hoissrrn2 - Mathbox for Glauco Siliprandi

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Theorem hoissrrn2 42854

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 7183	. . . . 5 ⊢ (𝐴[,)𝐵) ∈ V
2	1	rgenw 3150	. . . 4 ⊢ ∀𝑘 ∈ 𝑋 (𝐴[,)𝐵) ∈ V
3		ixpssmapg 8486	. . . 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 10622	. . . 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 12811	. . . . . . 7 ⊢ ((𝐴 ∈ ℝ ∧ 𝐵 ∈ ℝ^*) → (𝐴[,)𝐵) ⊆ ℝ)
12	9, 10, 11	syl2anc 586	. . . . . 6 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝑋) → (𝐴[,)𝐵) ⊆ ℝ)
13	12	ex 415	. . . . 5 ⊢ (𝜑 → (𝑘 ∈ 𝑋 → (𝐴[,)𝐵) ⊆ ℝ))
14	8, 13	ralrimi 3216	. . . 4 ⊢ (𝜑 → ∀𝑘 ∈ 𝑋 (𝐴[,)𝐵) ⊆ ℝ)
15		iunss 4961	. . . 4 ⊢ (∪ 𝑘 ∈ 𝑋 (𝐴[,)𝐵) ⊆ ℝ ↔ ∀𝑘 ∈ 𝑋 (𝐴[,)𝐵) ⊆ ℝ)
16	14, 15	sylibr 236	. . 3 ⊢ (𝜑 → ∪ 𝑘 ∈ 𝑋 (𝐴[,)𝐵) ⊆ ℝ)
17		mapss 8447	. . 3 ⊢ ((ℝ ∈ V ∧ ∪ 𝑘 ∈ 𝑋 (𝐴[,)𝐵) ⊆ ℝ) → (∪ 𝑘 ∈ 𝑋 (𝐴[,)𝐵) ↑_m 𝑋) ⊆ (ℝ ↑_m 𝑋))
18	7, 16, 17	syl2anc 586	. 2 ⊢ (𝜑 → (∪ 𝑘 ∈ 𝑋 (𝐴[,)𝐵) ↑_m 𝑋) ⊆ (ℝ ↑_m 𝑋))
19	5, 18	sstrd 3976	1 ⊢ (𝜑 → X𝑘 ∈ 𝑋 (𝐴[,)𝐵) ⊆ (ℝ ↑_m 𝑋))

Colors of variables: wff setvar class

Syntax hints: → wi 4 ∧ wa 398 Ⅎwnf 1780 ∈ wcel 2110 ∀wral 3138 Vcvv 3494 ⊆ wss 3935 ∪ ciun 4911 (class class class)co 7150 ↑_m cmap 8400 Xcixp 8455 ℝcr 10530 ℝ^*cxr 10668 [,)cico 12734

This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1792 ax-4 1806 ax-5 1907 ax-6 1966 ax-7 2011 ax-8 2112 ax-9 2120 ax-10 2141 ax-11 2157 ax-12 2173 ax-ext 2793 ax-rep 5182 ax-sep 5195 ax-nul 5202 ax-pow 5258 ax-pr 5321 ax-un 7455 ax-cnex 10587 ax-resscn 10588 ax-pre-lttri 10605 ax-pre-lttrn 10606

This theorem depends on definitions: df-bi 209 df-an 399 df-or 844 df-3or 1084 df-3an 1085 df-tru 1536 df-ex 1777 df-nf 1781 df-sb 2066 df-mo 2618 df-eu 2650 df-clab 2800 df-cleq 2814 df-clel 2893 df-nfc 2963 df-ne 3017 df-nel 3124 df-ral 3143 df-rex 3144 df-reu 3145 df-rab 3147 df-v 3496 df-sbc 3772 df-csb 3883 df-dif 3938 df-un 3940 df-in 3942 df-ss 3951 df-nul 4291 df-if 4467 df-pw 4540 df-sn 4561 df-pr 4563 df-op 4567 df-uni 4832 df-iun 4913 df-br 5059 df-opab 5121 df-mpt 5139 df-id 5454 df-po 5468 df-so 5469 df-xp 5555 df-rel 5556 df-cnv 5557 df-co 5558 df-dm 5559 df-rn 5560 df-res 5561 df-ima 5562 df-iota 6308 df-fun 6351 df-fn 6352 df-f 6353 df-f1 6354 df-fo 6355 df-f1o 6356 df-fv 6357 df-ov 7153 df-oprab 7154 df-mpo 7155 df-1st 7683 df-2nd 7684 df-er 8283 df-map 8402 df-ixp 8456 df-en 8504 df-dom 8505 df-sdom 8506 df-pnf 10671 df-mnf 10672 df-xr 10673 df-ltxr 10674 df-le 10675 df-ico 12738

This theorem is referenced by: ovnhoilem1 42877 ovnhoilem2 42878 ovnhoi 42879 hoiqssbllem2 42899

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