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| Mirrors > Home > ILE Home > Th. List > logbgcd1irraplemap | GIF version | ||
| Description: Lemma for logbgcd1irrap 16055. 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 16053 | . . . 4 ⊢ (𝜑 → (𝑋↑𝑁) # (𝐵↑𝑀)) |
| 7 | eluz2nn 9949 | . . . . . . . 8 ⊢ (𝐵 ∈ (ℤ≥‘2) → 𝐵 ∈ ℕ) | |
| 8 | 2, 7 | syl 14 | . . . . . . 7 ⊢ (𝜑 → 𝐵 ∈ ℕ) |
| 9 | 8 | nnrpd 10078 | . . . . . 6 ⊢ (𝜑 → 𝐵 ∈ ℝ+) |
| 10 | 1red 8335 | . . . . . . 7 ⊢ (𝜑 → 1 ∈ ℝ) | |
| 11 | 8 | nnred 9300 | . . . . . . 7 ⊢ (𝜑 → 𝐵 ∈ ℝ) |
| 12 | eluz2gt1 9985 | . . . . . . . 8 ⊢ (𝐵 ∈ (ℤ≥‘2) → 1 < 𝐵) | |
| 13 | 2, 12 | syl 14 | . . . . . . 7 ⊢ (𝜑 → 1 < 𝐵) |
| 14 | 10, 11, 13 | gtapd 8959 | . . . . . 6 ⊢ (𝜑 → 𝐵 # 1) |
| 15 | eluz2nn 9949 | . . . . . . . 8 ⊢ (𝑋 ∈ (ℤ≥‘2) → 𝑋 ∈ ℕ) | |
| 16 | 1, 15 | syl 14 | . . . . . . 7 ⊢ (𝜑 → 𝑋 ∈ ℕ) |
| 17 | 16 | nnrpd 10078 | . . . . . 6 ⊢ (𝜑 → 𝑋 ∈ ℝ+) |
| 18 | rpcxplogb 16049 | . . . . . 6 ⊢ ((𝐵 ∈ ℝ+ ∧ 𝐵 # 1 ∧ 𝑋 ∈ ℝ+) → (𝐵↑𝑐(𝐵 logb 𝑋)) = 𝑋) | |
| 19 | 9, 14, 17, 18 | syl3anc 1278 | . . . . 5 ⊢ (𝜑 → (𝐵↑𝑐(𝐵 logb 𝑋)) = 𝑋) |
| 20 | 19 | oveq1d 6094 | . . . 4 ⊢ (𝜑 → ((𝐵↑𝑐(𝐵 logb 𝑋))↑𝑁) = (𝑋↑𝑁)) |
| 21 | znq 10007 | . . . . . . . 8 ⊢ ((𝑀 ∈ ℤ ∧ 𝑁 ∈ ℕ) → (𝑀 / 𝑁) ∈ ℚ) | |
| 22 | 4, 5, 21 | syl2anc 415 | . . . . . . 7 ⊢ (𝜑 → (𝑀 / 𝑁) ∈ ℚ) |
| 23 | qre 10008 | . . . . . . 7 ⊢ ((𝑀 / 𝑁) ∈ ℚ → (𝑀 / 𝑁) ∈ ℝ) | |
| 24 | 22, 23 | syl 14 | . . . . . 6 ⊢ (𝜑 → (𝑀 / 𝑁) ∈ ℝ) |
| 25 | 5 | nncnd 9301 | . . . . . 6 ⊢ (𝜑 → 𝑁 ∈ ℂ) |
| 26 | 9, 24, 25 | cxpmuld 16022 | . . . . 5 ⊢ (𝜑 → (𝐵↑𝑐((𝑀 / 𝑁) · 𝑁)) = ((𝐵↑𝑐(𝑀 / 𝑁))↑𝑐𝑁)) |
| 27 | 4 | zcnd 9752 | . . . . . . . 8 ⊢ (𝜑 → 𝑀 ∈ ℂ) |
| 28 | 5 | nnap0d 9333 | . . . . . . . 8 ⊢ (𝜑 → 𝑁 # 0) |
| 29 | 27, 25, 28 | divcanap1d 9115 | . . . . . . 7 ⊢ (𝜑 → ((𝑀 / 𝑁) · 𝑁) = 𝑀) |
| 30 | 29 | oveq2d 6095 | . . . . . 6 ⊢ (𝜑 → (𝐵↑𝑐((𝑀 / 𝑁) · 𝑁)) = (𝐵↑𝑐𝑀)) |
| 31 | cxpexpnn 15981 | . . . . . . 7 ⊢ ((𝐵 ∈ ℕ ∧ 𝑀 ∈ ℤ) → (𝐵↑𝑐𝑀) = (𝐵↑𝑀)) | |
| 32 | 8, 4, 31 | syl2anc 415 | . . . . . 6 ⊢ (𝜑 → (𝐵↑𝑐𝑀) = (𝐵↑𝑀)) |
| 33 | 30, 32 | eqtrd 2271 | . . . . 5 ⊢ (𝜑 → (𝐵↑𝑐((𝑀 / 𝑁) · 𝑁)) = (𝐵↑𝑀)) |
| 34 | 9, 24 | rpcxpcld 16018 | . . . . . 6 ⊢ (𝜑 → (𝐵↑𝑐(𝑀 / 𝑁)) ∈ ℝ+) |
| 35 | 5 | nnzd 9750 | . . . . . 6 ⊢ (𝜑 → 𝑁 ∈ ℤ) |
