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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 9132 | . . 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 13678 | . . 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 9484 | . . 3 ⊢ (𝑋 ∈ 𝐵 → 1 ∈ ℤ) | |
| 9 | elnnuz 9771 | . . . 4 ⊢ (𝑢 ∈ ℕ ↔ 𝑢 ∈ (ℤ≥‘1)) | |
| 10 | fvconst2g 5857 | . . . . . 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 13107 | . . . . . 6 ⊢ (𝑋 ∈ 𝐵 → 𝐺 ∈ V) |
| 17 | plusgslid 13160 | . . . . . . 7 ⊢ (+g = Slot (+g‘ndx) ∧ (+g‘ndx) ∈ ℕ) | |
| 18 | 17 | slotex 13074 | . . . . . 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 6041 | . . . 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 10696 | . 2 ⊢ (𝑋 ∈ 𝐵 → (seq1((+g‘𝐺), (ℕ × {𝑋}))‘1) = ((ℕ × {𝑋})‘1)) |
| 25 | fvconst2g 5857 | . . 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 4717 ‘cfv 5318 (class class class)co 6007 1c1 8011 ℕcn 9121 ℤ≥cuz 9733 seqcseq 10681 Basecbs 13047 +gcplusg 13125 .gcmg 13671 |
| 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 4199 ax-sep 4202 ax-nul 4210 ax-pow 4258 ax-pr 4293 ax-un 4524 ax-setind 4629 ax-iinf 4680 ax-cnex 8101 ax-resscn 8102 ax-1cn 8103 ax-1re 8104 ax-icn 8105 ax-addcl 8106 ax-addrcl 8107 ax-mulcl 8108 ax-addcom 8110 ax-addass 8112 ax-distr 8114 ax-i2m1 8115 ax-0lt1 8116 ax-0id 8118 ax-rnegex 8119 ax-cnre 8121 ax-pre-ltirr 8122 ax-pre-ltwlin 8123 ax-pre-lttrn 8124 ax-pre-ltadd 8126 |
| 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 3889 df-int 3924 df-iun 3967 df-br 4084 df-opab 4146 df-mpt 4147 df-tr 4183 df-id 4384 df-iord 4457 df-on 4459 df-ilim 4460 df-suc 4462 df-iom 4683 df-xp 4725 df-rel 4726 df-cnv 4727 df-co 4728 df-dm 4729 df-rn 4730 df-res 4731 df-ima 4732 df-iota 5278 df-fun 5320 df-fn 5321 df-f 5322 df-f1 5323 df-fo 5324 df-f1o 5325 df-fv 5326 df-riota 5960 df-ov 6010 df-oprab 6011 df-mpo 6012 df-1st 6292 df-2nd 6293 df-recs 6457 df-frec 6543 df-pnf 8194 df-mnf 8195 df-xr 8196 df-ltxr 8197 df-le 8198 df-sub 8330 df-neg 8331 df-inn 9122 df-2 9180 df-n0 9381 df-z 9458 df-uz 9734 df-seqfrec 10682 df-ndx 13050 df-slot 13051 df-base 13053 df-plusg 13138 df-0g 13306 df-minusg 13552 df-mulg 13672 |
| This theorem is referenced by: mulg2 13683 mulgnn0p1 13685 mulgm1 13694 mulgp1 13707 mulgnnass 13709 gsumfzconst 13893 gsumfzsnfd 13897 mulgrhm 14588 |
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