6454 df-fun 6500 df-fn 6501 df-f 6502 df-f1 6503 df-fo 6504 df-f1o 6505 df-fv 6506 df-riota 7324 df-ov 7370 df-oprab 7371 df-mpo 7372 df-om 7818 df-1st 7942 df-2nd 7943 df-tpos 8176 df-frecs 8231 df-wrecs 8262 df-recs 8311 df-rdg 8349 df-er 8643 df-ec 8645 df-en 8894 df-dom 8895 df-sdom 8896 df-pnf 11181 df-mnf 11182 df-xr 11183 df-ltxr 11184 df-le 11185 df-sub 11379 df-neg 11380 df-nn 12175 df-2 12244 df-sets 17134 df-slot 17152 df-ndx 17164 df-base 17180 df-plusg 17233 df-0g 17404 df-mgm 18608 df-sgrp 18687 df-mnd 18703 df-oppg 19321 df-lsm 19611 |
| This theorem is referenced by: quslsm 33465 |
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