cxpaddlelem - Metamath Proof Explorer

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Theorem cxpaddlelem 26496

Description: Lemma for cxpaddle 26497. (Contributed by Mario Carneiro, 2-Aug-2014.)

**Hypotheses**
Ref	Expression
cxpaddlelem.1	⊢ (𝜑 → 𝐴 ∈ ℝ)
cxpaddlelem.2	⊢ (𝜑 → 0 ≤ 𝐴)
cxpaddlelem.3	⊢ (𝜑 → 𝐴 ≤ 1)
cxpaddlelem.4	⊢ (𝜑 → 𝐵 ∈ ℝ⁺)
cxpaddlelem.5	⊢ (𝜑 → 𝐵 ≤ 1)

**Assertion**
Ref	Expression
cxpaddlelem	⊢ (𝜑 → 𝐴 ≤ (𝐴↑_𝑐𝐵))

**Proof of Theorem cxpaddlelem**
Step	Hyp	Ref	Expression
1		cxpaddlelem.1	. . . . . 6 ⊢ (𝜑 → 𝐴 ∈ ℝ)
2		cxpaddlelem.2	. . . . . 6 ⊢ (𝜑 → 0 ≤ 𝐴)
3		1re 11219	. . . . . . 7 ⊢ 1 ∈ ℝ
4		cxpaddlelem.4	. . . . . . . 8 ⊢ (𝜑 → 𝐵 ∈ ℝ⁺)
5	4	rpred 13021	. . . . . . 7 ⊢ (𝜑 → 𝐵 ∈ ℝ)
6		resubcl 11529	. . . . . . 7 ⊢ ((1 ∈ ℝ ∧ 𝐵 ∈ ℝ) → (1 − 𝐵) ∈ ℝ)
7	3, 5, 6	sylancr 586	. . . . . 6 ⊢ (𝜑 → (1 − 𝐵) ∈ ℝ)
8	1, 2, 7	recxpcld 26468	. . . . 5 ⊢ (𝜑 → (𝐴↑_𝑐(1 − 𝐵)) ∈ ℝ)
9	8	adantr 480	. . . 4 ⊢ ((𝜑 ∧ 0 < 𝐴) → (𝐴↑_𝑐(1 − 𝐵)) ∈ ℝ)
10		1red 11220	. . . 4 ⊢ ((𝜑 ∧ 0 < 𝐴) → 1 ∈ ℝ)
11		recxpcl 26420	. . . . . . 7 ⊢ ((𝐴 ∈ ℝ ∧ 0 ≤ 𝐴 ∧ 𝐵 ∈ ℝ) → (𝐴↑_𝑐𝐵) ∈ ℝ)
12		cxpge0 26428	. . . . . . 7 ⊢ ((𝐴 ∈ ℝ ∧ 0 ≤ 𝐴 ∧ 𝐵 ∈ ℝ) → 0 ≤ (𝐴↑_𝑐𝐵))
13	11, 12	jca 511	. . . . . 6 ⊢ ((𝐴 ∈ ℝ ∧ 0 ≤ 𝐴 ∧ 𝐵 ∈ ℝ) → ((𝐴↑_𝑐𝐵) ∈ ℝ ∧ 0 ≤ (𝐴↑_𝑐𝐵)))
14	1, 2, 5, 13	syl3anc 1370	. . . . 5 ⊢ (𝜑 → ((𝐴↑_𝑐𝐵) ∈ ℝ ∧ 0 ≤ (𝐴↑_𝑐𝐵)))
15	14	adantr 480	. . . 4 ⊢ ((𝜑 ∧ 0 < 𝐴) → ((𝐴↑_𝑐𝐵) ∈ ℝ ∧ 0 ≤ (𝐴↑_𝑐𝐵)))
16		cxpaddlelem.3	. . . . . . . 8 ⊢ (𝜑 → 𝐴 ≤ 1)
17	16	ad2antrr 723	. . . . . . 7 ⊢ (((𝜑 ∧ 0 < 𝐴) ∧ 𝐵 < 1) → 𝐴 ≤ 1)
18	1	ad2antrr 723	. . . . . . . 8 ⊢ (((𝜑 ∧ 0 < 𝐴) ∧ 𝐵 < 1) → 𝐴 ∈ ℝ)
19	2	ad2antrr 723	. . . . . . . 8 ⊢ (((𝜑 ∧ 0 < 𝐴) ∧ 𝐵 < 1) → 0 ≤ 𝐴)
20		1red 11220	. . . . . . . 8 ⊢ (((𝜑 ∧ 0 < 𝐴) ∧ 𝐵 < 1) → 1 ∈ ℝ)
21		0le1 11742	. . . . . . . . 9 ⊢ 0 ≤ 1
22	21	a1i 11	. . . . . . . 8 ⊢ (((𝜑 ∧ 0 < 𝐴) ∧ 𝐵 < 1) → 0 ≤ 1)
23		difrp 13017	. . . . . . . . . . 11 ⊢ ((𝐵 ∈ ℝ ∧ 1 ∈ ℝ) → (𝐵 < 1 ↔ (1 − 𝐵) ∈ ℝ⁺))
