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Mirrors > Home > MPE Home > Th. List > axlowdimlem10 | Structured version Visualization version GIF version |
Description: Lemma for axlowdim 27317. Set up a family of points in Euclidean space. (Contributed by Scott Fenton, 21-Apr-2013.) |
Ref | Expression |
---|---|
axlowdimlem10.1 | ⊢ 𝑄 = ({〈(𝐼 + 1), 1〉} ∪ (((1...𝑁) ∖ {(𝐼 + 1)}) × {0})) |
Ref | Expression |
---|---|
axlowdimlem10 | ⊢ ((𝑁 ∈ ℕ ∧ 𝐼 ∈ (1...(𝑁 − 1))) → 𝑄 ∈ (𝔼‘𝑁)) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | ovex 7301 | . . . . . . . . 9 ⊢ (𝐼 + 1) ∈ V | |
2 | 1ex 10959 | . . . . . . . . 9 ⊢ 1 ∈ V | |
3 | 1, 2 | f1osn 6749 | . . . . . . . 8 ⊢ {〈(𝐼 + 1), 1〉}:{(𝐼 + 1)}–1-1-onto→{1} |
4 | f1of 6709 | . . . . . . . 8 ⊢ ({〈(𝐼 + 1), 1〉}:{(𝐼 + 1)}–1-1-onto→{1} → {〈(𝐼 + 1), 1〉}:{(𝐼 + 1)}⟶{1}) | |
5 | 3, 4 | ax-mp 5 | . . . . . . 7 ⊢ {〈(𝐼 + 1), 1〉}:{(𝐼 + 1)}⟶{1} |
6 | c0ex 10957 | . . . . . . . 8 ⊢ 0 ∈ V | |
7 | 6 | fconst 6653 | . . . . . . 7 ⊢ (((1...𝑁) ∖ {(𝐼 + 1)}) × {0}):((1...𝑁) ∖ {(𝐼 + 1)})⟶{0} |
8 | 5, 7 | pm3.2i 471 | . . . . . 6 ⊢ ({〈(𝐼 + 1), 1〉}:{(𝐼 + 1)}⟶{1} ∧ (((1...𝑁) ∖ {(𝐼 + 1)}) × {0}):((1...𝑁) ∖ {(𝐼 + 1)})⟶{0}) |
9 | disjdif 4406 | . . . . . 6 ⊢ ({(𝐼 + 1)} ∩ ((1...𝑁) ∖ {(𝐼 + 1)})) = ∅ | |
10 | fun 6629 | . . . . . 6 ⊢ ((({〈(𝐼 + 1), 1〉}:{(𝐼 + 1)}⟶{1} ∧ (((1...𝑁) ∖ {(𝐼 + 1)}) × {0}):((1...𝑁) ∖ {(𝐼 + 1)})⟶{0}) ∧ ({(𝐼 + 1)} ∩ ((1...𝑁) ∖ {(𝐼 + 1)})) = ∅) → ({〈(𝐼 + 1), 1〉} ∪ (((1...𝑁) ∖ {(𝐼 + 1)}) × {0})):({(𝐼 + 1)} ∪ ((1...𝑁) ∖ {(𝐼 + 1)}))⟶({1} ∪ {0})) | |
11 | 8, 9, 10 | mp2an 689 | . . . . 5 ⊢ ({〈(𝐼 + 1), 1〉} ∪ (((1...𝑁) ∖ {(𝐼 + 1)}) × {0})):({(𝐼 + 1)} ∪ ((1...𝑁) ∖ {(𝐼 + 1)}))⟶({1} ∪ {0}) |
12 | axlowdimlem10.1 | . . . . . 6 ⊢ 𝑄 = ({〈(𝐼 + 1), 1〉} ∪ (((1...𝑁) ∖ {(𝐼 + 1)}) × {0})) | |
13 | 12 | feq1i 6584 | . . . . 5 ⊢ (𝑄:({(𝐼 + 1)} ∪ ((1...𝑁) ∖ {(𝐼 + 1)}))⟶({1} ∪ {0}) ↔ ({〈(𝐼 + 1), 1〉} ∪ (((1...𝑁) ∖ {(𝐼 + 1)}) × {0})):({(𝐼 + 1)} ∪ ((1...𝑁) ∖ {(𝐼 + 1)}))⟶({1} ∪ {0})) |
