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| Mirrors > Home > ILE Home > Th. List > mulg1 | GIF version | ||
| Description: Group multiple (exponentiation) operation at one. (Contributed by Mario Carneiro, 11-Dec-2014.) |
| Ref | Expression |
|---|---|
| mulg1.b | ⊢ 𝐵 = (Base‘𝐺) |
| mulg1.m | ⊢ · = (.g‘𝐺) |
| Ref | Expression |
|---|---|
| mulg1 | ⊢ (𝑋 ∈ 𝐵 → (1 · 𝑋) = 𝑋) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | 1nn 9117 | . . 3 ⊢ 1 ∈ ℕ | |
| 2 | mulg1.b | . . . 4 ⊢ 𝐵 = (Base‘𝐺) | |
| 3 | eqid 2229 | . . . 4 ⊢ (+g‘𝐺) = (+g‘𝐺) | |
| 4 | mulg1.m | . . . 4 ⊢ · = (.g‘𝐺) | |
| 5 | eqid 2229 | . . . 4 ⊢ seq1((+g‘𝐺), (ℕ × {𝑋})) = seq1((+g‘𝐺), (ℕ × {𝑋})) | |
| 6 | 2, 3, 4, 5 | mulgnn 13658 | . . 3 ⊢ ((1 ∈ ℕ ∧ 𝑋 ∈ 𝐵) → (1 · 𝑋) = (seq1((+g‘𝐺), (ℕ × {𝑋}))‘1)) |
| 7 | 1, 6 | mpan 424 | . 2 ⊢ (𝑋 ∈ 𝐵 → (1 · 𝑋) = (seq1((+g‘𝐺), (ℕ × {𝑋}))‘1)) |
| 8 | 1zzd 9469 | . . 3 ⊢ (𝑋 ∈ 𝐵 → 1 ∈ ℤ) | |
| 9 | elnnuz 9755 | . . . 4 ⊢ (𝑢 ∈ ℕ ↔ 𝑢 ∈ (ℤ≥‘1)) | |
| 10 | fvconst2g 5852 | . . . . . 6 ⊢ ((𝑋 ∈ 𝐵 ∧ 𝑢 ∈ ℕ) → ((ℕ × {𝑋})‘𝑢) = 𝑋) | |
| 11 | simpl 109 | . . . . . 6 ⊢ ((𝑋 ∈ 𝐵 ∧ 𝑢 ∈ ℕ) → 𝑋 ∈ 𝐵) | |
| 12 | 10, 11 | eqeltrd 2306 | . . . . 5 ⊢ ((𝑋 ∈ 𝐵 ∧ 𝑢 ∈ ℕ) → ((ℕ × {𝑋})‘𝑢) ∈ 𝐵) |
| 13 | 12 | elexd 2813 | . . . 4 ⊢ ((𝑋 ∈ 𝐵 ∧ 𝑢 ∈ ℕ) → ((ℕ × {𝑋})‘𝑢) ∈ V) |
| 14 | 9, 13 | sylan2br 288 | . . 3 ⊢ ((𝑋 ∈ 𝐵 ∧ 𝑢 ∈ (ℤ≥‘1)) → ((ℕ × {𝑋})‘𝑢) ∈ V) |
| 15 | simprl 529 | . . . 4 ⊢ ((𝑋 ∈ 𝐵 ∧ (𝑢 ∈ V ∧ 𝑣 ∈ V)) → 𝑢 ∈ V) | |
| 16 | 2 | basmex 13087 | . . . . . 6 ⊢ (𝑋 ∈ 𝐵 → 𝐺 ∈ V) |
| 17 | plusgslid 13140 | . . . . . . 7 ⊢ (+g = Slot (+g‘ndx) ∧ (+g‘ndx) ∈ ℕ) | |
| 18 | 17 | slotex 13054 | . . . . . 6 ⊢ (𝐺 ∈ V → (+g‘𝐺) ∈ V) |
| 19 | 16, 18 | syl 14 | . . . . 5 ⊢ (𝑋 ∈ 𝐵 → (+g‘𝐺) ∈ V) |
| 20 | 19 | adantr 276 | . . . 4 ⊢ ((𝑋 ∈ 𝐵 ∧ (𝑢 ∈ V ∧ 𝑣 ∈ V)) → (+g‘𝐺) ∈ V) |
| 21 | simprr 531 | . . . 4 ⊢ ((𝑋 ∈ 𝐵 ∧ (𝑢 ∈ V ∧ 𝑣 ∈ V)) → 𝑣 ∈ V) | |
| 22 | ovexg 6034 | . . . 4 ⊢ ((𝑢 ∈ V ∧ (+g‘𝐺) ∈ V ∧ 𝑣 ∈ V) → (𝑢(+g‘𝐺)𝑣) ∈ V) | |
| 23 | 15, 20, 21, 22 | syl3anc 1271 | . . 3 ⊢ ((𝑋 ∈ 𝐵 ∧ (𝑢 ∈ V ∧ 𝑣 ∈ V)) → (𝑢(+g‘𝐺)𝑣) ∈ V) |
| 24 | 8, 14, 23 | seq3-1 10679 | . 2 ⊢ (𝑋 ∈ 𝐵 → (seq1((+g‘𝐺), (ℕ × {𝑋}))‘1) = ((ℕ × {𝑋})‘1)) |
| 25 | fvconst2g 5852 | . . 3 ⊢ ((𝑋 ∈ 𝐵 ∧ 1 ∈ ℕ) → ((ℕ × {𝑋})‘1) = 𝑋) | |
| 26 | 1, 25 | mpan2 425 | . 2 ⊢ (𝑋 ∈ 𝐵 → ((ℕ × {𝑋})‘1) = 𝑋) |