24	5, 3, 23	sylancl 585	. . . . . . . . . 10 ⊢ (𝜑 → (𝐵 < 1 ↔ (1 − 𝐵) ∈ ℝ⁺))
25	24	adantr 480	. . . . . . . . 9 ⊢ ((𝜑 ∧ 0 < 𝐴) → (𝐵 < 1 ↔ (1 − 𝐵) ∈ ℝ⁺))
26	25	biimpa 476	. . . . . . . 8 ⊢ (((𝜑 ∧ 0 < 𝐴) ∧ 𝐵 < 1) → (1 − 𝐵) ∈ ℝ⁺)
27	18, 19, 20, 22, 26	cxple2d 26472	. . . . . . 7 ⊢ (((𝜑 ∧ 0 < 𝐴) ∧ 𝐵 < 1) → (𝐴 ≤ 1 ↔ (𝐴↑_𝑐(1 − 𝐵)) ≤ (1↑_𝑐(1 − 𝐵))))
28	17, 27	mpbid 231	. . . . . 6 ⊢ (((𝜑 ∧ 0 < 𝐴) ∧ 𝐵 < 1) → (𝐴↑_𝑐(1 − 𝐵)) ≤ (1↑_𝑐(1 − 𝐵)))
29	7	recnd 11247	. . . . . . . 8 ⊢ (𝜑 → (1 − 𝐵) ∈ ℂ)
30	29	1cxpd 26452	. . . . . . 7 ⊢ (𝜑 → (1↑_𝑐(1 − 𝐵)) = 1)
31	30	ad2antrr 723	. . . . . 6 ⊢ (((𝜑 ∧ 0 < 𝐴) ∧ 𝐵 < 1) → (1↑_𝑐(1 − 𝐵)) = 1)
32	28, 31	breqtrd 5174	. . . . 5 ⊢ (((𝜑 ∧ 0 < 𝐴) ∧ 𝐵 < 1) → (𝐴↑_𝑐(1 − 𝐵)) ≤ 1)
33		simpr 484	. . . . . . . . . 10 ⊢ (((𝜑 ∧ 0 < 𝐴) ∧ 𝐵 = 1) → 𝐵 = 1)
34	33	oveq2d 7428	. . . . . . . . 9 ⊢ (((𝜑 ∧ 0 < 𝐴) ∧ 𝐵 = 1) → (1 − 𝐵) = (1 − 1))
35		1m1e0 12289	. . . . . . . . 9 ⊢ (1 − 1) = 0
36	34, 35	eqtrdi 2787	. . . . . . . 8 ⊢ (((𝜑 ∧ 0 < 𝐴) ∧ 𝐵 = 1) → (1 − 𝐵) = 0)
37	36	oveq2d 7428	. . . . . . 7 ⊢ (((𝜑 ∧ 0 < 𝐴) ∧ 𝐵 = 1) → (𝐴↑_𝑐(1 − 𝐵)) = (𝐴↑_𝑐0))
38	1	recnd 11247	. . . . . . . . 9 ⊢ (𝜑 → 𝐴 ∈ ℂ)
39	38	ad2antrr 723	. . . . . . . 8 ⊢ (((𝜑 ∧ 0 < 𝐴) ∧ 𝐵 = 1) → 𝐴 ∈ ℂ)
40	39	cxp0d 26450	. . . . . . 7 ⊢ (((𝜑 ∧ 0 < 𝐴) ∧ 𝐵 = 1) → (𝐴↑_𝑐0) = 1)
41	37, 40	eqtrd 2771	. . . . . 6 ⊢ (((𝜑 ∧ 0 < 𝐴) ∧ 𝐵 = 1) → (𝐴↑_𝑐(1 − 𝐵)) = 1)
42		1le1 11847	. . . . . 6 ⊢ 1 ≤ 1
43	41, 42	eqbrtrdi 5187	. . . . 5 ⊢ (((𝜑 ∧ 0 < 𝐴) ∧ 𝐵 = 1) → (𝐴↑_𝑐(1 − 𝐵)) ≤ 1)
44		cxpaddlelem.5	. . . . . . 7 ⊢ (𝜑 → 𝐵 ≤ 1)
45		leloe 11305	. . . . . . . 8 ⊢ ((𝐵 ∈ ℝ ∧ 1 ∈ ℝ) → (𝐵 ≤ 1 ↔ (𝐵 < 1 ∨ 𝐵 = 1)))
46	5, 3, 45	sylancl 585	. . . . . . 7 ⊢ (𝜑 → (𝐵 ≤ 1 ↔ (𝐵 < 1 ∨ 𝐵 = 1)))
47	44, 46	mpbid 231	. . . . . 6 ⊢ (𝜑 → (𝐵 < 1 ∨ 𝐵 = 1))
48	47	adantr 480	. . . . 5 ⊢ ((𝜑 ∧ 0 < 𝐴) → (𝐵 < 1 ∨ 𝐵 = 1))
49	32, 43, 48	mpjaodan 956	. . . 4 ⊢ ((𝜑 ∧ 0 < 𝐴) → (𝐴↑_𝑐(1 − 𝐵)) ≤ 1)
50		lemul1a 12073	. . . 4 ⊢ ((((𝐴↑_𝑐(1 − 𝐵)) ∈ ℝ ∧ 1 ∈ ℝ ∧ ((𝐴↑_𝑐𝐵) ∈ ℝ ∧ 0 ≤ (𝐴↑_𝑐𝐵))) ∧ (𝐴↑_𝑐(1 − 𝐵)) ≤ 1) → ((𝐴↑_𝑐(1 − 𝐵)) · (𝐴↑_𝑐𝐵)) ≤ (1 · (𝐴↑_𝑐𝐵)))
