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Mirrors > Home > ILE Home > Th. List > logbgcd1irraplemap | GIF version |
Description: Lemma for logbgcd1irrap 13528. The result, with the rational number expressed as numerator and denominator. (Contributed by Jim Kingdon, 9-Jul-2024.) |
Ref | Expression |
---|---|
logbgcd1irraplem.x | ⊢ (𝜑 → 𝑋 ∈ (ℤ≥‘2)) |
logbgcd1irraplem.b | ⊢ (𝜑 → 𝐵 ∈ (ℤ≥‘2)) |
logbgcd1irraplem.rp | ⊢ (𝜑 → (𝑋 gcd 𝐵) = 1) |
logbgcd1irraplem.m | ⊢ (𝜑 → 𝑀 ∈ ℤ) |
logbgcd1irraplem.n | ⊢ (𝜑 → 𝑁 ∈ ℕ) |
Ref | Expression |
---|---|
logbgcd1irraplemap | ⊢ (𝜑 → (𝐵 logb 𝑋) # (𝑀 / 𝑁)) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | logbgcd1irraplem.x | . . . . 5 ⊢ (𝜑 → 𝑋 ∈ (ℤ≥‘2)) | |
2 | logbgcd1irraplem.b | . . . . 5 ⊢ (𝜑 → 𝐵 ∈ (ℤ≥‘2)) | |
3 | logbgcd1irraplem.rp | . . . . 5 ⊢ (𝜑 → (𝑋 gcd 𝐵) = 1) | |
4 | logbgcd1irraplem.m | . . . . 5 ⊢ (𝜑 → 𝑀 ∈ ℤ) | |
5 | logbgcd1irraplem.n | . . . . 5 ⊢ (𝜑 → 𝑁 ∈ ℕ) | |
6 | 1, 2, 3, 4, 5 | logbgcd1irraplemexp 13526 | . . . 4 ⊢ (𝜑 → (𝑋↑𝑁) # (𝐵↑𝑀)) |
7 | eluz2nn 9504 | . . . . . . . 8 ⊢ (𝐵 ∈ (ℤ≥‘2) → 𝐵 ∈ ℕ) | |
8 | 2, 7 | syl 14 | . . . . . . 7 ⊢ (𝜑 → 𝐵 ∈ ℕ) |
9 | 8 | nnrpd 9630 | . . . . . 6 ⊢ (𝜑 → 𝐵 ∈ ℝ+) |
10 | 1red 7914 | . . . . . . 7 ⊢ (𝜑 → 1 ∈ ℝ) | |
11 | 8 | nnred 8870 | . . . . . . 7 ⊢ (𝜑 → 𝐵 ∈ ℝ) |
12 | eluz2gt1 9540 | . . . . . . . 8 ⊢ (𝐵 ∈ (ℤ≥‘2) → 1 < 𝐵) | |
13 | 2, 12 | syl 14 | . . . . . . 7 ⊢ (𝜑 → 1 < 𝐵) |
14 | 10, 11, 13 | gtapd 8535 | . . . . . 6 ⊢ (𝜑 → 𝐵 # 1) |
15 | eluz2nn 9504 | . . . . . . . 8 ⊢ (𝑋 ∈ (ℤ≥‘2) → 𝑋 ∈ ℕ) | |
16 | 1, 15 | syl 14 | . . . . . . 7 ⊢ (𝜑 → 𝑋 ∈ ℕ) |
17 | 16 | nnrpd 9630 | . . . . . 6 ⊢ (𝜑 → 𝑋 ∈ ℝ+) |
18 | rpcxplogb 13522 | . . . . . 6 ⊢ ((𝐵 ∈ ℝ+ ∧ 𝐵 # 1 ∧ 𝑋 ∈ ℝ+) → (𝐵↑𝑐(𝐵 logb 𝑋)) = 𝑋) | |
19 | 9, 14, 17, 18 | syl3anc 1228 | . . . . 5 ⊢ (𝜑 → (𝐵↑𝑐(𝐵 logb 𝑋)) = 𝑋) |
20 | 19 | oveq1d 5857 | . . . 4 ⊢ (𝜑 → ((𝐵↑𝑐(𝐵 logb 𝑋))↑𝑁) = (𝑋↑𝑁)) |
21 | znq 9562 | . . . . . . . 8 ⊢ ((𝑀 ∈ ℤ ∧ 𝑁 ∈ ℕ) → (𝑀 / 𝑁) ∈ ℚ) | |
