Mathbox for Glauco Siliprandi |
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Mirrors > Home > MPE Home > Th. List > Mathboxes > xralrple4 | Structured version Visualization version GIF version |
Description: Show that 𝐴 is less than 𝐵 by showing that there is no positive bound on the difference. (Contributed by Glauco Siliprandi, 8-Apr-2021.) |
Ref | Expression |
---|---|
xralrple4.a | ⊢ (𝜑 → 𝐴 ∈ ℝ*) |
xralrple4.b | ⊢ (𝜑 → 𝐵 ∈ ℝ) |
xralrple4.n | ⊢ (𝜑 → 𝑁 ∈ ℕ) |
Ref | Expression |
---|---|
xralrple4 | ⊢ (𝜑 → (𝐴 ≤ 𝐵 ↔ ∀𝑥 ∈ ℝ+ 𝐴 ≤ (𝐵 + (𝑥↑𝑁)))) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | xralrple4.a | . . . . . 6 ⊢ (𝜑 → 𝐴 ∈ ℝ*) | |
2 | 1 | ad2antrr 726 | . . . . 5 ⊢ (((𝜑 ∧ 𝐴 ≤ 𝐵) ∧ 𝑥 ∈ ℝ+) → 𝐴 ∈ ℝ*) |
3 | xralrple4.b | . . . . . . 7 ⊢ (𝜑 → 𝐵 ∈ ℝ) | |
4 | 3 | rexrd 10883 | . . . . . 6 ⊢ (𝜑 → 𝐵 ∈ ℝ*) |
5 | 4 | ad2antrr 726 | . . . . 5 ⊢ (((𝜑 ∧ 𝐴 ≤ 𝐵) ∧ 𝑥 ∈ ℝ+) → 𝐵 ∈ ℝ*) |
6 | 3 | ad2antrr 726 | . . . . . . 7 ⊢ (((𝜑 ∧ 𝐴 ≤ 𝐵) ∧ 𝑥 ∈ ℝ+) → 𝐵 ∈ ℝ) |
7 | rpre 12594 | . . . . . . . . . 10 ⊢ (𝑥 ∈ ℝ+ → 𝑥 ∈ ℝ) | |
8 | 7 | adantl 485 | . . . . . . . . 9 ⊢ ((𝜑 ∧ 𝑥 ∈ ℝ+) → 𝑥 ∈ ℝ) |
9 | xralrple4.n | . . . . . . . . . . 11 ⊢ (𝜑 → 𝑁 ∈ ℕ) | |
10 | 9 | nnnn0d 12150 | . . . . . . . . . 10 ⊢ (𝜑 → 𝑁 ∈ ℕ0) |
11 | 10 | adantr 484 | . . . . . . . . 9 ⊢ ((𝜑 ∧ 𝑥 ∈ ℝ+) → 𝑁 ∈ ℕ0) |
12 | 8, 11 | reexpcld 13733 | . . . . . . . 8 ⊢ ((𝜑 ∧ 𝑥 ∈ ℝ+) → (𝑥↑𝑁) ∈ ℝ) |
13 | 12 | adantlr 715 | . . . . . . 7 ⊢ (((𝜑 ∧ 𝐴 ≤ 𝐵) ∧ 𝑥 ∈ ℝ+) → (𝑥↑𝑁) ∈ ℝ) |
14 | 6, 13 | readdcld 10862 | . . . . . 6 ⊢ (((𝜑 ∧ 𝐴 ≤ 𝐵) ∧ 𝑥 ∈ ℝ+) → (𝐵 + (𝑥↑𝑁)) ∈ ℝ) |
15 | 14 | rexrd 10883 | . . . . 5 ⊢ (((𝜑 ∧ 𝐴 ≤ 𝐵) ∧ 𝑥 ∈ ℝ+) → (𝐵 + (𝑥↑𝑁)) ∈ ℝ*) |
16 | simplr 769 | . . . . 5 ⊢ (((𝜑 ∧ 𝐴 ≤ 𝐵) ∧ 𝑥 ∈ ℝ+) → 𝐴 ≤ 𝐵) | |
17 | rpge0 12599 | . . . . . . . . 9 ⊢ (𝑥 ∈ ℝ+ → 0 ≤ 𝑥) | |
18 | 17 | adantl 485 | . . . . . . . 8 ⊢ ((𝜑 ∧ 𝑥 ∈ ℝ+) → 0 ≤ 𝑥) |
19 | 8, 11, 18 | expge0d 13734 | . . . . . . 7 ⊢ ((𝜑 ∧ 𝑥 ∈ ℝ+) → 0 ≤ (𝑥↑𝑁)) |
20 | 3 | adantr 484 | . . . . . . . 8 ⊢ ((𝜑 ∧ 𝑥 ∈ ℝ+) → 𝐵 ∈ ℝ) |
