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Theorem leexp2r 13890
Description: Weak ordering relationship for exponentiation. (Contributed by Paul Chapman, 14-Jan-2008.) (Revised by Mario Carneiro, 29-Apr-2014.)
Assertion
Ref Expression
leexp2r (((𝐴 ∈ ℝ ∧ 𝑀 ∈ ℕ0𝑁 ∈ (ℤ𝑀)) ∧ (0 ≤ 𝐴𝐴 ≤ 1)) → (𝐴𝑁) ≤ (𝐴𝑀))

Proof of Theorem leexp2r
Dummy variables 𝑗 𝑘 are mutually distinct and distinct from all other variables.
StepHypRef Expression
1 oveq2 7285 . . . . . . . 8 (𝑗 = 𝑀 → (𝐴𝑗) = (𝐴𝑀))
21breq1d 5086 . . . . . . 7 (𝑗 = 𝑀 → ((𝐴𝑗) ≤ (𝐴𝑀) ↔ (𝐴𝑀) ≤ (𝐴𝑀)))
32imbi2d 341 . . . . . 6 (𝑗 = 𝑀 → ((((𝐴 ∈ ℝ ∧ 𝑀 ∈ ℕ0) ∧ (0 ≤ 𝐴𝐴 ≤ 1)) → (𝐴𝑗) ≤ (𝐴𝑀)) ↔ (((𝐴 ∈ ℝ ∧ 𝑀 ∈ ℕ0) ∧ (0 ≤ 𝐴𝐴 ≤ 1)) → (𝐴𝑀) ≤ (𝐴𝑀))))
4 oveq2 7285 . . . . . . . 8 (𝑗 = 𝑘 → (𝐴𝑗) = (𝐴𝑘))
54breq1d 5086 . . . . . . 7 (𝑗 = 𝑘 → ((𝐴𝑗) ≤ (𝐴𝑀) ↔ (𝐴𝑘) ≤ (𝐴𝑀)))
65imbi2d 341 . . . . . 6 (𝑗 = 𝑘 → ((((𝐴 ∈ ℝ ∧ 𝑀 ∈ ℕ0) ∧ (0 ≤ 𝐴𝐴 ≤ 1)) → (𝐴𝑗) ≤ (𝐴𝑀)) ↔ (((𝐴 ∈ ℝ ∧ 𝑀 ∈ ℕ0) ∧ (0 ≤ 𝐴𝐴 ≤ 1)) → (𝐴𝑘) ≤ (𝐴𝑀))))
7 oveq2 7285 . . . . . . . 8 (𝑗 = (𝑘 + 1) → (𝐴𝑗) = (𝐴↑(𝑘 + 1)))
87breq1d 5086 . . . . . . 7 (𝑗 = (𝑘 + 1) → ((𝐴𝑗) ≤ (𝐴𝑀) ↔ (𝐴↑(𝑘 + 1)) ≤ (𝐴𝑀)))
98imbi2d 341 . . . . . 6 (𝑗 = (𝑘 + 1) → ((((𝐴 ∈ ℝ ∧ 𝑀 ∈ ℕ0) ∧ (0 ≤ 𝐴𝐴 ≤ 1)) → (𝐴𝑗) ≤ (𝐴𝑀)) ↔ (((𝐴 ∈ ℝ ∧ 𝑀 ∈ ℕ0) ∧ (0 ≤ 𝐴𝐴 ≤ 1)) → (𝐴↑(𝑘 + 1)) ≤ (𝐴𝑀))))
10 oveq2 7285 . . . . . . . 8 (𝑗 = 𝑁 → (𝐴𝑗) = (𝐴𝑁))
1110breq1d 5086 . . . . . . 7 (𝑗 = 𝑁 → ((𝐴𝑗) ≤ (𝐴𝑀) ↔ (𝐴𝑁) ≤ (𝐴𝑀)))
1211imbi2d 341 . . . . . 6 (𝑗 = 𝑁 → ((((𝐴 ∈ ℝ ∧ 𝑀 ∈ ℕ0) ∧ (0 ≤ 𝐴𝐴 ≤ 1)) → (𝐴𝑗) ≤ (𝐴𝑀)) ↔ (((𝐴 ∈ ℝ ∧ 𝑀 ∈ ℕ0) ∧ (0 ≤ 𝐴𝐴 ≤ 1)) → (𝐴𝑁) ≤ (𝐴𝑀))))
