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| Mirrors > Home > MPE Home > Th. List > rrx0el | Structured version Visualization version GIF version | ||
| Description: The zero ("origin") in a generalized real Euclidean space is an element of its base set. (Contributed by AV, 11-Feb-2023.) |
| Ref | Expression |
|---|---|
| rrx0el.0 | ⊢ 0 = (𝐼 × {0}) |
| rrx0el.p | ⊢ 𝑃 = (ℝ ↑m 𝐼) |
| Ref | Expression |
|---|---|
| rrx0el | ⊢ (𝐼 ∈ 𝑉 → 0 ∈ 𝑃) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | c0ex 11339 | . . . . . 6 ⊢ 0 ∈ V | |
| 2 | 1 | fconst 6798 | . . . . 5 ⊢ (𝐼 × {0}):𝐼⟶{0} |
| 3 | 2 | a1i 11 | . . . 4 ⊢ (𝐼 ∈ 𝑉 → (𝐼 × {0}):𝐼⟶{0}) |
| 4 | 0re 11349 | . . . . . 6 ⊢ 0 ∈ ℝ | |
| 5 | snssg 4746 | . . . . . . 7 ⊢ (0 ∈ ℝ → (0 ∈ ℝ ↔ {0} ⊆ ℝ)) | |
| 6 | 4, 5 | ax-mp 5 | . . . . . 6 ⊢ (0 ∈ ℝ ↔ {0} ⊆ ℝ) |
| 7 | 4, 6 | mpbi 233 | . . . . 5 ⊢ {0} ⊆ ℝ |
| 8 | 7 | a1i 11 | . . . 4 ⊢ (𝐼 ∈ 𝑉 → {0} ⊆ ℝ) |
| 9 | 3, 8 | fssd 6757 | . . 3 ⊢ (𝐼 ∈ 𝑉 → (𝐼 × {0}):𝐼⟶ℝ) |
| 10 | reex 11330 | . . . . 5 ⊢ ℝ ∈ V | |
| 11 | 10 | a1i 11 | . . . 4 ⊢ (𝐼 ∈ 𝑉 → ℝ ∈ V) |
| 12 | id 23 | . . . 4 ⊢ (𝐼 ∈ 𝑉 → 𝐼 ∈ 𝑉) | |
| 13 | 11, 12 | elmapd 8898 | . . 3 ⊢ (𝐼 ∈ 𝑉 → ((𝐼 × {0}) ∈ (ℝ ↑m 𝐼) ↔ (𝐼 × {0}):𝐼⟶ℝ)) |
| 14 | 9, 13 | mpbird 260 | . 2 ⊢ (𝐼 ∈ 𝑉 → (𝐼 × {0}) ∈ (ℝ ↑m 𝐼)) |
| 15 | rrx0el.0 | . 2 ⊢ 0 = (𝐼 × {0}) | |
| 16 | rrx0el.p | . 2 ⊢ 𝑃 = (ℝ ↑m 𝐼) | |
| 17 | 14, 15, 16 | 3eltr4g 2881 | 1 ⊢ (𝐼 ∈ 𝑉 → 0 ∈ 𝑃) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ↔ wb 209 = wceq 1570 ∈ wcel 2147 Vcvv 3454 ⊆ wss 3900 {csn 4588 × cxp 5656 ⟶wf 6562 (class class class)co 7451 ↑m cmap 8885 ℝcr 11238 0cc0 11239 |
| 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-sep 5255 ax-pow 5334 ax-pr 5398 ax-un 7783 ax-cnex 11295 ax-resscn 11296 ax-1cn 11297 ax-icn 11298 ax-addcl 11299 ax-addrcl 11300 ax-mulcl 11301 ax-i2m1 11307 ax-rnegex 11310 ax-cnre 11312 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 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-ral 3081 df-rex 3091 df-rab 3417 df-v 3456 df-sbc 3743 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-br 5109 df-opab 5174 df-mpt 5193 df-id 5553 df-xp 5664 df-rel 5665 df-cnv 5666 df-co 5667 df-dm 5668 df-rn 5669 df-iota 6520 df-fun 6568 df-fn 6569 df-f 6570 df-fv 6574 df-ov 7454 df-oprab 7455 df-mpo 7456 df-map 8887 |
| This theorem is used by: ehl2eudisval0 50169 |
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