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| Mirrors > Home > MPE Home > Th. List > Mathboxes > hoissrrn | Structured version Visualization version GIF version | ||
| Description: A half-open interval is a subset of R^n . (Contributed by Glauco Siliprandi, 11-Oct-2020.) |
| Ref | Expression |
|---|---|
| hoissrrn.1 | ⊢ (𝜑 → 𝐼:𝑋⟶(ℝ × ℝ)) |
| Ref | Expression |
|---|---|
| hoissrrn | ⊢ (𝜑 → X𝑘 ∈ 𝑋 (([,) ∘ 𝐼)‘𝑘) ⊆ (ℝ ↑m 𝑋)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | fvex 6929 | . . . . 5 ⊢ (([,) ∘ 𝐼)‘𝑘) ∈ V | |
| 2 | 1 | rgenw 3084 | . . . 4 ⊢ ∀𝑘 ∈ 𝑋 (([,) ∘ 𝐼)‘𝑘) ∈ V |
| 3 | ixpssmapg 8994 | . . . 4 ⊢ (∀𝑘 ∈ 𝑋 (([,) ∘ 𝐼)‘𝑘) ∈ V → X𝑘 ∈ 𝑋 (([,) ∘ 𝐼)‘𝑘) ⊆ (∪ 𝑘 ∈ 𝑋 (([,) ∘ 𝐼)‘𝑘) ↑m 𝑋)) | |
| 4 | 2, 3 | ax-mp 5 | . . 3 ⊢ X𝑘 ∈ 𝑋 (([,) ∘ 𝐼)‘𝑘) ⊆ (∪ 𝑘 ∈ 𝑋 (([,) ∘ 𝐼)‘𝑘) ↑m 𝑋) |
| 5 | 4 | a1i 11 | . 2 ⊢ (𝜑 → X𝑘 ∈ 𝑋 (([,) ∘ 𝐼)‘𝑘) ⊆ (∪ 𝑘 ∈ 𝑋 (([,) ∘ 𝐼)‘𝑘) ↑m 𝑋)) |
| 6 | reex 11330 | . . . 4 ⊢ ℝ ∈ V | |
| 7 | 6 | a1i 11 | . . 3 ⊢ (𝜑 → ℝ ∈ V) |
| 8 | hoissrrn.1 | . . . . . 6 ⊢ (𝜑 → 𝐼:𝑋⟶(ℝ × ℝ)) | |
| 9 | 8 | hoissre 47827 | . . . . 5 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝑋) → (([,) ∘ 𝐼)‘𝑘) ⊆ ℝ) |
| 10 | 9 | ralrimiva 3158 | . . . 4 ⊢ (𝜑 → ∀𝑘 ∈ 𝑋 (([,) ∘ 𝐼)‘𝑘) ⊆ ℝ) |
| 11 | iunss 5008 | . . . 4 ⊢ (∪ 𝑘 ∈ 𝑋 (([,) ∘ 𝐼)‘𝑘) ⊆ ℝ ↔ ∀𝑘 ∈ 𝑋 (([,) ∘ 𝐼)‘𝑘) ⊆ ℝ) | |
| 12 | 10, 11 | sylibr 237 | . . 3 ⊢ (𝜑 → ∪ 𝑘 ∈ 𝑋 (([,) ∘ 𝐼)‘𝑘) ⊆ ℝ) |
| 13 | mapss 8955 | . . 3 ⊢ ((ℝ ∈ V ∧ ∪ 𝑘 ∈ 𝑋 (([,) ∘ 𝐼)‘𝑘) ⊆ ℝ) → (∪ 𝑘 ∈ 𝑋 (([,) ∘ 𝐼)‘𝑘) ↑m 𝑋) ⊆ (ℝ ↑m 𝑋)) | |
| 14 | 7, 12, 13 | syl2anc 596 | . 2 ⊢ (𝜑 → (∪ 𝑘 ∈ 𝑋 (([,) ∘ 𝐼)‘𝑘) ↑m 𝑋) ⊆ (ℝ ↑m 𝑋)) |
| 15 | 5, 14 | sstrd 3923 | 1 ⊢ (𝜑 → X𝑘 ∈ 𝑋 (([,) ∘ 𝐼)‘𝑘) ⊆ (ℝ ↑m 𝑋)) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∈ wcel 2147 ∀wral 3080 Vcvv 3454 ⊆ wss 3900 ∪ ciun 4956 × cxp 5656 ∘ ccom 5662 ⟶wf 6562 ‘cfv 6566 (class class class)co 7451 ↑m cmap 8885 Xcixp 8963 ℝcr 11238 [,)cico 13518 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1945 ax-6 2002 ax-7 2043 ax-8 2149 ax-9 2157 ax-10 2180 ax-11 2197 ax-12 2216 ax-ext 2735 ax-rep 5238 ax-sep 5255 ax-nul 5266 ax-pow 5334 ax-pr 5398 ax-un 7783 ax-cnex 11295 ax-resscn 11296 ax-pre-lttri 11313 ax-pre-lttrn 11314 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2102 df-mo 2567 df-eu 2597 df-clab 2742 df-cleq 2755 df-clel 2839 df-nfc 2913 df-ne 2960 df-nel 3066 df-ral 3081 df-rex 3091 df-rab 3417 df-v 3456 df-sbc 3743 df-csb 3852 df-ss 3901 df-dif 4050 df-in 4094 df-un 4154 df-nul 4282 df-if 4486 df-pw 4562 df-sn 4589 df-pr 4591 df-op 4841 df-uni 4873 df-iun 4958 df-br 5109 df-opab 5174 df-mpt 5193 df-id 5553 df-po 5566 df-so 5567 df-xp 5664 df-rel 5665 df-cnv 5666 df-co 5667 df-dm 5668 df-rn 5669 df-res 5670 df-ima 5671 df-iota 6520 df-fun 6568 df-fn 6569 df-f 6570 df-f1 6571 df-fo 6572 df-f1o 6573 df-fv 6574 df-ov 7454 df-oprab 7455 df-mpo 7456 df-1st 8035 df-2nd 8036 df-er 8755 df-map 8887 df-ixp 8964 df-en 9012 df-dom 9013 df-sdom 9014 df-pnf 11384 df-mnf 11385 df-xr 11386 df-ltxr 11387 df-le 11388 df-ico 13522 |
| This theorem is used by: ovnlecvr 47841 |
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