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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 11200 | . . . . . 6 ⊢ 0 ∈ V | |
| 2 | 1 | fconst 6765 | . . . . 5 ⊢ (𝐼 × {0}):𝐼⟶{0} |
| 3 | 2 | a1i 11 | . . . 4 ⊢ (𝐼 ∈ 𝑉 → (𝐼 × {0}):𝐼⟶{0}) |
| 4 | 0re 11210 | . . . . . 6 ⊢ 0 ∈ ℝ | |
| 5 | snssg 4754 | . . . . . . 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 6724 | . . 3 ⊢ (𝐼 ∈ 𝑉 → (𝐼 × {0}):𝐼⟶ℝ) |
| 10 | reex 11191 | . . . . 5 ⊢ ℝ ∈ V | |
| 11 | 10 | a1i 11 | . . . 4 ⊢ (𝐼 ∈ 𝑉 → ℝ ∈ V) |
| 12 | id 23 | . . . 4 ⊢ (𝐼 ∈ 𝑉 → 𝐼 ∈ 𝑉) | |
| 13 | 11, 12 | elmapd 8837 | . . 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 2886 | 1 ⊢ (𝐼 ∈ 𝑉 → 0 ∈ 𝑃) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ↔ wb 209 = wceq 1567 ∈ wcel 2149 Vcvv 3463 ⊆ wss 3913 {csn 4594 × cxp 5660 ⟶wf 6533 (class class class)co 7411 ↑m cmap 8824 ℝcr 11099 0cc0 11100 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1822 ax-4 1836 ax-5 1937 ax-6 1994 ax-7 2035 ax-8 2151 ax-9 2159 ax-10 2182 ax-11 2198 ax-12 2219 ax-ext 2741 ax-sep 5261 ax-pow 5337 ax-pr 5405 ax-un 7733 ax-cnex 11156 ax-resscn 11157 ax-1cn 11158 ax-icn 11159 ax-addcl 11160 ax-addrcl 11161 ax-mulcl 11162 ax-i2m1 11168 ax-rnegex 11171 ax-cnre 11173 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3an 1103 df-tru 1570 df-fal 1580 df-ex 1807 df-nf 1811 df-sb 2098 df-mo 2573 df-eu 2603 df-clab 2748 df-cleq 2761 df-clel 2844 df-nfc 2918 df-ne 2965 df-ral 3086 df-rex 3096 df-rab 3424 df-v 3465 df-sbc 3754 df-dif 3916 df-un 3918 df-in 3920 df-ss 3930 df-nul 4295 df-if 4493 df-pw 4569 df-sn 4595 df-pr 4597 df-op 4601 df-uni 4877 df-br 5114 df-opab 5178 df-mpt 5197 df-id 5557 df-xp 5668 df-rel 5669 df-cnv 5670 df-co 5671 df-dm 5672 df-rn 5673 df-iota 6493 df-fun 6539 df-fn 6540 df-f 6541 df-fv 6545 df-ov 7414 df-oprab 7415 df-mpo 7416 df-map 8826 |
| This theorem is referenced by: ehl2eudisval0 49390 2sphere0 49415 |
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