13 reexpcl 13797 . . . . . . . 8 ((𝐴 ∈ ℝ ∧ 𝑀 ∈ ℕ0) → (𝐴𝑀) ∈ ℝ)
1413adantr 481 . . . . . . 7 (((𝐴 ∈ ℝ ∧ 𝑀 ∈ ℕ0) ∧ (0 ≤ 𝐴𝐴 ≤ 1)) → (𝐴𝑀) ∈ ℝ)
1514leidd 11539 . . . . . 6 (((𝐴 ∈ ℝ ∧ 𝑀 ∈ ℕ0) ∧ (0 ≤ 𝐴𝐴 ≤ 1)) → (𝐴𝑀) ≤ (𝐴𝑀))
16 simprll 776 . . . . . . . . . . 11 ((𝑘 ∈ (ℤ𝑀) ∧ ((𝐴 ∈ ℝ ∧ 𝑀 ∈ ℕ0) ∧ (0 ≤ 𝐴𝐴 ≤ 1))) → 𝐴 ∈ ℝ)
17 1red 10974 . . . . . . . . . . 11 ((𝑘 ∈ (ℤ𝑀) ∧ ((𝐴 ∈ ℝ ∧ 𝑀 ∈ ℕ0) ∧ (0 ≤ 𝐴𝐴 ≤ 1))) → 1 ∈ ℝ)
18 simprlr 777 . . . . . . . . . . . . 13 ((𝑘 ∈ (ℤ𝑀) ∧ ((𝐴 ∈ ℝ ∧ 𝑀 ∈ ℕ0) ∧ (0 ≤ 𝐴𝐴 ≤ 1))) → 𝑀 ∈ ℕ0)
19 simpl 483 . . . . . . . . . . . . 13 ((𝑘 ∈ (ℤ𝑀) ∧ ((𝐴 ∈ ℝ ∧ 𝑀 ∈ ℕ0) ∧ (0 ≤ 𝐴𝐴 ≤ 1))) → 𝑘 ∈ (ℤ𝑀))
20 eluznn0 12655 . . . . . . . . . . . . 13 ((𝑀 ∈ ℕ0𝑘 ∈ (ℤ𝑀)) → 𝑘 ∈ ℕ0)
2118, 19, 20syl2anc 584 . . . . . . . . . . . 12 ((𝑘 ∈ (ℤ𝑀) ∧ ((𝐴 ∈ ℝ ∧ 𝑀 ∈ ℕ0) ∧ (0 ≤ 𝐴𝐴 ≤ 1))) → 𝑘 ∈ ℕ0)
22 reexpcl 13797 . . . . . . . . . . . 12 ((𝐴 ∈ ℝ ∧ 𝑘 ∈ ℕ0) → (𝐴𝑘) ∈ ℝ)
2316, 21, 22syl2anc 584 . . . . . . . . . . 11 ((𝑘 ∈ (ℤ𝑀) ∧ ((𝐴 ∈ ℝ ∧ 𝑀 ∈ ℕ0) ∧ (0 ≤ 𝐴𝐴 ≤ 1))) → (𝐴𝑘) ∈ ℝ)
24 simprrl 778 . . . . . . . . . . . 12 ((𝑘 ∈ (ℤ𝑀) ∧ ((𝐴 ∈ ℝ ∧ 𝑀 ∈ ℕ0) ∧ (0 ≤ 𝐴𝐴 ≤ 1))) → 0 ≤ 𝐴)
25 expge0 13817 . . . . . . . . . . . 12 ((𝐴 ∈ ℝ ∧ 𝑘 ∈ ℕ0 ∧ 0 ≤ 𝐴) → 0 ≤ (𝐴𝑘))
2616, 21, 24, 25syl3anc 1370 . . . . . . . . . . 11 ((𝑘 ∈ (ℤ𝑀) ∧ ((𝐴 ∈ ℝ ∧ 𝑀 ∈ ℕ0) ∧ (0 ≤ 𝐴𝐴 ≤ 1))) → 0 ≤ (𝐴𝑘))
27 simprrr 779 . . . . . . . . . . 11 ((𝑘 ∈ (ℤ𝑀) ∧ ((𝐴 ∈ ℝ ∧ 𝑀 ∈ ℕ0) ∧ (0 ≤ 𝐴𝐴 ≤ 1))) → 𝐴 ≤ 1)
2816, 17, 23, 26, 27lemul2ad 11913 . . . . . . . . . 10 ((𝑘 ∈ (ℤ𝑀) ∧ ((𝐴 ∈ ℝ ∧ 𝑀 ∈ ℕ0) ∧ (0 ≤ 𝐴𝐴 ≤ 1))) → ((𝐴𝑘) · 𝐴) ≤ ((𝐴𝑘) · 1))