14 | 11, 13 | mpbir 230 | . . . 4 ⊢ 𝑄:({(𝐼 + 1)} ∪ ((1...𝑁) ∖ {(𝐼 + 1)}))⟶({1} ∪ {0}) |
15 | 1re 10963 | . . . . . 6 ⊢ 1 ∈ ℝ | |
16 | snssi 4742 | . . . . . 6 ⊢ (1 ∈ ℝ → {1} ⊆ ℝ) | |
17 | 15, 16 | ax-mp 5 | . . . . 5 ⊢ {1} ⊆ ℝ |
18 | 0re 10965 | . . . . . 6 ⊢ 0 ∈ ℝ | |
19 | snssi 4742 | . . . . . 6 ⊢ (0 ∈ ℝ → {0} ⊆ ℝ) | |
20 | 18, 19 | ax-mp 5 | . . . . 5 ⊢ {0} ⊆ ℝ |
21 | 17, 20 | unssi 4119 | . . . 4 ⊢ ({1} ∪ {0}) ⊆ ℝ |
22 | fss 6610 | . . . 4 ⊢ ((𝑄:({(𝐼 + 1)} ∪ ((1...𝑁) ∖ {(𝐼 + 1)}))⟶({1} ∪ {0}) ∧ ({1} ∪ {0}) ⊆ ℝ) → 𝑄:({(𝐼 + 1)} ∪ ((1...𝑁) ∖ {(𝐼 + 1)}))⟶ℝ) | |
23 | 14, 21, 22 | mp2an 689 | . . 3 ⊢ 𝑄:({(𝐼 + 1)} ∪ ((1...𝑁) ∖ {(𝐼 + 1)}))⟶ℝ |
24 | fznatpl1 13298 | . . . . . 6 ⊢ ((𝑁 ∈ ℕ ∧ 𝐼 ∈ (1...(𝑁 − 1))) → (𝐼 + 1) ∈ (1...𝑁)) | |
25 | 24 | snssd 4743 | . . . . 5 ⊢ ((𝑁 ∈ ℕ ∧ 𝐼 ∈ (1...(𝑁 − 1))) → {(𝐼 + 1)} ⊆ (1...𝑁)) |
26 | undif 4416 | . . . . 5 ⊢ ({(𝐼 + 1)} ⊆ (1...𝑁) ↔ ({(𝐼 + 1)} ∪ ((1...𝑁) ∖ {(𝐼 + 1)})) = (1...𝑁)) | |
27 | 25, 26 | sylib 217 | . . . 4 ⊢ ((𝑁 ∈ ℕ ∧ 𝐼 ∈ (1...(𝑁 − 1))) → ({(𝐼 + 1)} ∪ ((1...𝑁) ∖ {(𝐼 + 1)})) = (1...𝑁)) |
28 | 27 | feq2d 6579 | . . 3 ⊢ ((𝑁 ∈ ℕ ∧ 𝐼 ∈ (1...(𝑁 − 1))) → (𝑄:({(𝐼 + 1)} ∪ ((1...𝑁) ∖ {(𝐼 + 1)}))⟶ℝ ↔ 𝑄:(1...𝑁)⟶ℝ)) |
29 | 23, 28 | mpbii 232 | . 2 ⊢ ((𝑁 ∈ ℕ ∧ 𝐼 ∈ (1...(𝑁 − 1))) → 𝑄:(1...𝑁)⟶ℝ) |
30 | elee 27250 | . . 3 ⊢ (𝑁 ∈ ℕ → (𝑄 ∈ (𝔼‘𝑁) ↔ 𝑄:(1...𝑁)⟶ℝ)) | |
31 | 30 | adantr 481 | . 2 ⊢ ((𝑁 ∈ ℕ ∧ 𝐼 ∈ (1...(𝑁 − 1))) → (𝑄 ∈ (𝔼‘𝑁) ↔ 𝑄:(1...𝑁)⟶ℝ)) |
32 | 29, 31 | mpbird 256 | 1 ⊢ ((𝑁 ∈ ℕ ∧ 𝐼 ∈ (1...(𝑁 − 1))) → 𝑄 ∈ (𝔼‘𝑁)) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ↔ wb 205 ∧ wa 396 = wceq 1539 ∈ wcel 2106 ∖ cdif 3884 ∪ cun 3885 ∩ cin 3886 ⊆ wss 3887 ∅c0 4257 {csn 4562 〈cop 4568 × cxp 5583 ⟶wf 6423 –1-1-onto→wf1o 6426 ‘cfv 6427 (class class class)co 7268 ℝcr 10858 0cc0 10859 1c1 10860 + caddc 10862 − cmin 11193 ℕcn 11961 ...cfz 13227 𝔼cee 27244 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1798 