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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 9001 | . . 3 ⊢ 1 ∈ ℕ | |
| 2 | mulg1.b | . . . 4 ⊢ 𝐵 = (Base‘𝐺) | |
| 3 | eqid 2196 | . . . 4 ⊢ (+g‘𝐺) = (+g‘𝐺) | |
| 4 | mulg1.m | . . . 4 ⊢ · = (.g‘𝐺) | |
| 5 | eqid 2196 | . . . 4 ⊢ seq1((+g‘𝐺), (ℕ × {𝑋})) = seq1((+g‘𝐺), (ℕ × {𝑋})) | |
| 6 | 2, 3, 4, 5 | mulgnn 13256 | . . 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 9353 | . . 3 ⊢ (𝑋 ∈ 𝐵 → 1 ∈ ℤ) | |
| 9 | elnnuz 9638 | . . . 4 ⊢ (𝑢 ∈ ℕ ↔ 𝑢 ∈ (ℤ≥‘1)) | |
| 10 | fvconst2g 5776 | . . . . . 6 ⊢ ((𝑋 ∈ 𝐵 ∧ 𝑢 ∈ ℕ) → ((ℕ × {𝑋})‘𝑢) = 𝑋) | |
| 11 | simpl 109 | . . . . . 6 ⊢ ((𝑋 ∈ 𝐵 ∧ 𝑢 ∈ ℕ) → 𝑋 ∈ 𝐵) | |
| 12 | 10, 11 | eqeltrd 2273 | . . . . 5 ⊢ ((𝑋 ∈ 𝐵 ∧ 𝑢 ∈ ℕ) → ((ℕ × {𝑋})‘𝑢) ∈ 𝐵) |
| 13 | 12 | elexd 2776 | . . . 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 12737 | . . . . . 6 ⊢ (𝑋 ∈ 𝐵 → 𝐺 ∈ V) |
| 17 | plusgslid 12790 | . . . . . . 7 ⊢ (+g = Slot (+g‘ndx) ∧ (+g‘ndx) ∈ ℕ) | |
| 18 | 17 | slotex 12705 | . . . . . 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 5956 | . . . 4 ⊢ ((𝑢 ∈ V ∧ (+g‘𝐺) ∈ V ∧ 𝑣 ∈ V) → (𝑢(+g‘𝐺)𝑣) ∈ V) | |
| 23 | 15, 20, 21, 22 | syl3anc 1249 | . . 3 ⊢ ((𝑋 ∈ 𝐵 ∧ (𝑢 ∈ V ∧ 𝑣 ∈ V)) → (𝑢(+g‘𝐺)𝑣) ∈ V) |
| 24 | 8, 14, 23 | seq3-1 10554 | . 2 ⊢ (𝑋 ∈ 𝐵 → (seq1((+g‘𝐺), (ℕ × {𝑋}))‘1) = ((ℕ × {𝑋})‘1)) |
| 25 | fvconst2g 5776 | . . 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 2233 | 1 ⊢ (𝑋 ∈ 𝐵 → (1 · 𝑋) = 𝑋) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 ∧ wa 104 = wceq 1364 ∈ wcel 2167 Vcvv 2763 {csn 3622 × cxp 4661 ‘cfv 5258 (class class class)co 5922 1c1 7880 ℕcn 8990 ℤ≥cuz 9601 seqcseq 10539 Basecbs 12678 +gcplusg 12755 .gcmg 13249 |
| 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 615 ax-in2 616 ax-io 710 ax-5 1461 ax-7 1462 ax-gen 1463 ax-ie1 1507 ax-ie2 1508 ax-8 1518 ax-10 1519 ax-11 1520 ax-i12 1521 ax-bndl 1523 ax-4 1524 ax-17 1540 ax-i9 1544 ax-ial 1548 ax-i5r 1549 ax-13 2169 ax-14 2170 ax-ext 2178 ax-coll 4148 ax-sep 4151 ax-nul 4159 ax-pow 4207 ax-pr 4242 ax-un 4468 ax-setind 4573 ax-iinf 4624 ax-cnex 7970 ax-resscn 7971 ax-1cn 7972 ax-1re 7973 ax-icn 7974 ax-addcl 7975 ax-addrcl 7976 ax-mulcl 7977 ax-addcom 7979 ax-addass 7981 ax-distr 7983 ax-i2m1 7984 ax-0lt1 7985 ax-0id 7987 ax-rnegex 7988 ax-cnre 7990 ax-pre-ltirr 7991 ax-pre-ltwlin 7992 ax-pre-lttrn 7993 ax-pre-ltadd 7995 |
| This theorem depends on definitions: df-bi 117 df-dc 836 df-3or 981 df-3an 982 df-tru 1367 df-fal 1370 df-nf 1475 df-sb 1777 df-eu 2048 df-mo 2049 df-clab 2183 df-cleq 2189 df-clel 2192 df-nfc 2328 df-ne 2368 df-nel 2463 df-ral 2480 df-rex 2481 df-reu 2482 df-rab 2484 df-v 2765 df-sbc 2990 df-csb 3085 df-dif 3159 df-un 3161 df-in 3163 df-ss 3170 df-nul 3451 df-if 3562 df-pw 3607 df-sn 3628 df-pr 3629 df-op 3631 df-uni 3840 df-int 3875 df-iun 3918 df-br 4034 df-opab 4095 df-mpt 4096 df-tr 4132 df-id 4328 df-iord 4401 df-on 4403 df-ilim 4404 df-suc 4406 df-iom 4627 df-xp 4669 df-rel 4670 df-cnv 4671 df-co 4672 df-dm 4673 df-rn 4674 df-res 4675 df-ima 4676 df-iota 5219 df-fun 5260 df-fn 5261 df-f 5262 df-f1 5263 df-fo 5264 df-f1o 5265 df-fv 5266 df-riota 5877 df-ov 5925 df-oprab 5926 df-mpo 5927 df-1st 6198 df-2nd 6199 df-recs 6363 df-frec 6449 df-pnf 8063 df-mnf 8064 df-xr 8065 df-ltxr 8066 df-le 8067 df-sub 8199 df-neg 8200 df-inn 8991 df-2 9049 df-n0 9250 df-z 9327 df-uz 9602 df-seqfrec 10540 df-ndx 12681 df-slot 12682 df-base 12684 df-plusg 12768 df-0g 12929 df-minusg 13136 df-mulg 13250 |
| This theorem is referenced by: mulg2 13261 mulgnn0p1 13263 mulgm1 13272 mulgp1 13285 mulgnnass 13287 gsumfzconst 13471 gsumfzsnfd 13475 mulgrhm 14165 |
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