2916recnd 11001 . . . . . . . . . . 11 ((𝑘 ∈ (ℤ𝑀) ∧ ((𝐴 ∈ ℝ ∧ 𝑀 ∈ ℕ0) ∧ (0 ≤ 𝐴𝐴 ≤ 1))) → 𝐴 ∈ ℂ)
30 expp1 13787 . . . . . . . . . . 11 ((𝐴 ∈ ℂ ∧ 𝑘 ∈ ℕ0) → (𝐴↑(𝑘 + 1)) = ((𝐴𝑘) · 𝐴))
3129, 21, 30syl2anc 584 . . . . . . . . . 10 ((𝑘 ∈ (ℤ𝑀) ∧ ((𝐴 ∈ ℝ ∧ 𝑀 ∈ ℕ0) ∧ (0 ≤ 𝐴𝐴 ≤ 1))) → (𝐴↑(𝑘 + 1)) = ((𝐴𝑘) · 𝐴))
3223recnd 11001 . . . . . . . . . . . 12 ((𝑘 ∈ (ℤ𝑀) ∧ ((𝐴 ∈ ℝ ∧ 𝑀 ∈ ℕ0) ∧ (0 ≤ 𝐴𝐴 ≤ 1))) → (𝐴𝑘) ∈ ℂ)
3332mulid1d 10990 . . . . . . . . . . 11 ((𝑘 ∈ (ℤ𝑀) ∧ ((𝐴 ∈ ℝ ∧ 𝑀 ∈ ℕ0) ∧ (0 ≤ 𝐴𝐴 ≤ 1))) → ((𝐴𝑘) · 1) = (𝐴𝑘))
3433eqcomd 2744 . . . . . . . . . 10 ((𝑘 ∈ (ℤ𝑀) ∧ ((𝐴 ∈ ℝ ∧ 𝑀 ∈ ℕ0) ∧ (0 ≤ 𝐴𝐴 ≤ 1))) → (𝐴𝑘) = ((𝐴𝑘) · 1))
3528, 31, 343brtr4d 5108 . . . . . . . . 9 ((𝑘 ∈ (ℤ𝑀) ∧ ((𝐴 ∈ ℝ ∧ 𝑀 ∈ ℕ0) ∧ (0 ≤ 𝐴𝐴 ≤ 1))) → (𝐴↑(𝑘 + 1)) ≤ (𝐴𝑘))
36 peano2nn0 12271 . . . . . . . . . . . 12 (𝑘 ∈ ℕ0 → (𝑘 + 1) ∈ ℕ0)
3721, 36syl 17 . . . . . . . . . . 11 ((𝑘 ∈ (ℤ𝑀) ∧ ((𝐴 ∈ ℝ ∧ 𝑀 ∈ ℕ0) ∧ (0 ≤ 𝐴𝐴 ≤ 1))) → (𝑘 + 1) ∈ ℕ0)
38 reexpcl 13797 . . . . . . . . . . 11 ((𝐴 ∈ ℝ ∧ (𝑘 + 1) ∈ ℕ0) → (𝐴↑(𝑘 + 1)) ∈ ℝ)
3916, 37, 38syl2anc 584 . . . . . . . . . 10 ((𝑘 ∈ (ℤ𝑀) ∧ ((𝐴 ∈ ℝ ∧ 𝑀 ∈ ℕ0) ∧ (0 ≤ 𝐴𝐴 ≤ 1))) → (𝐴↑(𝑘 + 1)) ∈ ℝ)
4013ad2antrl 725 . . . . . . . . . 10 ((𝑘 ∈ (ℤ𝑀) ∧ ((𝐴 ∈ ℝ ∧ 𝑀 ∈ ℕ0) ∧ (0 ≤ 𝐴𝐴 ≤ 1))) → (𝐴𝑀) ∈ ℝ)
41 letr 11067 . . . . . . . . . 10 (((𝐴↑(𝑘 + 1)) ∈ ℝ ∧ (𝐴𝑘) ∈ ℝ ∧ (𝐴𝑀) ∈ ℝ) → (((𝐴↑(𝑘 + 1)) ≤ (𝐴𝑘) ∧ (𝐴𝑘) ≤ (𝐴𝑀)) → (𝐴↑(𝑘 + 1)) ≤ (𝐴𝑀)))
4239, 23, 40, 41syl3anc 1370 . . . . . . . . 9 ((𝑘 ∈ (ℤ𝑀) ∧ ((𝐴 ∈ ℝ ∧ 𝑀 ∈ ℕ0) ∧ (0 ≤ 𝐴𝐴 ≤ 1))) → (((𝐴↑(𝑘 + 1)) ≤ (𝐴𝑘) ∧ (𝐴𝑘) ≤ (𝐴𝑀)) → (𝐴↑(𝑘 + 1)) ≤ (𝐴𝑀)))
