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Mirrors > Home > MPE Home > Th. List > mulgnnp1 | Structured version Visualization version GIF version |
Description: Group multiple (exponentiation) operation at a successor. (Contributed by Mario Carneiro, 11-Dec-2014.) |
Ref | Expression |
---|---|
mulg1.b | ⊢ 𝐵 = (Base‘𝐺) |
mulg1.m | ⊢ · = (.g‘𝐺) |
mulgnnp1.p | ⊢ + = (+g‘𝐺) |
Ref | Expression |
---|---|
mulgnnp1 | ⊢ ((𝑁 ∈ ℕ ∧ 𝑋 ∈ 𝐵) → ((𝑁 + 1) · 𝑋) = ((𝑁 · 𝑋) + 𝑋)) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | simpl 486 | . . . . 5 ⊢ ((𝑁 ∈ ℕ ∧ 𝑋 ∈ 𝐵) → 𝑁 ∈ ℕ) | |
2 | nnuz 12477 | . . . . 5 ⊢ ℕ = (ℤ≥‘1) | |
3 | 1, 2 | eleqtrdi 2848 | . . . 4 ⊢ ((𝑁 ∈ ℕ ∧ 𝑋 ∈ 𝐵) → 𝑁 ∈ (ℤ≥‘1)) |
4 | seqp1 13589 | . . . 4 ⊢ (𝑁 ∈ (ℤ≥‘1) → (seq1( + , (ℕ × {𝑋}))‘(𝑁 + 1)) = ((seq1( + , (ℕ × {𝑋}))‘𝑁) + ((ℕ × {𝑋})‘(𝑁 + 1)))) | |
5 | 3, 4 | syl 17 | . . 3 ⊢ ((𝑁 ∈ ℕ ∧ 𝑋 ∈ 𝐵) → (seq1( + , (ℕ × {𝑋}))‘(𝑁 + 1)) = ((seq1( + , (ℕ × {𝑋}))‘𝑁) + ((ℕ × {𝑋})‘(𝑁 + 1)))) |
6 | id 22 | . . . . 5 ⊢ (𝑋 ∈ 𝐵 → 𝑋 ∈ 𝐵) | |
7 | peano2nn 11842 | . . . . 5 ⊢ (𝑁 ∈ ℕ → (𝑁 + 1) ∈ ℕ) | |
8 | fvconst2g 7017 | . . . . 5 ⊢ ((𝑋 ∈ 𝐵 ∧ (𝑁 + 1) ∈ ℕ) → ((ℕ × {𝑋})‘(𝑁 + 1)) = 𝑋) | |
9 | 6, 7, 8 | syl2anr 600 | . . . 4 ⊢ ((𝑁 ∈ ℕ ∧ 𝑋 ∈ 𝐵) → ((ℕ × {𝑋})‘(𝑁 + 1)) = 𝑋) |
10 | 9 | oveq2d 7229 | . . 3 ⊢ ((𝑁 ∈ ℕ ∧ 𝑋 ∈ 𝐵) → ((seq1( + , (ℕ × {𝑋}))‘𝑁) + ((ℕ × {𝑋})‘(𝑁 + 1))) = ((seq1( + , (ℕ × {𝑋}))‘𝑁) + 𝑋)) |
11 | 5, 10 | eqtrd 2777 | . 2 ⊢ ((𝑁 ∈ ℕ ∧ 𝑋 ∈ 𝐵) → (seq1( + , (ℕ × {𝑋}))‘(𝑁 + 1)) = ((seq1( + , (ℕ × {𝑋}))‘𝑁) + 𝑋)) |
12 | mulg1.b | . . . 4 ⊢ 𝐵 = (Base‘𝐺) | |
13 | mulgnnp1.p | . . . 4 ⊢ + = (+g‘𝐺) | |
14 | mulg1.m | . . . 4 ⊢ · = (.g‘𝐺) | |
15 | eqid 2737 | . . . 4 ⊢ seq1( + , (ℕ × {𝑋})) = seq1( + , (ℕ × {𝑋})) | |
16 | 12, 13, 14, 15 | mulgnn 18496 | . . 3 ⊢ (((𝑁 + 1) ∈ ℕ ∧ 𝑋 ∈ 𝐵) → ((𝑁 + 1) · 𝑋) = (seq1( + , (ℕ × {𝑋}))‘(𝑁 + 1))) |
17 | 7, 16 | sylan 583 | . 2 ⊢ ((𝑁 ∈ ℕ ∧ 𝑋 ∈ 𝐵) → ((𝑁 + 1) · 𝑋) = (seq1( + , (ℕ × {𝑋}))‘(𝑁 + 1))) |
18 | 12, 13, 14, 15 | mulgnn 18496 | . . 3 ⊢ ((𝑁 ∈ ℕ ∧ 𝑋 ∈ 𝐵) → (𝑁 · 𝑋) = (seq1( + , (ℕ × {𝑋}))‘𝑁)) |
19 | 18 | oveq1d 7228 | . 2 ⊢ ((𝑁 ∈ ℕ ∧ 𝑋 ∈ 𝐵) → ((𝑁 · 𝑋) + 𝑋) = ((seq1( + , (ℕ × {𝑋}))‘𝑁) + 𝑋)) |
