hoissrrn2 - Mathbox for Glauco Siliprandi

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Theorem hoissrrn2 45280

Description: A half-open interval is a subset of R^n . (Contributed by Glauco Siliprandi, 21-Nov-2020.)

**Hypotheses**
Ref	Expression
hoissrrn2.kph	⊢ Ⅎ𝑘𝜑
hoissrrn2.a	⊢ ((𝜑 ∧ 𝑘 ∈ 𝑋) → 𝐴 ∈ ℝ)
hoissrrn2.b	⊢ ((𝜑 ∧ 𝑘 ∈ 𝑋) → 𝐵 ∈ ℝ^*)

**Assertion**
Ref	Expression
hoissrrn2	⊢ (𝜑 → X𝑘 ∈ 𝑋 (𝐴[,)𝐵) ⊆ (ℝ ↑_m 𝑋))

Distinct variable group: 𝑘,𝑋 Allowed substitution hints: 𝜑(𝑘) 𝐴(𝑘) 𝐵(𝑘)

**Proof of Theorem hoissrrn2**
Step	Hyp	Ref	Expression
1		ovex 7438	. . . . 5 ⊢ (𝐴[,)𝐵) ∈ V
2	1	rgenw 3065	. . . 4 ⊢ ∀𝑘 ∈ 𝑋 (𝐴[,)𝐵) ∈ V
3		ixpssmapg 8918	. . . 4 ⊢ (∀𝑘 ∈ 𝑋 (𝐴[,)𝐵) ∈ V → X𝑘 ∈ 𝑋 (𝐴[,)𝐵) ⊆ (∪ 𝑘 ∈ 𝑋 (𝐴[,)𝐵) ↑_m 𝑋))
4	2, 3	ax-mp 5	. . 3 ⊢ X𝑘 ∈ 𝑋 (𝐴[,)𝐵) ⊆ (∪ 𝑘 ∈ 𝑋 (𝐴[,)𝐵) ↑_m 𝑋)
5	4	a1i 11	. 2 ⊢ (𝜑 → X𝑘 ∈ 𝑋 (𝐴[,)𝐵) ⊆ (∪ 𝑘 ∈ 𝑋 (𝐴[,)𝐵) ↑_m 𝑋))
6		reex 11197	. . . 4 ⊢ ℝ ∈ V
7	6	a1i 11	. . 3 ⊢ (𝜑 → ℝ ∈ V)
8		hoissrrn2.kph	. . . . 5 ⊢ Ⅎ𝑘𝜑
9		hoissrrn2.a	. . . . . . 7 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝑋) → 𝐴 ∈ ℝ)
10		hoissrrn2.b	. . . . . . 7 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝑋) → 𝐵 ∈ ℝ^*)
11		icossre 13401	. . . . . . 7 ⊢ ((𝐴 ∈ ℝ ∧ 𝐵 ∈ ℝ^*) → (𝐴[,)𝐵) ⊆ ℝ)
12	9, 10, 11	syl2anc 584	. . . . . 6 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝑋) → (𝐴[,)𝐵) ⊆ ℝ)
13	12	ex 413	. . . . 5 ⊢ (𝜑 → (𝑘 ∈ 𝑋 → (𝐴[,)𝐵) ⊆ ℝ))
14	8, 13	ralrimi 3254	. . . 4 ⊢ (𝜑 → ∀𝑘 ∈ 𝑋 (𝐴[,)𝐵) ⊆ ℝ)
15		iunss 5047	. . . 4 ⊢ (∪ 𝑘 ∈ 𝑋 (𝐴[,)𝐵) ⊆ ℝ ↔ ∀𝑘 ∈ 𝑋 (𝐴[,)𝐵) ⊆ ℝ)
16	14, 15	sylibr 233	. . 3 ⊢ (𝜑 → ∪ 𝑘 ∈ 𝑋 (𝐴[,)𝐵) ⊆ ℝ)
17		mapss 8879	. . 3 ⊢ ((ℝ ∈ V ∧ ∪ 𝑘 ∈ 𝑋 (𝐴[,)𝐵) ⊆ ℝ) → (∪ 𝑘 ∈ 𝑋 (𝐴[,)𝐵) ↑_m 𝑋) ⊆ (ℝ ↑_m 𝑋))
18	7, 16, 17	syl2anc 584	. 2 ⊢ (𝜑 → (∪ 𝑘 ∈ 𝑋 (𝐴[,)𝐵) ↑_m 𝑋) ⊆ (ℝ ↑_m 𝑋))
19	5, 18	sstrd 3991	1 ⊢ (𝜑 → X𝑘 ∈ 𝑋 (𝐴[,)𝐵) ⊆ (ℝ ↑_m 𝑋))

Colors of variables: wff setvar class

Syntax hints: → wi 4 ∧ wa 396 Ⅎwnf 1785 ∈ wcel 2106 ∀wral 3061 Vcvv 3474 ⊆ wss 3947 ∪ ciun 4996 (class class class)co 7405 ↑_m cmap 8816 Xcixp 8887 ℝcr 11105 ℝ^*cxr 11243 [,)cico 13322

This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 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 2703 ax-rep 5284 ax-sep 5298 ax-nul 5305 ax-pow 5362 ax-pr 5426 ax-un 7721 ax-cnex 11162 ax-resscn 11163 ax-pre-lttri 11180 ax-pre-lttrn 11181

This theorem depends on definitions: df-bi 206 df-an 397 df-or 846 df-3or 1088 df-3an 1089 df-tru 1544 df-fal 1554 df-ex 1782 df-nf 1786 df-sb 2068 df-mo 2534 df-eu 2563 df-clab 2710 df-cleq 2724 df-clel 2810 df-nfc 2885 df-ne 2941 df-nel 3047 df-ral 3062 df-rex 3071 df-rab 3433 df-v 3476 df-sbc 3777 df-csb 3893 df-dif 3950 df-un 3952 df-in 3954 df-ss 3964 df-nul 4322 df-if 4528 df-pw 4603 df-sn 4628 df-pr 4630 df-op 4634 df-uni 4908 df-iun 4998 df-br 5148 df-opab 5210 df-mpt 5231 df-id 5573 df-po 5587 df-so 5588 df-xp 5681 df-rel 5682 df-cnv 5683 df-co 5684 df-dm 5685 df-rn 5686 df-res 5687 df-ima 5688 df-iota 6492 df-fun 6542 df-fn 6543 df-f 6544 df-f1 6545 df-fo 6546 df-f1o 6547 df-fv 6548 df-ov 7408 df-oprab 7409 df-mpo 7410 df-1st 7971 df-2nd 7972 df-er 8699 df-map 8818 df-ixp 8888 df-en 8936 df-dom 8937 df-sdom 8938 df-pnf 11246 df-mnf 11247 df-xr 11248 df-ltxr 11249 df-le 11250 df-ico 13326

This theorem is referenced by: ovnhoilem1 45303 ovnhoilem2 45304 ovnhoi 45305 hoiqssbllem2 45325

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