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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 10635 | . . . . . 6 ⊢ 0 ∈ V | |
2 | 1 | fconst 6565 | . . . . 5 ⊢ (𝐼 × {0}):𝐼⟶{0} |
3 | 2 | a1i 11 | . . . 4 ⊢ (𝐼 ∈ 𝑉 → (𝐼 × {0}):𝐼⟶{0}) |
4 | 0re 10643 | . . . . . 6 ⊢ 0 ∈ ℝ | |
5 | snssg 4717 | . . . . . . 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 6528 | . . 3 ⊢ (𝐼 ∈ 𝑉 → (𝐼 × {0}):𝐼⟶ℝ) |
10 | reex 10628 | . . . . 5 ⊢ ℝ ∈ V | |
11 | 10 | a1i 11 | . . . 4 ⊢ (𝐼 ∈ 𝑉 → ℝ ∈ V) |
12 | id 22 | . . . 4 ⊢ (𝐼 ∈ 𝑉 → 𝐼 ∈ 𝑉) | |
13 | 11, 12 | elmapd 8420 | . . 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 2930 | 1 ⊢ (𝐼 ∈ 𝑉 → 0 ∈ 𝑃) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ↔ wb 208 = wceq 1537 ∈ wcel 2114 Vcvv 3494 ⊆ wss 3936 {csn 4567 × cxp 5553 ⟶wf 6351 (class class class)co 7156 ↑m cmap 8406 ℝcr 10536 0cc0 10537 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1911 ax-6 1970 ax-7 2015 ax-8 2116 ax-9 2124 ax-10 2145 ax-11 2161 ax-12 2177 ax-ext 2793 ax-sep 5203 ax-nul 5210 ax-pow 5266 ax-pr 5330 ax-un 7461 ax-cnex 10593 ax-resscn 10594 ax-1cn 10595 ax-icn 10596 ax-addcl 10597 ax-addrcl 10598 ax-mulcl 10599 ax-i2m1 10605 ax-rnegex 10608 ax-cnre 10610 |
This theorem depends on definitions: df-bi 209 df-an 399 df-or 844 df-3an 1085 df-tru 1540 df-ex 1781 df-nf 1785 df-sb 2070 df-mo 2622 df-eu 2654 df-clab 2800 df-cleq 2814 df-clel 2893 df-nfc 2963 df-ne 3017 df-ral 3143 df-rex 3144 df-rab 3147 df-v 3496 df-sbc 3773 df-dif 3939 df-un 3941 df-in 3943 df-ss 3952 df-nul 4292 df-if 4468 df-pw 4541 df-sn 4568 df-pr 4570 df-op 4574 df-uni 4839 df-br 5067 df-opab 5129 df-mpt 5147 df-id 5460 df-xp 5561 df-rel 5562 df-cnv 5563 df-co 5564 df-dm 5565 df-rn 5566 df-iota 6314 df-fun 6357 df-fn 6358 df-f 6359 df-fv 6363 df-ov 7159 df-oprab 7160 df-mpo 7161 df-map 8408 |
This theorem is referenced by: ehl2eudisval0 44732 2sphere0 44757 |
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