20 | 11, 17, 19 | 3eqtr4d 2787 | 1 ⊢ ((𝑁 ∈ ℕ ∧ 𝑋 ∈ 𝐵) → ((𝑁 + 1) · 𝑋) = ((𝑁 · 𝑋) + 𝑋)) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 399 = wceq 1543 ∈ wcel 2110 {csn 4541 × cxp 5549 ‘cfv 6380 (class class class)co 7213 1c1 10730 + caddc 10732 ℕcn 11830 ℤ≥cuz 12438 seqcseq 13574 Basecbs 16760 +gcplusg 16802 .gcmg 18488 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1803 ax-4 1817 ax-5 1918 ax-6 1976 ax-7 2016 ax-8 2112 ax-9 2120 ax-10 2141 ax-11 2158 ax-12 2175 ax-ext 2708 ax-sep 5192 ax-nul 5199 ax-pow 5258 ax-pr 5322 ax-un 7523 ax-cnex 10785 ax-resscn 10786 ax-1cn 10787 ax-icn 10788 ax-addcl 10789 ax-addrcl 10790 ax-mulcl 10791 ax-mulrcl 10792 ax-mulcom 10793 ax-addass 10794 ax-mulass 10795 ax-distr 10796 ax-i2m1 10797 ax-1ne0 10798 ax-1rid 10799 ax-rnegex 10800 ax-rrecex 10801 ax-cnre 10802 ax-pre-lttri 10803 ax-pre-lttrn 10804 ax-pre-ltadd 10805 ax-pre-mulgt0 10806 |
This theorem depends on definitions: df-bi 210 df-an 400 df-or 848 df-3or 1090 df-3an 1091 df-tru 1546 df-fal 1556 df-ex 1788 df-nf 1792 df-sb 2071 df-mo 2539 df-eu 2568 df-clab 2715 df-cleq 2729 df-clel 2816 df-nfc 2886 df-ne 2941 df-nel 3047 df-ral 3066 df-rex 3067 df-reu 3068 df-rab 3070 df-v 3410 df-sbc 3695 df-csb 3812 df-dif 3869 df-un 3871 df-in 3873 df-ss 3883 df-pss 3885 df-nul 4238 df-if 4440 df-pw 4515 df-sn 4542 df-pr 4544 df-tp 4546 df-op 4548 df-uni 4820 df-iun 4906 df-br 5054 df-opab 5116 df-mpt 5136 df-tr 5162 df-id 5455 df-eprel 5460 df-po 5468 df-so 5469 df-fr 5509 df-we 5511 df-xp 5557 df-rel 5558 df-cnv 5559 df-co 5560 df-dm 5561 df-rn 5562 df-res 5563 df-ima 5564 df-pred 6160 df-ord 6216 df-on 6217 df-lim 6218 df-suc 6219 df-iota 6338 df-fun 6382 df-fn 6383 df-f 6384 df-f1 6385 df-fo 6386 df-f1o 6387 df-fv 6388 df-riota 7170 df-ov 7216 df-oprab 7217 df-mpo 7218 df-om 7645 df-1st 7761 df-2nd 7762 df-wrecs 8047 df-recs 8108 df-rdg 8146 df-er 8391 df-en 8627 df-dom 8628 df-sdom 8629 df-pnf 10869 df-mnf 10870 df-xr 10871 df-ltxr 10872 df-le 10873 df-sub 11064 df-neg 11065 df-nn 11831 df-n0 12091 df-z 12177 df-uz 12439 df-seq 13575 df-mulg 18489 |
This theorem is referenced by: mulg2 18501 mulgnn0p1 18503 mulgnnass 18526 chfacfpmmulgsum2 21762 xrsmulgzz 31006 ofldchr 31232 |
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