| 36 | cxpexprp 15980 | . . . . . 6 ⊢ (((𝐵↑𝑐(𝑀 / 𝑁)) ∈ ℝ+ ∧ 𝑁 ∈ ℤ) → ((𝐵↑𝑐(𝑀 / 𝑁))↑𝑐𝑁) = ((𝐵↑𝑐(𝑀 / 𝑁))↑𝑁)) | |
| 37 | 34, 35, 36 | syl2anc 415 | . . . . 5 ⊢ (𝜑 → ((𝐵↑𝑐(𝑀 / 𝑁))↑𝑐𝑁) = ((𝐵↑𝑐(𝑀 / 𝑁))↑𝑁)) |
| 38 | 26, 33, 37 | 3eqtr3rd 2280 | . . . 4 ⊢ (𝜑 → ((𝐵↑𝑐(𝑀 / 𝑁))↑𝑁) = (𝐵↑𝑀)) |
| 39 | 6, 20, 38 | 3brtr4d 4160 | . . 3 ⊢ (𝜑 → ((𝐵↑𝑐(𝐵 logb 𝑋))↑𝑁) # ((𝐵↑𝑐(𝑀 / 𝑁))↑𝑁)) |
| 40 | relogbzcl 16037 | . . . . . . 7 ⊢ ((𝐵 ∈ (ℤ≥‘2) ∧ 𝑋 ∈ ℝ+) → (𝐵 logb 𝑋) ∈ ℝ) | |
| 41 | 2, 17, 40 | syl2anc 415 | . . . . . 6 ⊢ (𝜑 → (𝐵 logb 𝑋) ∈ ℝ) |
| 42 | 41 | recnd 8348 | . . . . 5 ⊢ (𝜑 → (𝐵 logb 𝑋) ∈ ℂ) |
| 43 | 9, 42 | rpcncxpcld 16012 | . . . 4 ⊢ (𝜑 → (𝐵↑𝑐(𝐵 logb 𝑋)) ∈ ℂ) |
| 44 | qcn 10017 | . . . . . 6 ⊢ ((𝑀 / 𝑁) ∈ ℚ → (𝑀 / 𝑁) ∈ ℂ) | |
| 45 | 22, 44 | syl 14 | . . . . 5 ⊢ (𝜑 → (𝑀 / 𝑁) ∈ ℂ) |
| 46 | 9, 45 | rpcncxpcld 16012 | . . . 4 ⊢ (𝜑 → (𝐵↑𝑐(𝑀 / 𝑁)) ∈ ℂ) |
| 47 | apexp1 11139 | . . . 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 1278 | . . 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 16024 | . . 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 1279 | . 2 ⊢ (𝜑 → ((𝐵 logb 𝑋) # (𝑀 / 𝑁) ↔ (𝐵↑𝑐(𝐵 logb 𝑋)) # (𝐵↑𝑐(𝑀 / 𝑁)))) |
| 52 | 49, 51 | mpbird 167 | 1 ⊢ (𝜑 → (𝐵 logb 𝑋) # (𝑀 / 𝑁)) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 ↔ wb 105 = wceq 1402 ∈ wcel 2209 class class class wbr 4128 ‘cfv 5375 (class class class)co 6079 ℂcc 8171 ℝcr 8172 1c1 8174 · cmul 8178 < clt 8354 # cap 8903 / cdiv 8996 ℕcn 9287 2c2 9338 ℤcz 9627 ℤ≥cuz 9904 ℚcq 10002 ℝ+crp 10037 ↑cexp 10958 gcd cgcd 12713 ↑𝑐ccxp 15941 logb clogb 16028 |
| 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 623 ax-in2 624 ax-io 721 ax-5 1500 ax-7 1501 ax-gen 1502 ax-ie1 1546 ax-ie2 1547 ax-8 1557 ax-10 1558 ax-11 1559 ax-i12 1560 ax-bndl 1562 ax-4 1563 ax-17 1579 ax-i9 1583 ax-ial 1587 ax-i5r 1588 ax-14 2212 ax-ext 2220 ax-coll 4244 ax-sep 4247 ax-nul 4257 ax-pow 4309 ax-pr 4344 ax-un 4576 ax-setind 4682 ax-iinf 4733 ax-cnex 8264 ax-resscn 8265 ax-1cn 8266 ax-1re 8267 ax-icn 8268 ax-addcl 8269 ax-addrcl 8270 ax-mulcl 8271 ax-mulrcl 8272 ax-addcom 8273 ax-mulcom 8274 ax-addass 8275 ax-mulass 8276 ax-distr 8277 ax-i2m1 8278 ax-0lt1 8279 ax-1rid 8280 ax-0id 8281 ax-rnegex 8282 ax-precex 8283 ax-cnre 8284 ax-pre-ltirr 8285 ax-pre-ltwlin 8286 ax-pre-lttrn 8287 ax-pre-apti 8288 ax-pre-ltadd 8289 ax-pre-mulgt0 8290 ax-pre-mulext 8291 ax-arch 8292 ax-caucvg 8293 ax-pre-suploc 8294 ax-addf 8295 ax-mulf 8296 |