51	9, 10, 15, 49, 50	syl31anc 1372	. . 3 ⊢ ((𝜑 ∧ 0 < 𝐴) → ((𝐴↑_𝑐(1 − 𝐵)) · (𝐴↑_𝑐𝐵)) ≤ (1 · (𝐴↑_𝑐𝐵)))
52		ax-1cn 11172	. . . . . . 7 ⊢ 1 ∈ ℂ
53	5	recnd 11247	. . . . . . 7 ⊢ (𝜑 → 𝐵 ∈ ℂ)
54		npcan 11474	. . . . . . 7 ⊢ ((1 ∈ ℂ ∧ 𝐵 ∈ ℂ) → ((1 − 𝐵) + 𝐵) = 1)
55	52, 53, 54	sylancr 586	. . . . . 6 ⊢ (𝜑 → ((1 − 𝐵) + 𝐵) = 1)
56	55	adantr 480	. . . . 5 ⊢ ((𝜑 ∧ 0 < 𝐴) → ((1 − 𝐵) + 𝐵) = 1)
57	56	oveq2d 7428	. . . 4 ⊢ ((𝜑 ∧ 0 < 𝐴) → (𝐴↑_𝑐((1 − 𝐵) + 𝐵)) = (𝐴↑_𝑐1))
58	38	adantr 480	. . . . 5 ⊢ ((𝜑 ∧ 0 < 𝐴) → 𝐴 ∈ ℂ)
59	1	anim1i 614	. . . . . . 7 ⊢ ((𝜑 ∧ 0 < 𝐴) → (𝐴 ∈ ℝ ∧ 0 < 𝐴))
60		elrp 12981	. . . . . . 7 ⊢ (𝐴 ∈ ℝ⁺ ↔ (𝐴 ∈ ℝ ∧ 0 < 𝐴))
61	59, 60	sylibr 233	. . . . . 6 ⊢ ((𝜑 ∧ 0 < 𝐴) → 𝐴 ∈ ℝ⁺)
62	61	rpne0d 13026	. . . . 5 ⊢ ((𝜑 ∧ 0 < 𝐴) → 𝐴 ≠ 0)
63	29	adantr 480	. . . . 5 ⊢ ((𝜑 ∧ 0 < 𝐴) → (1 − 𝐵) ∈ ℂ)
64	53	adantr 480	. . . . 5 ⊢ ((𝜑 ∧ 0 < 𝐴) → 𝐵 ∈ ℂ)
65	58, 62, 63, 64	cxpaddd 26462	. . . 4 ⊢ ((𝜑 ∧ 0 < 𝐴) → (𝐴↑_𝑐((1 − 𝐵) + 𝐵)) = ((𝐴↑_𝑐(1 − 𝐵)) · (𝐴↑_𝑐𝐵)))
66	38	cxp1d 26451	. . . . 5 ⊢ (𝜑 → (𝐴↑_𝑐1) = 𝐴)
67	66	adantr 480	. . . 4 ⊢ ((𝜑 ∧ 0 < 𝐴) → (𝐴↑_𝑐1) = 𝐴)
68	57, 65, 67	3eqtr3d 2779	. . 3 ⊢ ((𝜑 ∧ 0 < 𝐴) → ((𝐴↑_𝑐(1 − 𝐵)) · (𝐴↑_𝑐𝐵)) = 𝐴)
69	38, 53	cxpcld 26453	. . . . 5 ⊢ (𝜑 → (𝐴↑_𝑐𝐵) ∈ ℂ)
70	69	mullidd 11237	. . . 4 ⊢ (𝜑 → (1 · (𝐴↑_𝑐𝐵)) = (𝐴↑_𝑐𝐵))
71	70	adantr 480	. . 3 ⊢ ((𝜑 ∧ 0 < 𝐴) → (1 · (𝐴↑_𝑐𝐵)) = (𝐴↑_𝑐𝐵))
72	51, 68, 71	3brtr3d 5179	. 2 ⊢ ((𝜑 ∧ 0 < 𝐴) → 𝐴 ≤ (𝐴↑_𝑐𝐵))
73	1, 2, 5	cxpge0d 26469	. . . 4 ⊢ (𝜑 → 0 ≤ (𝐴↑_𝑐𝐵))
74		breq1 5151	. . . 4 ⊢ (0 = 𝐴 → (0 ≤ (𝐴↑_𝑐𝐵) ↔ 𝐴 ≤ (𝐴↑_𝑐𝐵)))
75	73, 74	syl5ibcom 244	. . 3 ⊢ (𝜑 → (0 = 𝐴 → 𝐴 ≤ (𝐴↑_𝑐𝐵)))
76	75	imp 406	. 2 ⊢ ((𝜑 ∧ 0 = 𝐴) → 𝐴 ≤ (𝐴↑_𝑐𝐵))
77		0re 11221	. . . 4 ⊢ 0 ∈ ℝ
78		leloe 11305	. . . 4 ⊢ ((0 ∈ ℝ ∧ 𝐴 ∈ ℝ) → (0 ≤ 𝐴 ↔ (0 < 𝐴 ∨ 0 = 𝐴)))
79	77, 1, 78	sylancr 586	. . 3 ⊢ (𝜑 → (0 ≤ 𝐴 ↔ (0 < 𝐴 ∨ 0 = 𝐴)))
80	2, 79	mpbid 231	. 2 ⊢ (𝜑 → (0 < 𝐴 ∨ 0 = 𝐴))
81	72, 76, 80	mpjaodan 956	1 ⊢ (𝜑 → 𝐴 ≤ (𝐴↑_𝑐𝐵))