22 | 4, 5, 21 | syl2anc 409 | . . . . . . 7 ⊢ (𝜑 → (𝑀 / 𝑁) ∈ ℚ) |
23 | qre 9563 | . . . . . . 7 ⊢ ((𝑀 / 𝑁) ∈ ℚ → (𝑀 / 𝑁) ∈ ℝ) | |
24 | 22, 23 | syl 14 | . . . . . 6 ⊢ (𝜑 → (𝑀 / 𝑁) ∈ ℝ) |
25 | 5 | nncnd 8871 | . . . . . 6 ⊢ (𝜑 → 𝑁 ∈ ℂ) |
26 | 9, 24, 25 | cxpmuld 13496 | . . . . 5 ⊢ (𝜑 → (𝐵↑𝑐((𝑀 / 𝑁) · 𝑁)) = ((𝐵↑𝑐(𝑀 / 𝑁))↑𝑐𝑁)) |
27 | 4 | zcnd 9314 | . . . . . . . 8 ⊢ (𝜑 → 𝑀 ∈ ℂ) |
28 | 5 | nnap0d 8903 | . . . . . . . 8 ⊢ (𝜑 → 𝑁 # 0) |
29 | 27, 25, 28 | divcanap1d 8687 | . . . . . . 7 ⊢ (𝜑 → ((𝑀 / 𝑁) · 𝑁) = 𝑀) |
30 | 29 | oveq2d 5858 | . . . . . 6 ⊢ (𝜑 → (𝐵↑𝑐((𝑀 / 𝑁) · 𝑁)) = (𝐵↑𝑐𝑀)) |
31 | cxpexpnn 13457 | . . . . . . 7 ⊢ ((𝐵 ∈ ℕ ∧ 𝑀 ∈ ℤ) → (𝐵↑𝑐𝑀) = (𝐵↑𝑀)) | |
32 | 8, 4, 31 | syl2anc 409 | . . . . . 6 ⊢ (𝜑 → (𝐵↑𝑐𝑀) = (𝐵↑𝑀)) |
33 | 30, 32 | eqtrd 2198 | . . . . 5 ⊢ (𝜑 → (𝐵↑𝑐((𝑀 / 𝑁) · 𝑁)) = (𝐵↑𝑀)) |
34 | 9, 24 | rpcxpcld 13492 | . . . . . 6 ⊢ (𝜑 → (𝐵↑𝑐(𝑀 / 𝑁)) ∈ ℝ+) |
35 | 5 | nnzd 9312 | . . . . . 6 ⊢ (𝜑 → 𝑁 ∈ ℤ) |
36 | cxpexprp 13456 | . . . . . 6 ⊢ (((𝐵↑𝑐(𝑀 / 𝑁)) ∈ ℝ+ ∧ 𝑁 ∈ ℤ) → ((𝐵↑𝑐(𝑀 / 𝑁))↑𝑐𝑁) = ((𝐵↑𝑐(𝑀 / 𝑁))↑𝑁)) | |
37 | 34, 35, 36 | syl2anc 409 | . . . . 5 ⊢ (𝜑 → ((𝐵↑𝑐(𝑀 / 𝑁))↑𝑐𝑁) = ((𝐵↑𝑐(𝑀 / 𝑁))↑𝑁)) |
38 | 26, 33, 37 | 3eqtr3rd 2207 | . . . 4 ⊢ (𝜑 → ((𝐵↑𝑐(𝑀 / 𝑁))↑𝑁) = (𝐵↑𝑀)) |
39 | 6, 20, 38 | 3brtr4d 4014 | . . 3 ⊢ (𝜑 → ((𝐵↑𝑐(𝐵 logb 𝑋))↑𝑁) # ((𝐵↑𝑐(𝑀 / 𝑁))↑𝑁)) |
40 | relogbzcl 13510 | . . . . . . 7 ⊢ ((𝐵 ∈ (ℤ≥‘2) ∧ 𝑋 ∈ ℝ+) → (𝐵 logb 𝑋) ∈ ℝ) | |
41 | 2, 17, 40 | syl2anc 409 | . . . . . 6 ⊢ (𝜑 → (𝐵 logb 𝑋) ∈ ℝ) |
42 | 41 | recnd 7927 | . . . . 5 ⊢ (𝜑 → (𝐵 logb 𝑋) ∈ ℂ) |
43 | 9, 42 | rpcncxpcld 13487 | . . . 4 ⊢ (𝜑 → (𝐵↑𝑐(𝐵 logb 𝑋)) ∈ ℂ) |
44 | qcn 9572 | . . . . . 6 ⊢ ((𝑀 / 𝑁) ∈ ℚ → (𝑀 / 𝑁) ∈ ℂ) | |
45 | 22, 44 | syl 14 | . . . . 5 ⊢ (𝜑 → (𝑀 / 𝑁) ∈ ℂ) |
46 | 9, 45 | rpcncxpcld 13487 | . . . 4 ⊢ (𝜑 → (𝐵↑𝑐(𝑀 / 𝑁)) ∈ ℂ) |
47 | apexp1 10631 | . . . 4 ⊢ (((𝐵↑𝑐(𝐵 logb 𝑋)) ∈ ℂ ∧ (𝐵↑𝑐(𝑀 / 𝑁)) ∈ ℂ ∧ 𝑁 ∈ ℕ) → (((𝐵↑𝑐(𝐵 logb 𝑋))↑𝑁) # ((𝐵↑𝑐(𝑀 / 𝑁))↑𝑁) → (𝐵↑𝑐(𝐵 logb 𝑋)) # (𝐵↑𝑐(𝑀 / 𝑁)))) | |