21 | 20, 12 | addge01d 11420 | . . . . . . 7 ⊢ ((𝜑 ∧ 𝑥 ∈ ℝ+) → (0 ≤ (𝑥↑𝑁) ↔ 𝐵 ≤ (𝐵 + (𝑥↑𝑁)))) |
22 | 19, 21 | mpbid 235 | . . . . . 6 ⊢ ((𝜑 ∧ 𝑥 ∈ ℝ+) → 𝐵 ≤ (𝐵 + (𝑥↑𝑁))) |
23 | 22 | adantlr 715 | . . . . 5 ⊢ (((𝜑 ∧ 𝐴 ≤ 𝐵) ∧ 𝑥 ∈ ℝ+) → 𝐵 ≤ (𝐵 + (𝑥↑𝑁))) |
24 | 2, 5, 15, 16, 23 | xrletrd 12752 | . . . 4 ⊢ (((𝜑 ∧ 𝐴 ≤ 𝐵) ∧ 𝑥 ∈ ℝ+) → 𝐴 ≤ (𝐵 + (𝑥↑𝑁))) |
25 | 24 | ralrimiva 3105 | . . 3 ⊢ ((𝜑 ∧ 𝐴 ≤ 𝐵) → ∀𝑥 ∈ ℝ+ 𝐴 ≤ (𝐵 + (𝑥↑𝑁))) |
26 | 25 | ex 416 | . 2 ⊢ (𝜑 → (𝐴 ≤ 𝐵 → ∀𝑥 ∈ ℝ+ 𝐴 ≤ (𝐵 + (𝑥↑𝑁)))) |
27 | simpr 488 | . . . . . . . . 9 ⊢ ((𝜑 ∧ 𝑦 ∈ ℝ+) → 𝑦 ∈ ℝ+) | |
28 | 9 | nnrpd 12626 | . . . . . . . . . . . 12 ⊢ (𝜑 → 𝑁 ∈ ℝ+) |
29 | 28 | rpreccld 12638 | . . . . . . . . . . 11 ⊢ (𝜑 → (1 / 𝑁) ∈ ℝ+) |
30 | 29 | rpred 12628 | . . . . . . . . . 10 ⊢ (𝜑 → (1 / 𝑁) ∈ ℝ) |
31 | 30 | adantr 484 | . . . . . . . . 9 ⊢ ((𝜑 ∧ 𝑦 ∈ ℝ+) → (1 / 𝑁) ∈ ℝ) |
32 | 27, 31 | rpcxpcld 25620 | . . . . . . . 8 ⊢ ((𝜑 ∧ 𝑦 ∈ ℝ+) → (𝑦↑𝑐(1 / 𝑁)) ∈ ℝ+) |
33 | 32 | adantlr 715 | . . . . . . 7 ⊢ (((𝜑 ∧ ∀𝑥 ∈ ℝ+ 𝐴 ≤ (𝐵 + (𝑥↑𝑁))) ∧ 𝑦 ∈ ℝ+) → (𝑦↑𝑐(1 / 𝑁)) ∈ ℝ+) |
34 | simplr 769 | . . . . . . 7 ⊢ (((𝜑 ∧ ∀𝑥 ∈ ℝ+ 𝐴 ≤ (𝐵 + (𝑥↑𝑁))) ∧ 𝑦 ∈ ℝ+) → ∀𝑥 ∈ ℝ+ 𝐴 ≤ (𝐵 + (𝑥↑𝑁))) | |
35 | oveq1 7220 | . . . . . . . . . 10 ⊢ (𝑥 = (𝑦↑𝑐(1 / 𝑁)) → (𝑥↑𝑁) = ((𝑦↑𝑐(1 / 𝑁))↑𝑁)) | |
36 | 35 | oveq2d 7229 | . . . . . . . . 9 ⊢ (𝑥 = (𝑦↑𝑐(1 / 𝑁)) → (𝐵 + (𝑥↑𝑁)) = (𝐵 + ((𝑦↑𝑐(1 / 𝑁))↑𝑁))) |
37 | 36 | breq2d 5065 | . . . . . . . 8 ⊢ (𝑥 = (𝑦↑𝑐(1 / 𝑁)) → (𝐴 ≤ (𝐵 + (𝑥↑𝑁)) ↔ 𝐴 ≤ (𝐵 + ((𝑦↑𝑐(1 / 𝑁))↑𝑁)))) |
38 | 37 | rspcva 3535 | . . . . . . 7 ⊢ (((𝑦↑𝑐(1 / 𝑁)) ∈ ℝ+ ∧ ∀𝑥 ∈ ℝ+ 𝐴 ≤ (𝐵 + (𝑥↑𝑁))) → 𝐴 ≤ (𝐵 + ((𝑦↑𝑐(1 / 𝑁))↑𝑁))) |
39 | 33, 34, 38 | syl2anc 587 | . . . . . 6 ⊢ (((𝜑 ∧ ∀𝑥 ∈ ℝ+ 𝐴 ≤ (𝐵 + (𝑥↑𝑁))) ∧ 𝑦 ∈ ℝ+) → 𝐴 ≤ (𝐵 + ((𝑦↑𝑐(1 / 𝑁))↑𝑁))) |
40 | 27 | rpcnd 12630 | . . . . . . . . 9 ⊢ ((𝜑 ∧ 𝑦 ∈ ℝ+) → 𝑦 ∈ ℂ) |
41 | 9 | adantr 484 | . . . . . . . . 9 ⊢ ((𝜑 ∧ 𝑦 ∈ ℝ+) → 𝑁 ∈ ℕ) |
42 | cxproot 25578 | . . . . . . . . 9 ⊢ ((𝑦 ∈ ℂ ∧ 𝑁 ∈ ℕ) → ((𝑦↑𝑐(1 / 𝑁))↑𝑁) = 𝑦) | |
