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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 6906 | . . . . 5 ⊢ (([,) ∘ 𝐼)‘𝑘) ∈ V | |
| 2 | 1 | rgenw 3083 | . . . 4 ⊢ ∀𝑘 ∈ 𝑋 (([,) ∘ 𝐼)‘𝑘) ∈ V |
| 3 | ixpssmapg 8967 | . . . 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 11301 | . . . 4 ⊢ ℝ ∈ V | |
| 7 | 6 | a1i 11 | . . 3 ⊢ (𝜑 → ℝ ∈ V) |
| 8 | hoissrrn.1 | . . . . . 6 ⊢ (𝜑 → 𝐼:𝑋⟶(ℝ × ℝ)) | |
| 9 | 8 | hoissre 47693 | . . . . 5 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝑋) → (([,) ∘ 𝐼)‘𝑘) ⊆ ℝ) |
| 10 | 9 | ralrimiva 3157 | . . . 4 ⊢ (𝜑 → ∀𝑘 ∈ 𝑋 (([,) ∘ 𝐼)‘𝑘) ⊆ ℝ) |
| 11 | iunss 5005 | . . . 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 8928 | . . 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 3922 | 1 ⊢ (𝜑 → X𝑘 ∈ 𝑋 (([,) ∘ 𝐼)‘𝑘) ⊆ (ℝ ↑m 𝑋)) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∈ wcel 2146 ∀wral 3079 Vcvv 3453 ⊆ wss 3899 ∪ ciun 4953 × cxp 5652 ∘ ccom 5658 ⟶wf 6542 ‘cfv 6546 (class class class)co 7427 ↑m cmap 8858 Xcixp 8936 ℝcr 11209 [,)cico 13488 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1827 ax-4 1841 ax-5 1944 ax-6 2001 ax-7 2042 ax-8 2148 ax-9 2156 ax-10 2179 ax-11 2196 ax-12 2215 ax-ext 2735 ax-rep 5234 ax-sep 5251 ax-nul 5262 ax-pow 5330 ax-pr 5394 ax-un 7758 ax-cnex 11266 ax-resscn 11267 ax-pre-lttri 11284 ax-pre-lttrn 11285 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1572 df-fal 1582 df-ex 1812 df-nf 1816 df-sb 2101 df-mo 2567 df-eu 2597 df-clab 2742 df-cleq 2755 df-clel 2838 df-nfc 2912 df-ne 2959 df-nel 3065 df-ral 3080 df-rex 3090 df-rab 3416 df-v 3455 df-sbc 3742 df-csb 3851 df-ss 3900 df-dif 4049 df-in 4093 df-un 4153 df-nul 4281 df-if 4485 df-pw 4561 df-sn 4588 df-pr 4590 df-op 4838 df-uni 4870 df-iun 4955 df-br 5106 df-opab 5170 df-mpt 5189 df-id 5549 df-po 5562 df-so 5563 df-xp 5660 df-rel 5661 df-cnv 5662 df-co 5663 df-dm 5664 df-rn 5665 df-res 5666 df-ima 5667 df-iota 6500 df-fun 6548 df-fn 6549 df-f 6550 df-f1 6551 df-fo 6552 df-f1o 6553 df-fv 6554 df-ov 7430 df-oprab 7431 df-mpo 7432 df-1st 8008 df-2nd 8009 df-er 8728 df-map 8860 df-ixp 8937 df-en 8985 df-dom 8986 df-sdom 8987 df-pnf 11355 df-mnf 11356 df-xr 11357 df-ltxr 11358 df-le 11359 df-ico 13492 |
| This theorem is used by: ovnlecvr 47707 |
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