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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 2234 | . 2 ⊢ (Base‘𝐺) = (Base‘𝐺) | |
| 2 | eqid 2234 | . 2 ⊢ (+g‘𝐺) = (+g‘𝐺) | |
| 3 | gsumsubm.h | . 2 ⊢ 𝐻 = (𝐺 ↾s 𝑆) | |
| 4 | gsumsubm.s | . . 3 ⊢ (𝜑 → 𝑆 ∈ (SubMnd‘𝐺)) | |
| 5 | submrcl 13768 | . . 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 13773 | . . 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 2234 | . . . 4 ⊢ (0g‘𝐺) = (0g‘𝐺) | |
| 12 | 11 | subm0cl 13775 | . . 3 ⊢ (𝑆 ∈ (SubMnd‘𝐺) → (0g‘𝐺) ∈ 𝑆) |
| 13 | 4, 12 | syl 14 | . 2 ⊢ (𝜑 → (0g‘𝐺) ∈ 𝑆) |
| 14 | 1, 2, 11 | mndlrid 13731 | . . 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 13692 | 1 ⊢ (𝜑 → (𝐺 Σg 𝐹) = (𝐻 Σg 𝐹)) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 ∧ wa 104 = wceq 1398 ∈ wcel 2205 ⊆ wss 3214 ⟶wf 5353 ‘cfv 5357 (class class class)co 6058 Basecbs 13296 ↾s cress 13297 +gcplusg 13374 0gc0g 13553 Σg cgsu 13554 Mndcmnd 13713 SubMndcsubmnd 13755 |
| 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 2207 ax-14 2208 ax-ext 2216 ax-coll 4230 ax-sep 4233 ax-pow 4292 ax-pr 4327 ax-un 4559 ax-setind 4664 ax-cnex 8234 ax-resscn 8235 ax-1cn 8236 ax-1re 8237 ax-icn 8238 ax-addcl 8239 ax-addrcl 8240 ax-mulcl 8241 ax-addcom 8243 ax-addass 8245 ax-i2m1 8248 ax-0lt1 8249 ax-0id 8251 ax-rnegex 8252 ax-pre-ltirr 8255 ax-pre-ltadd 8259 |
| 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 1812 df-eu 2085 df-mo 2086 df-clab 2221 df-cleq 2227 df-clel 2230 df-nfc 2375 df-ne 2415 df-nel 2510 df-ral 2527 df-rex 2528 df-reu 2529 df-rmo 2530 df-rab 2531 df-v 2817 df-sbc 3046 df-csb 3142 df-dif 3216 df-un 3218 df-in 3220 df-ss 3227 df-nul 3513 df-pw 3676 df-sn 3700 df-pr 3701 df-op 3703 df-uni 3920 df-int 3955 df-iun 3998 df-br 4115 df-opab 4177 df-mpt 4178 df-id 4419 df-xp 4760 df-rel 4761 df-cnv 4762 df-co 4763 df-dm 4764 df-rn 4765 df-res 4766 df-ima 4767 df-iota 5317 df-fun 5359 df-fn 5360 df-f 5361 df-f1 5362 df-fo 5363 df-f1o 5364 df-fv 5365 df-riota 6011 df-ov 6061 df-oprab 6062 df-mpo 6063 df-recs 6549 df-frec 6635 df-pnf 8326 df-mnf 8327 df-ltxr 8329 df-neg 8463 df-inn 9255 df-2 9313 df-z 9595 df-uz 9872 df-seqfrec 10834 df-ndx 13299 df-slot 13300 df-base 13302 df-sets 13303 df-iress 13304 df-plusg 13387 df-0g 13555 df-igsum 13556 df-mgm 13653 df-sgrp 13699 df-mnd 13714 df-submnd 13757 |
| This theorem is referenced by: lgseisenlem4 16058 |
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