43 | 40, 41, 42 | syl2anc 587 | . . . . . . . 8 ⊢ ((𝜑 ∧ 𝑦 ∈ ℝ+) → ((𝑦↑𝑐(1 / 𝑁))↑𝑁) = 𝑦) |
44 | 43 | oveq2d 7229 | . . . . . . 7 ⊢ ((𝜑 ∧ 𝑦 ∈ ℝ+) → (𝐵 + ((𝑦↑𝑐(1 / 𝑁))↑𝑁)) = (𝐵 + 𝑦)) |
45 | 44 | adantlr 715 | . . . . . 6 ⊢ (((𝜑 ∧ ∀𝑥 ∈ ℝ+ 𝐴 ≤ (𝐵 + (𝑥↑𝑁))) ∧ 𝑦 ∈ ℝ+) → (𝐵 + ((𝑦↑𝑐(1 / 𝑁))↑𝑁)) = (𝐵 + 𝑦)) |
46 | 39, 45 | breqtrd 5079 | . . . . 5 ⊢ (((𝜑 ∧ ∀𝑥 ∈ ℝ+ 𝐴 ≤ (𝐵 + (𝑥↑𝑁))) ∧ 𝑦 ∈ ℝ+) → 𝐴 ≤ (𝐵 + 𝑦)) |
47 | 46 | ralrimiva 3105 | . . . 4 ⊢ ((𝜑 ∧ ∀𝑥 ∈ ℝ+ 𝐴 ≤ (𝐵 + (𝑥↑𝑁))) → ∀𝑦 ∈ ℝ+ 𝐴 ≤ (𝐵 + 𝑦)) |
48 | xralrple 12795 | . . . . . 6 ⊢ ((𝐴 ∈ ℝ* ∧ 𝐵 ∈ ℝ) → (𝐴 ≤ 𝐵 ↔ ∀𝑦 ∈ ℝ+ 𝐴 ≤ (𝐵 + 𝑦))) | |
49 | 1, 3, 48 | syl2anc 587 | . . . . 5 ⊢ (𝜑 → (𝐴 ≤ 𝐵 ↔ ∀𝑦 ∈ ℝ+ 𝐴 ≤ (𝐵 + 𝑦))) |
50 | 49 | adantr 484 | . . . 4 ⊢ ((𝜑 ∧ ∀𝑥 ∈ ℝ+ 𝐴 ≤ (𝐵 + (𝑥↑𝑁))) → (𝐴 ≤ 𝐵 ↔ ∀𝑦 ∈ ℝ+ 𝐴 ≤ (𝐵 + 𝑦))) |
51 | 47, 50 | mpbird 260 | . . 3 ⊢ ((𝜑 ∧ ∀𝑥 ∈ ℝ+ 𝐴 ≤ (𝐵 + (𝑥↑𝑁))) → 𝐴 ≤ 𝐵) |
52 | 51 | ex 416 | . 2 ⊢ (𝜑 → (∀𝑥 ∈ ℝ+ 𝐴 ≤ (𝐵 + (𝑥↑𝑁)) → 𝐴 ≤ 𝐵)) |
53 | 26, 52 | impbid 215 | 1 ⊢ (𝜑 → (𝐴 ≤ 𝐵 ↔ ∀𝑥 ∈ ℝ+ 𝐴 ≤ (𝐵 + (𝑥↑𝑁)))) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ↔ wb 209 ∧ wa 399 = wceq 1543 ∈ wcel 2110 ∀wral 3061 class class class wbr 5053 (class class class)co 7213 ℂcc 10727 ℝcr 10728 0cc0 10729 1c1 10730 + caddc 10732 ℝ*cxr 10866 ≤ cle 10868 / cdiv 11489 ℕcn 11830 ℕ0cn0 12090 ℝ+crp 12586 ↑cexp 13635 ↑𝑐ccxp 25444 |
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-rep 5179 ax-sep 5192 ax-nul 5199 ax-pow 5258 ax-pr 5322 ax-un 7523 ax-inf2 9256 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 ax-pre-sup 10807 ax-addf 10808 ax-mulf 10809 |
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-rmo 3069 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-int 4860 df-iun 4906 df-iin 4907 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-se 5510 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-isom 6389 df-riota 7170 df-ov 7216 df-oprab 7217 df-mpo 7218 df-of 7469 df-om 7645 df-1st 7761 df-2nd 7762 df-supp 7904 df-wrecs 8047 df-recs 8108 df-rdg 8146 df-1o 8202 