Colors of variables: wff setvar class

Syntax hints: → wi 4 ↔ wb 205 ∧ wa 395 ∨ wo 844 ∧ w3a 1086 = wceq 1540 ∈ wcel 2105 class class class wbr 5148 (class class class)co 7412 ℂcc 11112 ℝcr 11113 0cc0 11114 1c1 11115 + caddc 11117 · cmul 11119 < clt 11253 ≤ cle 11254 − cmin 11449 ℝ⁺crp 12979 ↑_𝑐ccxp 26301

This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1912 ax-6 1970 ax-7 2010 ax-8 2107 ax-9 2115 ax-10 2136 ax-11 2153 ax-12 2170 ax-ext 2702 ax-rep 5285 ax-sep 5299 ax-nul 5306 ax-pow 5363 ax-pr 5427 ax-un 7729 ax-inf2 9640 ax-cnex 11170 ax-resscn 11171 ax-1cn 11172 ax-icn 11173 ax-addcl 11174 ax-addrcl 11175 ax-mulcl 11176 ax-mulrcl 11177 ax-mulcom 11178 ax-addass 11179 ax-mulass 11180 ax-distr 11181 ax-i2m1 11182 ax-1ne0 11183 ax-1rid 11184 ax-rnegex 11185 ax-rrecex 11186 ax-cnre 11187 ax-pre-lttri 11188 ax-pre-lttrn 11189 ax-pre-ltadd 11190 ax-pre-mulgt0 11191 ax-pre-sup 11192 ax-addf 11193