48 | 43, 46, 5, 47 | syl3anc 1228 | . . 3 ⊢ (𝜑 → (((𝐵↑𝑐(𝐵 logb 𝑋))↑𝑁) # ((𝐵↑𝑐(𝑀 / 𝑁))↑𝑁) → (𝐵↑𝑐(𝐵 logb 𝑋)) # (𝐵↑𝑐(𝑀 / 𝑁)))) |
49 | 39, 48 | mpd 13 | . 2 ⊢ (𝜑 → (𝐵↑𝑐(𝐵 logb 𝑋)) # (𝐵↑𝑐(𝑀 / 𝑁))) |
50 | apcxp2 13498 | . . 3 ⊢ (((𝐵 ∈ ℝ+ ∧ 𝐵 # 1) ∧ ((𝐵 logb 𝑋) ∈ ℝ ∧ (𝑀 / 𝑁) ∈ ℝ)) → ((𝐵 logb 𝑋) # (𝑀 / 𝑁) ↔ (𝐵↑𝑐(𝐵 logb 𝑋)) # (𝐵↑𝑐(𝑀 / 𝑁)))) | |
51 | 9, 14, 41, 24, 50 | syl22anc 1229 | . 2 ⊢ (𝜑 → ((𝐵 logb 𝑋) # (𝑀 / 𝑁) ↔ (𝐵↑𝑐(𝐵 logb 𝑋)) # (𝐵↑𝑐(𝑀 / 𝑁)))) |
52 | 49, 51 | mpbird 166 | 1 ⊢ (𝜑 → (𝐵 logb 𝑋) # (𝑀 / 𝑁)) |
Colors of variables: wff set class |
Syntax hints: → wi 4 ↔ wb 104 = wceq 1343 ∈ wcel 2136 class class class wbr 3982 ‘cfv 5188 (class class class)co 5842 ℂcc 7751 ℝcr 7752 1c1 7754 · cmul 7758 < clt 7933 # cap 8479 / cdiv 8568 ℕcn 8857 2c2 8908 ℤcz 9191 ℤ≥cuz 9466 ℚcq 9557 ℝ+crp 9589 ↑cexp 10454 gcd cgcd 11875 ↑𝑐ccxp 13418 logb clogb 13501 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 105 ax-ia2 106 ax-ia3 107 ax-in1 604 ax-in2 605 ax-io 699 ax-5 1435 ax-7 1436 ax-gen 1437 ax-ie1 1481 ax-ie2 1482 ax-8 1492 ax-10 1493 ax-11 1494 ax-i12 1495 ax-bndl 1497 ax-4 1498 ax-17 1514 ax-i9 1518 ax-ial 1522 ax-i5r 1523 ax-13 2138 ax-14 2139 ax-ext 2147 ax-coll 4097 ax-sep 4100 ax-nul 4108 ax-pow 4153 ax-pr 4187 ax-un 4411 ax-setind 4514 ax-iinf 4565 ax-cnex 7844 ax-resscn 7845 ax-1cn 7846 ax-1re 7847 ax-icn 7848 ax-addcl 7849 ax-addrcl 7850 ax-mulcl 7851 ax-mulrcl 7852 ax-addcom 7853 ax-mulcom 7854 ax-addass 7855 ax-mulass 7856 ax-distr 7857 ax-i2m1 7858 ax-0lt1 7859 ax-1rid 7860 ax-0id 7861 ax-rnegex 7862 ax-precex 7863 ax-cnre 7864 ax-pre-ltirr 7865 ax-pre-ltwlin 7866 ax-pre-lttrn 7867 ax-pre-apti 7868 ax-pre-ltadd 7869 ax-pre-mulgt0 7870 ax-pre-mulext 7871 ax-arch 7872 ax-caucvg 7873 ax-pre-suploc 7874 ax-addf 7875 ax-mulf 7876 |