df-2o 8203 df-er 8391 df-map 8510 df-pm 8511 df-ixp 8579 df-en 8627 df-dom 8628 df-sdom 8629 df-fin 8630 df-fsupp 8986 df-fi 9027 df-sup 9058 df-inf 9059 df-oi 9126 df-card 9555 df-pnf 10869 df-mnf 10870 df-xr 10871 df-ltxr 10872 df-le 10873 df-sub 11064 df-neg 11065 df-div 11490 df-nn 11831 df-2 11893 df-3 11894 df-4 11895 df-5 11896 df-6 11897 df-7 11898 df-8 11899 df-9 11900 df-n0 12091 df-z 12177 df-dec 12294 df-uz 12439 df-q 12545 df-rp 12587 df-xneg 12704 df-xadd 12705 df-xmul 12706 df-ioo 12939 df-ioc 12940 df-ico 12941 df-icc 12942 df-fz 13096 df-fzo 13239 df-fl 13367 df-mod 13443 df-seq 13575 df-exp 13636 df-fac 13840 df-bc 13869 df-hash 13897 df-shft 14630 df-cj 14662 df-re 14663 df-im 14664 df-sqrt 14798 df-abs 14799 df-limsup 15032 df-clim 15049 df-rlim 15050 df-sum 15250 df-ef 15629 df-sin 15631 df-cos 15632 df-pi 15634 df-struct 16700 df-sets 16717 df-slot 16735 df-ndx 16745 df-base 16761 df-ress 16785 df-plusg 16815 df-mulr 16816 df-starv 16817 df-sca 16818 df-vsca 16819 df-ip 16820 df-tset 16821 df-ple 16822 df-ds 16824 df-unif 16825 df-hom 16826 df-cco 16827 df-rest 16927 df-topn 16928 df-0g 16946 df-gsum 16947 df-topgen 16948 df-pt 16949 df-prds 16952 df-xrs 17007 df-qtop 17012 df-imas 17013 df-xps 17015 df-mre 17089 df-mrc 17090 df-acs 17092 df-mgm 18114 df-sgrp 18163 df-mnd 18174 df-submnd 18219 df-mulg 18489 df-cntz 18711 df-cmn 19172 df-psmet 20355 df-xmet 20356 df-met 20357 df-bl 20358 df-mopn 20359 df-fbas 20360 df-fg 20361 df-cnfld 20364 df-top 21791 df-topon 21808 df-topsp 21830 df-bases 21843 df-cld 21916 df-ntr 21917 df-cls 21918 df-nei 21995 df-lp 22033 df-perf 22034 df-cn 22124 df-cnp 22125 df-haus 22212 df-tx 22459 df-hmeo 22652 df-fil 22743 df-fm 22835 df-flim 22836 df-flf 22837 df-xms 23218 df-ms 23219 df-tms 23220 df-cncf 23775 df-limc 24763 df-dv 24764 df-log 25445 df-cxp 25446 |
This theorem is referenced by: (None) |
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