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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 11173 | . . . . . 6 ⊢ 0 ∈ V | |
| 2 | 1 | fconst 6750 | . . . . 5 ⊢ (𝐼 × {0}):𝐼⟶{0} |
| 3 | 2 | a1i 11 | . . . 4 ⊢ (𝐼 ∈ 𝑉 → (𝐼 × {0}):𝐼⟶{0}) |
| 4 | 0re 11183 | . . . . . 6 ⊢ 0 ∈ ℝ | |
| 5 | snssg 4742 | . . . . . . 7 ⊢ (0 ∈ ℝ → (0 ∈ ℝ ↔ {0} ⊆ ℝ)) | |
| 6 | 4, 5 | ax-mp 5 | . . . . . 6 ⊢ (0 ∈ ℝ ↔ {0} ⊆ ℝ) |
| 7 | 4, 6 | mpbi 232 | . . . . 5 ⊢ {0} ⊆ ℝ |
| 8 | 7 | a1i 11 | . . . 4 ⊢ (𝐼 ∈ 𝑉 → {0} ⊆ ℝ) |
| 9 | 3, 8 | fssd 6709 | . . 3 ⊢ (𝐼 ∈ 𝑉 → (𝐼 × {0}):𝐼⟶ℝ) |
| 10 | reex 11164 | . . . . 5 ⊢ ℝ ∈ V | |
| 11 | 10 | a1i 11 | . . . 4 ⊢ (𝐼 ∈ 𝑉 → ℝ ∈ V) |
| 12 | id 22 | . . . 4 ⊢ (𝐼 ∈ 𝑉 → 𝐼 ∈ 𝑉) | |
| 13 | 11, 12 | elmapd 8821 | . . 3 ⊢ (𝐼 ∈ 𝑉 → ((𝐼 × {0}) ∈ (ℝ ↑m 𝐼) ↔ (𝐼 × {0}):𝐼⟶ℝ)) |
| 14 | 9, 13 | mpbird 259 | . 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 2879 | 1 ⊢ (𝐼 ∈ 𝑉 → 0 ∈ 𝑃) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ↔ wb 208 = wceq 1560 ∈ wcel 2142 Vcvv 3454 ⊆ wss 3904 {csn 4582 × cxp 5645 ⟶wf 6517 (class class class)co 7396 ↑m cmap 8808 ℝcr 11072 0cc0 11073 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1815 ax-4 1829 ax-5 1930 ax-6 1987 ax-7 2028 ax-8 2144 ax-9 2152 ax-10 2175 ax-11 2191 ax-12 2212 ax-ext 2734 ax-sep 5246 ax-pow 5322 ax-pr 5390 ax-un 7718 ax-cnex 11129 ax-resscn 11130 ax-1cn 11131 ax-icn 11132 ax-addcl 11133 ax-addrcl 11134 ax-mulcl 11135 ax-i2m1 11141 ax-rnegex 11144 ax-cnre 11146 |
| This theorem depends on definitions: df-bi 209 df-an 400 df-or 859 df-3an 1100 df-tru 1563 df-fal 1573 df-ex 1800 df-nf 1804 df-sb 2091 df-mo 2566 df-eu 2596 df-clab 2741 df-cleq 2754 df-clel 2837 df-nfc 2911 df-ne 2958 df-ral 3077 df-rex 3087 df-rab 3415 df-v 3456 df-sbc 3745 df-dif 3907 df-un 3909 df-in 3911 df-ss 3921 df-nul 4286 df-if 4481 df-pw 4557 df-sn 4583 df-pr 4585 df-op 4589 df-uni 4866 df-br 5101 df-opab 5163 df-mpt 5182 df-id 5542 df-xp 5653 df-rel 5654 df-cnv 5655 df-co 5656 df-dm 5657 df-rn 5658 df-iota 6477 df-fun 6523 df-fn 6524 df-f 6525 df-fv 6529 df-ov 7399 df-oprab 7400 df-mpo 7401 df-map 8810 |
| This theorem is referenced by: ehl2eudisval0 49347 2sphere0 49372 |
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