This theorem depends on definitions: df-bi 116 df-stab 821 df-dc 825 df-3or 969 df-3an 970 df-tru 1346 df-fal 1349 df-nf 1449 df-sb 1751 df-eu 2017 df-mo 2018 df-clab 2152 df-cleq 2158 df-clel 2161 df-nfc 2297 df-ne 2337 df-nel 2432 df-ral 2449 df-rex 2450 df-reu 2451 df-rmo 2452 df-rab 2453 df-v 2728 df-sbc 2952 df-csb 3046 df-dif 3118 df-un 3120 df-in 3122 df-ss 3129 df-nul 3410 df-if 3521 df-pw 3561 df-sn 3582 df-pr 3583 df-op 3585 df-uni 3790 df-int 3825 df-iun 3868 df-disj 3960 df-br 3983 df-opab 4044 df-mpt 4045 df-tr 4081 df-id 4271 df-po 4274 df-iso 4275 df-iord 4344 df-on 4346 df-ilim 4347 df-suc 4349 df-iom 4568 df-xp 4610 df-rel 4611 df-cnv 4612 df-co 4613 df-dm 4614 df-rn 4615 df-res 4616 df-ima 4617 df-iota 5153 df-fun 5190 df-fn 5191 df-f 5192 df-f1 5193 df-fo 5194 df-f1o 5195 df-fv 5196 df-isom 5197 df-riota 5798 df-ov 5845 df-oprab 5846 df-mpo 5847 df-of 6050 df-1st 6108 df-2nd 6109 df-recs 6273 df-irdg 6338 df-frec 6359 df-1o 6384 df-2o 6385 df-oadd 6388 df-er 6501 df-map 6616 df-pm 6617 df-en 6707 df-dom 6708 df-fin 6709 df-sup 6949 df-inf 6950 df-pnf 7935 df-mnf 7936 df-xr 7937 df-ltxr 7938 df-le 7939 df-sub 8071 df-neg 8072 df-reap 8473 df-ap 8480 df-div 8569 df-inn 8858 df-2 8916 df-3 8917 df-4 8918 df-n0 9115 df-z 9192 df-uz 9467 df-q 9558 df-rp 9590 df-xneg 9708 df-xadd 9709 df-ioo 9828 df-ico 9830 df-icc 9831 df-fz 9945 df-fzo 10078 df-fl 10205 df-mod 10258 df-seqfrec 10381 df-exp 10455 df-fac 10639 df-bc 10661 df-ihash 10689 df-shft 10757 df-cj 10784 df-re 10785 df-im 10786 df-rsqrt 10940 df-abs 10941 df-clim 11220 df-sumdc 11295 df-ef 11589 df-e 11590 df-dvds 11728 df-gcd 11876 df-prm 12040 df-rest 12558 df-topgen 12577 df-psmet 12627 df-xmet 12628 df-met 12629 df-bl 12630 df-mopn 12631 df-top 12636 df-topon 12649 df-bases 12681 df-ntr 12736 df-cn 12828 df-cnp 12829 df-tx 12893 df-cncf 13198 df-limced 13265 df-dvap 13266 df-relog 13419 df-rpcxp 13420 df-logb 13502 |
This theorem is referenced by: logbgcd1irrap 13528 |
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