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| Mirrors > Home > ILE Home > Th. List > gsumsubm | GIF version | ||
| Description: Evaluate a group sum in a submonoid. (Contributed by Mario Carneiro, 19-Dec-2014.) |
| Ref | Expression |
|---|---|
| gsumsubm.a | ⊢ (𝜑 → 𝐴 ∈ 𝑉) |
| gsumsubm.s | ⊢ (𝜑 → 𝑆 ∈ (SubMnd‘𝐺)) |
| gsumsubm.f | ⊢ (𝜑 → 𝐹:𝐴⟶𝑆) |
| gsumsubm.h | ⊢ 𝐻 = (𝐺 ↾s 𝑆) |
| Ref | Expression |
|---|---|
| gsumsubm | ⊢ (𝜑 → (𝐺 Σg 𝐹) = (𝐻 Σg 𝐹)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | eqid 2231 | . 2 ⊢ (Base‘𝐺) = (Base‘𝐺) | |
| 2 | eqid 2231 | . 2 ⊢ (+g‘𝐺) = (+g‘𝐺) | |
| 3 | gsumsubm.h | . 2 ⊢ 𝐻 = (𝐺 ↾s 𝑆) | |
| 4 | gsumsubm.s | . . 3 ⊢ (𝜑 → 𝑆 ∈ (SubMnd‘𝐺)) | |
| 5 | submrcl 13615 | . . 3 ⊢ (𝑆 ∈ (SubMnd‘𝐺) → 𝐺 ∈ Mnd) | |
| 6 | 4, 5 | syl 14 | . 2 ⊢ (𝜑 → 𝐺 ∈ Mnd) |
| 7 | gsumsubm.a | . 2 ⊢ (𝜑 → 𝐴 ∈ 𝑉) | |
| 8 | 1 | submss 13620 | . . 3 ⊢ (𝑆 ∈ (SubMnd‘𝐺) → 𝑆 ⊆ (Base‘𝐺)) |
| 9 | 4, 8 | syl 14 | . 2 ⊢ (𝜑 → 𝑆 ⊆ (Base‘𝐺)) |
| 10 | gsumsubm.f | . 2 ⊢ (𝜑 → 𝐹:𝐴⟶𝑆) | |
| 11 | eqid 2231 | . . . 4 ⊢ (0g‘𝐺) = (0g‘𝐺) | |
| 12 | 11 | subm0cl 13622 | . . 3 ⊢ (𝑆 ∈ (SubMnd‘𝐺) → (0g‘𝐺) ∈ 𝑆) |
| 13 | 4, 12 | syl 14 | . 2 ⊢ (𝜑 → (0g‘𝐺) ∈ 𝑆) |
| 14 | 1, 2, 11 | mndlrid 13578 | . . 3 ⊢ ((𝐺 ∈ Mnd ∧ 𝑥 ∈ (Base‘𝐺)) → (((0g‘𝐺)(+g‘𝐺)𝑥) = 𝑥 ∧ (𝑥(+g‘𝐺)(0g‘𝐺)) = 𝑥)) |
| 15 | 6, 14 | sylan 283 | . 2 ⊢ ((𝜑 ∧ 𝑥 ∈ (Base‘𝐺)) → (((0g‘𝐺)(+g‘𝐺)𝑥) = 𝑥 ∧ (𝑥(+g‘𝐺)(0g‘𝐺)) = 𝑥)) |
| 16 | 1, 2, 3, 6, 7, 9, 10, 13, 15 | gsumress 13539 | 1 ⊢ (𝜑 → (𝐺 Σg 𝐹) = (𝐻 Σg 𝐹)) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 ∧ wa 104 = wceq 1398 ∈ wcel 2202 ⊆ wss 3201 ⟶wf 5329 ‘cfv 5333 (class class class)co 6028 Basecbs 13143 ↾s cress 13144 +gcplusg 13221 0gc0g 13400 Σg cgsu 13401 Mndcmnd 13560 SubMndcsubmnd 13602 |
| 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 619 ax-in2 620 ax-io 717 ax-5 1496 ax-7 1497 ax-gen 1498 ax-ie1 1542 ax-ie2 1543 ax-8 1553 ax-10 1554 ax-11 1555 ax-i12 1556 ax-bndl 1558 ax-4 1559 ax-17 1575 ax-i9 1579 ax-ial 1583 ax-i5r 1584 ax-13 2204 ax-14 2205 ax-ext 2213 ax-coll 4209 ax-sep 4212 ax-pow 4270 ax-pr 4305 ax-un 4536 ax-setind 4641 ax-cnex 8166 ax-resscn 8167 ax-1cn 8168 ax-1re 8169 ax-icn 8170 ax-addcl 8171 ax-addrcl 8172 ax-mulcl 8173 ax-addcom 8175 ax-addass 8177 ax-i2m1 8180 ax-0lt1 8181 ax-0id 8183 ax-rnegex 8184 ax-pre-ltirr 8187 ax-pre-ltadd 8191 |
| This theorem depends on definitions: df-bi 117 df-3or 1006 df-3an 1007 df-tru 1401 df-fal 1404 df-nf 1510 df-sb 1811 df-eu 2082 df-mo 2083 df-clab 2218 df-cleq 2224 df-clel 2227 df-nfc 2364 df-ne 2404 df-nel 2499 df-ral 2516 df-rex 2517 df-reu 2518 df-rmo 2519 df-rab 2520 df-v 2805 df-sbc 3033 df-csb 3129 df-dif 3203 df-un 3205 df-in 3207 df-ss 3214 df-nul 3497 df-pw 3658 df-sn 3679 df-pr 3680 df-op 3682 df-uni 3899 df-int 3934 df-iun 3977 df-br 4094 df-opab 4156 df-mpt 4157 df-id 4396 df-xp 4737 df-rel 4738 df-cnv 4739 df-co 4740 df-dm 4741 df-rn 4742 df-res 4743 df-ima 4744 df-iota 5293 df-fun 5335 df-fn 5336 df-f 5337 df-f1 5338 df-fo 5339 df-f1o 5340 df-fv 5341 df-riota 5981 df-ov 6031 df-oprab 6032 df-mpo 6033 df-recs 6514 df-frec 6600 df-pnf 8259 df-mnf 8260 df-ltxr 8262 df-neg 8396 df-inn 9187 df-2 9245 df-z 9523 df-uz 9799 df-seqfrec 10754 df-ndx 13146 df-slot 13147 df-base 13149 df-sets 13150 df-iress 13151 df-plusg 13234 df-0g 13402 df-igsum 13403 df-mgm 13500 df-sgrp 13546 df-mnd 13561 df-submnd 13604 |
| This theorem is referenced by: lgseisenlem4 15872 |
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