| 27 | 7, 24, 26 | 3eqtrd 2266 | 1 ⊢ (𝑋 ∈ 𝐵 → (1 · 𝑋) = 𝑋) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 ∧ wa 104 = wceq 1395 ∈ wcel 2200 Vcvv 2799 {csn 3666 × cxp 4716 ‘cfv 5317 (class class class)co 6000 1c1 7996 ℕcn 9106 ℤ≥cuz 9718 seqcseq 10664 Basecbs 13027 +gcplusg 13105 .gcmg 13651 |
| 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 617 ax-in2 618 ax-io 714 ax-5 1493 ax-7 1494 ax-gen 1495 ax-ie1 1539 ax-ie2 1540 ax-8 1550 ax-10 1551 ax-11 1552 ax-i12 1553 ax-bndl 1555 ax-4 1556 ax-17 1572 ax-i9 1576 ax-ial 1580 ax-i5r 1581 ax-13 2202 ax-14 2203 ax-ext 2211 ax-coll 4198 ax-sep 4201 ax-nul 4209 ax-pow 4257 ax-pr 4292 ax-un 4523 ax-setind 4628 ax-iinf 4679 ax-cnex 8086 ax-resscn 8087 ax-1cn 8088 ax-1re 8089 ax-icn 8090 ax-addcl 8091 ax-addrcl 8092 ax-mulcl 8093 ax-addcom 8095 ax-addass 8097 ax-distr 8099 ax-i2m1 8100 ax-0lt1 8101 ax-0id 8103 ax-rnegex 8104 ax-cnre 8106 ax-pre-ltirr 8107 ax-pre-ltwlin 8108 ax-pre-lttrn 8109 ax-pre-ltadd 8111 |
| This theorem depends on definitions: df-bi 117 df-dc 840 df-3or 1003 df-3an 1004 df-tru 1398 df-fal 1401 df-nf 1507 df-sb 1809 df-eu 2080 df-mo 2081 df-clab 2216 df-cleq 2222 df-clel 2225 df-nfc 2361 df-ne 2401 df-nel 2496 df-ral 2513 df-rex 2514 df-reu 2515 df-rab 2517 df-v 2801 df-sbc 3029 df-csb 3125 df-dif 3199 df-un 3201 df-in 3203 df-ss 3210 df-nul 3492 df-if 3603 df-pw 3651 df-sn 3672 df-pr 3673 df-op 3675 df-uni 3888 df-int 3923 df-iun 3966 df-br 4083 df-opab 4145 df-mpt 4146 df-tr 4182 df-id 4383 df-iord 4456 df-on 4458 df-ilim 4459 df-suc 4461 df-iom 4682 df-xp 4724 df-rel 4725 df-cnv 4726 df-co 4727 df-dm 4728 df-rn 4729 df-res 4730 df-ima 4731 df-iota 5277 df-fun 5319 df-fn 5320 df-f 5321 df-f1 5322 df-fo 5323 df-f1o 5324 df-fv 5325 df-riota 5953 df-ov 6003 df-oprab 6004 df-mpo 6005 df-1st 6284 df-2nd 6285 df-recs 6449 df-frec 6535 df-pnf 8179 df-mnf 8180 df-xr 8181 df-ltxr 8182 df-le 8183 df-sub 8315 df-neg 8316 df-inn 9107 df-2 9165 df-n0 9366 df-z 9443 df-uz 9719 df-seqfrec 10665 df-ndx 13030 df-slot 13031 df-base 13033 df-plusg 13118 df-0g 13286 df-minusg 13532 df-mulg 13652 |
| This theorem is referenced by: mulg2 13663 mulgnn0p1 13665 mulgm1 13674 mulgp1 13687 mulgnnass 13689 gsumfzconst 13873 gsumfzsnfd 13877 mulgrhm 14567 |
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