This theorem depends on definitions: df-bi 206 df-an 396 df-or 845 df-3or 1087 df-3an 1088 df-tru 1543 df-fal 1553 df-ex 1781 df-nf 1785 df-sb 2067 df-mo 2533 df-eu 2562 df-clab 2709 df-cleq 2723 df-clel 2809 df-nfc 2884 df-ne 2940 df-nel 3046 df-ral 3061 df-rex 3070 df-rmo 3375 df-reu 3376 df-rab 3432 df-v 3475 df-sbc 3778 df-csb 3894 df-dif 3951 df-un 3953 df-in 3955 df-ss 3965 df-pss 3967 df-nul 4323 df-if 4529 df-pw 4604 df-sn 4629 df-pr 4631 df-tp 4633 df-op 4635 df-uni 4909 df-int 4951 df-iun 4999 df-iin 5000 df-br 5149 df-opab 5211 df-mpt 5232 df-tr 5266 df-id 5574 df-eprel 5580 df-po 5588 df-so 5589 df-fr 5631 df-se 5632 df-we 5633 df-xp 5682 df-rel 5683 df-cnv 5684 df-co 5685 df-dm 5686 df-rn 5687 df-res 5688 df-ima 5689 df-pred 6300 df-ord 6367 df-on 6368 df-lim 6369 df-suc 6370 df-iota 6495 df-fun 6545 df-fn 6546 df-f 6547 df-f1 6548 df-fo 6549 df-f1o 6550 df-fv 6551 df-isom 6552 df-riota 7368 df-ov 7415 df-oprab 7416 df-mpo 7417 df-of 7674 df-om 7860 df-1st 7979 df-2nd 7980 df-supp 8151 df-frecs 8270 df-wrecs 8301 df-recs 8375 df-rdg 8414 df-1o 8470 df-2o 8471 df-er 8707 df-map 8826 df-pm 8827 df-ixp 8896 df-en 8944 df-dom 8945 df-sdom 8946 df-fin 8947 df-fsupp 9366 df-fi 9410 df-sup 9441 df-inf 9442 df-oi 9509 df-card 9938 df-pnf 11255 df-mnf 11256 df-xr 11257 df-ltxr 11258 df-le 11259 df-sub 11451 df-neg 11452 df-div 11877 df-nn 12218 df-2 12280 df-3 12281 df-4 12282 df-5 12283 df-6 12284 df-7 12285 df-8 12286 df-9 12287 df-n0 12478 df-z 12564 df-dec 12683 df-uz 12828 df-q 12938 df-rp 12980 df-xneg 13097 df-xadd 13098 df-xmul 13099 df-ioo 13333 df-ioc 13334 df-ico 13335 df-icc 13336 df-fz 13490 df-fzo 13633 df-fl 13762 df-mod 13840 df-seq 13972 df-exp 14033 df-fac 14239 df-bc 14268 df-hash 14296 df-shft 15019 df-cj 15051 df-re 15052 df-im 15053 df-sqrt 15187 df-abs 15188 df-limsup 15420 df-clim 15437 df-rlim 15438 df-sum 15638 df-ef 16016 df-sin 16018 df-cos 16019 df-pi 16021 df-struct 17085 df-sets 17102 df-slot 17120 df-ndx 17132 df-base 17150 df-ress 17179 df-plusg 17215 df-mulr 17216 df-starv 17217 df-sca 17218 df-vsca 17219 df-ip 17220 df-tset 17221 df-ple 17222 df-ds 17224 df-unif 17225 df-hom 17226 df-cco 17227 df-rest 17373 df-topn 17374 df-0g 17392 df-gsum 17393 df-topgen 17394 df-pt 17395 df-prds 17398 df-xrs 17453 df-qtop 17458 df-imas 17459 df-xps 17461 df-mre 17535 df-mrc 17536 df-acs 17538 df-mgm 18566 df-sgrp 18645 df-mnd 18661 df-submnd 18707 df-mulg 18988 df-cntz 19223 df-cmn 19692 df-psmet 21137 df-xmet 21138 df-met 21139 df-bl 21140 df-mopn 21141 df-fbas 21142 df-fg 21143 df-cnfld 21146 df-top 22617 df-topon 22634 df-topsp 22656 df-bases 22670 df-cld 22744 df-ntr 22745 df-cls 22746 df-nei 22823 df-lp 22861 df-perf 22862 df-cn 22952 df-cnp 22953 df-haus 23040 df-tx 23287 df-hmeo 23480 df-fil 23571 df-fm 23663 df-flim 23664 df-flf 23665 df-xms 24047 df-ms 24048 df-tms 24049 df-cncf 24619 df-limc 25616 df-dv 25617 df-log 26302 df-cxp 26303

This theorem is referenced by: cxpaddle 26497

W3C validator