Mathbox for Thierry Arnoux |
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Mirrors > Home > MPE Home > Th. List > Mathboxes > gsumncl | Structured version Visualization version GIF version |
Description: Closure of a group sum in a non-commutative monoid. (Contributed by Thierry Arnoux, 8-Oct-2018.) |
Ref | Expression |
---|---|
gsumncl.k | ⊢ 𝐾 = (Base‘𝑀) |
gsumncl.w | ⊢ (𝜑 → 𝑀 ∈ Mnd) |
gsumncl.p | ⊢ (𝜑 → 𝑃 ∈ (ℤ≥‘𝑁)) |
gsumncl.b | ⊢ ((𝜑 ∧ 𝑘 ∈ (𝑁...𝑃)) → 𝐵 ∈ 𝐾) |
Ref | Expression |
---|---|
gsumncl | ⊢ (𝜑 → (𝑀 Σg (𝑘 ∈ (𝑁...𝑃) ↦ 𝐵)) ∈ 𝐾) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | gsumncl.k | . . 3 ⊢ 𝐾 = (Base‘𝑀) | |
2 | eqid 2821 | . . 3 ⊢ (+g‘𝑀) = (+g‘𝑀) | |
3 | gsumncl.w | . . 3 ⊢ (𝜑 → 𝑀 ∈ Mnd) | |
4 | gsumncl.p | . . 3 ⊢ (𝜑 → 𝑃 ∈ (ℤ≥‘𝑁)) | |
5 | gsumncl.b | . . . 4 ⊢ ((𝜑 ∧ 𝑘 ∈ (𝑁...𝑃)) → 𝐵 ∈ 𝐾) | |
6 | 5 | fmpttd 6879 | . . 3 ⊢ (𝜑 → (𝑘 ∈ (𝑁...𝑃) ↦ 𝐵):(𝑁...𝑃)⟶𝐾) |
7 | 1, 2, 3, 4, 6 | gsumval2 17896 | . 2 ⊢ (𝜑 → (𝑀 Σg (𝑘 ∈ (𝑁...𝑃) ↦ 𝐵)) = (seq𝑁((+g‘𝑀), (𝑘 ∈ (𝑁...𝑃) ↦ 𝐵))‘𝑃)) |
8 | 6 | ffvelrnda 6851 | . . 3 ⊢ ((𝜑 ∧ 𝑥 ∈ (𝑁...𝑃)) → ((𝑘 ∈ (𝑁...𝑃) ↦ 𝐵)‘𝑥) ∈ 𝐾) |
9 | 3 | adantr 483 | . . . 4 ⊢ ((𝜑 ∧ (𝑥 ∈ 𝐾 ∧ 𝑦 ∈ 𝐾)) → 𝑀 ∈ Mnd) |
10 | simprl 769 | . . . 4 ⊢ ((𝜑 ∧ (𝑥 ∈ 𝐾 ∧ 𝑦 ∈ 𝐾)) → 𝑥 ∈ 𝐾) | |
11 | simprr 771 | . . . 4 ⊢ ((𝜑 ∧ (𝑥 ∈ 𝐾 ∧ 𝑦 ∈ 𝐾)) → 𝑦 ∈ 𝐾) | |
12 | 1, 2 | mndcl 17919 | . . . 4 ⊢ ((𝑀 ∈ Mnd ∧ 𝑥 ∈ 𝐾 ∧ 𝑦 ∈ 𝐾) → (𝑥(+g‘𝑀)𝑦) ∈ 𝐾) |
13 | 9, 10, 11, 12 | syl3anc 1367 | . . 3 ⊢ ((𝜑 ∧ (𝑥 ∈ 𝐾 ∧ 𝑦 ∈ 𝐾)) → (𝑥(+g‘𝑀)𝑦) ∈ 𝐾) |
14 | 4, 8, 13 | seqcl 13391 | . 2 ⊢ (𝜑 → (seq𝑁((+g‘𝑀), (𝑘 ∈ (𝑁...𝑃) ↦ 𝐵))‘𝑃) ∈ 𝐾) |
15 | 7, 14 | eqeltrd 2913 | 1 ⊢ (𝜑 → (𝑀 Σg (𝑘 ∈ (𝑁...𝑃) ↦ 𝐵)) ∈ 𝐾) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 398 = wceq 1537 ∈ wcel 2114 ↦ cmpt 5146 ‘cfv 6355 (class class class)co 7156 ℤ≥cuz 12244 ...cfz 12893 seqcseq 13370 Basecbs 16483 +gcplusg 16565 Σg cgsu 16714 Mndcmnd 17911 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1911 ax-6 1970 ax-7 2015 ax-8 2116 ax-9 2124 ax-10 2145 ax-11 2161 ax-12 2177 ax-ext 2793 ax-sep 5203 ax-nul 5210 ax-pow 5266 ax-pr 5330 ax-un 7461 ax-cnex 10593 ax-resscn 10594 ax-1cn 10595 ax-icn 10596 ax-addcl 10597 ax-addrcl 10598 ax-mulcl 10599 ax-mulrcl 10600 ax-mulcom 10601 ax-addass 10602 ax-mulass 10603 ax-distr 10604 ax-i2m1 10605 ax-1ne0 10606 ax-1rid 10607 ax-rnegex 10608 ax-rrecex 10609 ax-cnre 10610 ax-pre-lttri 10611 ax-pre-lttrn 10612 ax-pre-ltadd 10613 ax-pre-mulgt0 10614 |
This theorem depends on definitions: df-bi 209 df-an 399 df-or 844 df-3or 1084 df-3an 1085 df-tru 1540 df-ex 1781 df-nf 1785 df-sb 2070 df-mo 2622 df-eu 2654 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 3773 df-csb 3884 df-dif 3939 df-un 3941 df-in 3943 df-ss 3952 df-pss 3954 df-nul 4292 df-if 4468 df-pw 4541 df-sn 4568 df-pr 4570 df-tp 4572 df-op 4574 df-uni 4839 df-iun 4921 df-br 5067 df-opab 5129 df-mpt 5147 df-tr 5173 df-id 5460 df-eprel 5465 df-po 5474 df-so 5475 df-fr 5514 df-we 5516 df-xp 5561 df-rel 5562 df-cnv 5563 df-co 5564 df-dm 5565 df-rn 5566 df-res 5567 df-ima 5568 df-pred 6148 df-ord 6194 df-on 6195 df-lim 6196 df-suc 6197 df-iota 6314 df-fun 6357 df-fn 6358 df-f 6359 df-f1 6360 df-fo 6361 df-f1o 6362 df-fv 6363 df-riota 7114 df-ov 7159 df-oprab 7160 df-mpo 7161 df-om 7581 df-1st 7689 df-2nd 7690 df-wrecs 7947 df-recs 8008 df-rdg 8046 df-er 8289 df-en 8510 df-dom 8511 df-sdom 8512 df-pnf 10677 df-mnf 10678 df-xr 10679 df-ltxr 10680 df-le 10681 df-sub 10872 df-neg 10873 df-nn 11639 df-n0 11899 df-z 11983 df-uz 12245 df-fz 12894 df-seq 13371 df-0g 16715 df-gsum 16716 df-mgm 17852 df-sgrp 17901 df-mnd 17912 |
This theorem is referenced by: signstcl 31835 signstf 31836 |
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