| This theorem depends on definitions: df-bi 117 df-stab 843 df-dc 847 df-3or 1010 df-3an 1011 df-tru 1405 df-fal 1408 df-nf 1514 df-sb 1816 df-eu 2089 df-mo 2090 df-clab 2225 df-cleq 2231 df-clel 2234 df-nfc 2381 df-ne 2421 df-nel 2516 df-ral 2533 df-rex 2534 df-reu 2535 df-rmo 2536 df-rab 2537 df-v 2823 df-sbc 3052 df-csb 3148 df-dif 3222 df-un 3224 df-in 3226 df-ss 3233 df-nul 3521 df-if 3639 df-pw 3690 df-sn 3714 df-pr 3715 df-op 3717 df-uni 3934 df-int 3969 df-iun 4012 df-disj 4105 df-br 4129 df-opab 4191 df-mpt 4192 df-tr 4228 df-id 4436 df-po 4439 df-iso 4440 df-iord 4509 df-on 4511 df-ilim 4512 df-suc 4514 df-iom 4736 df-xp 4778 df-rel 4779 df-cnv 4780 df-co 4781 df-dm 4782 df-rn 4783 df-res 4784 df-ima 4785 df-iota 5335 df-fun 5377 df-fn 5378 df-f 5379 df-f1 5380 df-fo 5381 df-f1o 5382 df-fv 5383 df-isom 5384 df-riota 6032 df-ov 6082 df-oprab 6083 df-mpo 6084 df-of 6296 df-1st 6368 df-2nd 6369 df-recs 6570 df-irdg 6635 df-frec 6656 df-1o 6681 df-2o 6682 df-oadd 6685 df-er 6801 df-map 6918 df-pm 6919 df-en 7017 df-dom 7018 df-fin 7019 df-sup 7318 df-inf 7319 df-pnf 8356 df-mnf 8357 df-xr 8358 df-ltxr 8359 df-le 8360 df-sub 8493 df-neg 8494 df-reap 8897 df-ap 8904 df-div 8997 df-inn 9288 df-2 9346 df-3 9347 df-4 9348 df-n0 9547 df-z 9628 df-uz 9905 df-q 10003 df-rp 10038 df-xneg 10157 df-xadd 10158 df-ioo 10277 df-ico 10279 df-icc 10280 df-fz 10395 df-fzo 10533 df-fl 10688 df-mod 10743 df-seqfrec 10868 df-exp 10959 df-fac 11147 df-bc 11169 df-ihash 11198 df-shft 11563 df-cj 11590 df-re 11591 df-im 11592 df-rsqrt 11747 df-abs 11748 df-clim 12028 df-sumdc 12103 df-ef 12398 df-e 12399 df-dvds 12538 df-gcd 12714 df-prm 12869 df-rest 13578 df-topgen 13597 df-psmet 14863 df-xmet 14864 df-met 14865 df-bl 14866 df-mopn 14867 df-top 15082 df-topon 15095 df-bases 15127 df-ntr 15180 df-cn 15272 df-cnp 15273 df-tx 15337 df-cncf 15655 df-limced 15740 df-dvap 15741 df-relog 15942 df-rpcxp 15943 df-logb 16029 |
| This theorem is referenced by: logbgcd1irrap 16055 |
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