4335, 42mpand 692 . . . . . . . 8 ((𝑘 ∈ (ℤ𝑀) ∧ ((𝐴 ∈ ℝ ∧ 𝑀 ∈ ℕ0) ∧ (0 ≤ 𝐴𝐴 ≤ 1))) → ((𝐴𝑘) ≤ (𝐴𝑀) → (𝐴↑(𝑘 + 1)) ≤ (𝐴𝑀)))
4443ex 413 . . . . . . 7 (𝑘 ∈ (ℤ𝑀) → (((𝐴 ∈ ℝ ∧ 𝑀 ∈ ℕ0) ∧ (0 ≤ 𝐴𝐴 ≤ 1)) → ((𝐴𝑘) ≤ (𝐴𝑀) → (𝐴↑(𝑘 + 1)) ≤ (𝐴𝑀))))
4544a2d 29 . . . . . 6 (𝑘 ∈ (ℤ𝑀) → ((((𝐴 ∈ ℝ ∧ 𝑀 ∈ ℕ0) ∧ (0 ≤ 𝐴𝐴 ≤ 1)) → (𝐴𝑘) ≤ (𝐴𝑀)) → (((𝐴 ∈ ℝ ∧ 𝑀 ∈ ℕ0) ∧ (0 ≤ 𝐴𝐴 ≤ 1)) → (𝐴↑(𝑘 + 1)) ≤ (𝐴𝑀))))
463, 6, 9, 12, 15, 45uzind4i 12648 . . . . 5 (𝑁 ∈ (ℤ𝑀) → (((𝐴 ∈ ℝ ∧ 𝑀 ∈ ℕ0) ∧ (0 ≤ 𝐴𝐴 ≤ 1)) → (𝐴𝑁) ≤ (𝐴𝑀)))
4746expd 416 . . . 4 (𝑁 ∈ (ℤ𝑀) → ((𝐴 ∈ ℝ ∧ 𝑀 ∈ ℕ0) → ((0 ≤ 𝐴𝐴 ≤ 1) → (𝐴𝑁) ≤ (𝐴𝑀))))
4847com12 32 . . 3 ((𝐴 ∈ ℝ ∧ 𝑀 ∈ ℕ0) → (𝑁 ∈ (ℤ𝑀) → ((0 ≤ 𝐴𝐴 ≤ 1) → (𝐴𝑁) ≤ (𝐴𝑀))))
49483impia 1116 . 2 ((𝐴 ∈ ℝ ∧ 𝑀 ∈ ℕ0𝑁 ∈ (ℤ𝑀)) → ((0 ≤ 𝐴𝐴 ≤ 1) → (𝐴𝑁) ≤ (𝐴𝑀)))
5049imp 407 1 (((𝐴 ∈ ℝ ∧ 𝑀 ∈ ℕ0𝑁 ∈ (ℤ𝑀)) ∧ (0 ≤ 𝐴𝐴 ≤ 1)) → (𝐴𝑁) ≤ (𝐴𝑀))
Colors of variables: wff setvar class
Syntax hints:  wi 4  wa 396  w3a 1086   = wceq 1539  wcel 2106   class class class wbr 5076  cfv 6435  (class class class)co 7277  cc 10867  cr 10868  0cc0 10869  1c1 10870   + caddc 10872   · cmul 10874  cle 11008  0cn0 12231  cuz 12580  cexp 13780
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1798  ax-4 1812  ax-5 1913  ax-6 1971  ax-7 2011  ax-8 2108  ax-9 2116  ax-10 2137  ax-11 2154  ax-12 2171  ax-ext 2709  ax-sep 5225  ax-nul 5232  ax-pow 5290  ax-pr 5354  ax-un 7588  ax-cnex 10925  ax-resscn 10926  ax-1cn 10927  ax-icn 10928  ax-addcl 10929  ax-addrcl 10930  ax-mulcl 10931  ax-mulrcl 10932  ax-mulcom 10933  ax-addass 10934  ax-mulass 10935  ax-distr 10936  ax-i2m1 10937  ax-1ne0 10938  ax-1rid 10939  ax-rnegex 10940  ax-rrecex 10941  ax-cnre 10942  ax-pre-lttri 10943  ax-pre-lttrn 10944  ax-pre-ltadd 10945  ax-pre-mulgt0 10946