ax-4 1812 ax-5 1913 ax-6 1971 ax-7 2011 ax-8 2108 ax-9 2116 ax-10 2137 ax-11 2154 ax-12 2171 ax-ext 2709 ax-sep 5222 ax-nul 5229 ax-pow 5287 ax-pr 5351 ax-un 7579 ax-cnex 10915 ax-resscn 10916 ax-1cn 10917 ax-icn 10918 ax-addcl 10919 ax-addrcl 10920 ax-mulcl 10921 ax-mulrcl 10922 ax-mulcom 10923 ax-addass 10924 ax-mulass 10925 ax-distr 10926 ax-i2m1 10927 ax-1ne0 10928 ax-1rid 10929 ax-rnegex 10930 ax-rrecex 10931 ax-cnre 10932 ax-pre-lttri 10933 ax-pre-lttrn 10934 ax-pre-ltadd 10935 ax-pre-mulgt0 10936 |
This theorem depends on definitions: df-bi 206 df-an 397 df-or 845 df-3or 1087 df-3an 1088 df-tru 1542 df-fal 1552 df-ex 1783 df-nf 1787 df-sb 2068 df-mo 2540 df-eu 2569 df-clab 2716 df-cleq 2730 df-clel 2816 df-nfc 2889 df-ne 2944 df-nel 3050 df-ral 3069 df-rex 3070 df-reu 3071 df-rab 3073 df-v 3432 df-sbc 3717 df-csb 3833 df-dif 3890 df-un 3892 df-in 3894 df-ss 3904 df-pss 3906 df-nul 4258 df-if 4461 df-pw 4536 df-sn 4563 df-pr 4565 df-op 4569 df-uni 4841 df-iun 4927 df-br 5075 df-opab 5137 df-mpt 5158 df-tr 5192 df-id 5485 df-eprel 5491 df-po 5499 df-so 5500 df-fr 5540 df-we 5542 df-xp 5591 df-rel 5592 df-cnv 5593 df-co 5594 df-dm 5595 df-rn 5596 df-res 5597 df-ima 5598 df-pred 6196 df-ord 6263 df-on 6264 df-lim 6265 df-suc 6266 df-iota 6385 df-fun 6429 df-fn 6430 df-f 6431 df-f1 6432 df-fo 6433 df-f1o 6434 df-fv 6435 df-riota 7225 df-ov 7271 df-oprab 7272 df-mpo 7273 df-om 7704 df-1st 7821 df-2nd 7822 df-frecs 8085 df-wrecs 8116 df-recs 8190 df-rdg 8229 df-er 8486 df-map 8605 df-en 8722 df-dom 8723 df-sdom 8724 df-pnf 10999 df-mnf 11000 df-xr 11001 df-ltxr 11002 df-le 11003 df-sub 11195 df-neg 11196 df-nn 11962 df-n0 12222 df-z 12308 df-uz 12571 df-fz 13228 df-ee 27247 |
This theorem is referenced by: axlowdimlem14 27311 axlowdimlem15 27312 axlowdimlem16 27313 axlowdimlem17 27314 |
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