This theorem depends on definitions:  df-bi 206  df-an 397  df-or 845  df-3or 1087  df-3an 1088  df-tru 1542  df-fal 1552  df-ex 1783  df-nf 1787  df-sb 2068  df-mo 2540  df-eu 2569  df-clab 2716  df-cleq 2730  df-clel 2816  df-nfc 2889  df-ne 2944  df-nel 3050  df-ral 3069  df-rex 3070  df-reu 3072  df-rab 3073  df-v 3433  df-sbc 3718  df-csb 3834  df-dif 3891  df-un 3893  df-in 3895  df-ss 3905  df-pss 3907  df-nul 4259  df-if 4462  df-pw 4537  df-sn 4564  df-pr 4566  df-op 4570  df-uni 4842  df-iun 4928  df-br 5077  df-opab 5139  df-mpt 5160  df-tr 5194  df-id 5491  df-eprel 5497  df-po 5505  df-so 5506  df-fr 5546  df-we 5548  df-xp 5597  df-rel 5598  df-cnv 5599  df-co 5600  df-dm 5601  df-rn 5602  df-res 5603  df-ima 5604  df-pred 6204  df-ord 6271  df-on 6272  df-lim 6273  df-suc 6274  df-iota 6393  df-fun 6437  df-fn 6438  df-f 6439  df-f1 6440  df-fo 6441  df-f1o 6442  df-fv 6443  df-riota 7234  df-ov 7280  df-oprab 7281  df-mpo 7282  df-om 7713  df-2nd 7832  df-frecs 8095  df-wrecs 8126  df-recs 8200  df-rdg 8239  df-er 8496  df-en 8732  df-dom 8733  df-sdom 8734  df-pnf 11009  df-mnf 11010  df-xr 11011  df-ltxr 11012  df-le 11013  df-sub 11205  df-neg 11206  df-nn 11972  df-n0 12232  df-z 12318  df-uz 12581  df-seq 13720  df-exp 13781
This theorem is referenced by:  exple1  13892  leexp2rd  13970
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