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Mirrors > Home > MPE Home > Th. List > axlowdimlem10 | Structured version Visualization version GIF version |
Description: Lemma for axlowdim 27310. 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 10955 | . . . . . . . . 9 ⊢ 1 ∈ V | |
3 | 1, 2 | f1osn 6751 | . . . . . . . 8 ⊢ {〈(𝐼 + 1), 1〉}:{(𝐼 + 1)}–1-1-onto→{1} |
4 | f1of 6712 | . . . . . . . 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 10953 | . . . . . . . 8 ⊢ 0 ∈ V | |
7 | 6 | fconst 6656 | . . . . . . 7 ⊢ (((1...𝑁) ∖ {(𝐼 + 1)}) × {0}):((1...𝑁) ∖ {(𝐼 + 1)})⟶{0} |
8 | 5, 7 | pm3.2i 470 | . . . . . 6 ⊢ ({〈(𝐼 + 1), 1〉}:{(𝐼 + 1)}⟶{1} ∧ (((1...𝑁) ∖ {(𝐼 + 1)}) × {0}):((1...𝑁) ∖ {(𝐼 + 1)})⟶{0}) |
9 | disjdif 4410 | . . . . . 6 ⊢ ({(𝐼 + 1)} ∩ ((1...𝑁) ∖ {(𝐼 + 1)})) = ∅ | |
10 | fun 6632 | . . . . . 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 688 | . . . . 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 6587 | . . . . 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 10959 | . . . . . 6 ⊢ 1 ∈ ℝ | |
16 | snssi 4746 | . . . . . 6 ⊢ (1 ∈ ℝ → {1} ⊆ ℝ) | |
17 | 15, 16 | ax-mp 5 | . . . . 5 ⊢ {1} ⊆ ℝ |
18 | 0re 10961 | . . . . . 6 ⊢ 0 ∈ ℝ | |
19 | snssi 4746 | . . . . . 6 ⊢ (0 ∈ ℝ → {0} ⊆ ℝ) | |
20 | 18, 19 | ax-mp 5 | . . . . 5 ⊢ {0} ⊆ ℝ |
21 | 17, 20 | unssi 4123 | . . . 4 ⊢ ({1} ∪ {0}) ⊆ ℝ |
22 | fss 6613 | . . . 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 688 | . . 3 ⊢ 𝑄:({(𝐼 + 1)} ∪ ((1...𝑁) ∖ {(𝐼 + 1)}))⟶ℝ |
24 | fznatpl1 13292 | . . . . . 6 ⊢ ((𝑁 ∈ ℕ ∧ 𝐼 ∈ (1...(𝑁 − 1))) → (𝐼 + 1) ∈ (1...𝑁)) | |
25 | 24 | snssd 4747 | . . . . 5 ⊢ ((𝑁 ∈ ℕ ∧ 𝐼 ∈ (1...(𝑁 − 1))) → {(𝐼 + 1)} ⊆ (1...𝑁)) |
26 | undif 4420 | . . . . 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 6582 | . . 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 27243 | . . 3 ⊢ (𝑁 ∈ ℕ → (𝑄 ∈ (𝔼‘𝑁) ↔ 𝑄:(1...𝑁)⟶ℝ)) | |
31 | 30 | adantr 480 | . 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 395 = wceq 1541 ∈ wcel 2109 ∖ cdif 3888 ∪ cun 3889 ∩ cin 3890 ⊆ wss 3891 ∅c0 4261 {csn 4566 〈cop 4572 × cxp 5586 ⟶wf 6426 –1-1-onto→wf1o 6429 ‘cfv 6430 (class class class)co 7268 ℝcr 10854 0cc0 10855 1c1 10856 + caddc 10858 − cmin 11188 ℕcn 11956 ...cfz 13221 𝔼cee 27237 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1801 ax-4 1815 ax-5 1916 ax-6 1974 ax-7 2014 ax-8 2111 ax-9 2119 ax-10 2140 ax-11 2157 ax-12 2174 ax-ext 2710 ax-sep 5226 ax-nul 5233 ax-pow 5291 ax-pr 5355 ax-un 7579 ax-cnex 10911 ax-resscn 10912 ax-1cn 10913 ax-icn 10914 ax-addcl 10915 ax-addrcl 10916 ax-mulcl 10917 ax-mulrcl 10918 ax-mulcom 10919 ax-addass 10920 ax-mulass 10921 ax-distr 10922 ax-i2m1 10923 ax-1ne0 10924 ax-1rid 10925 ax-rnegex 10926 ax-rrecex 10927 ax-cnre 10928 ax-pre-lttri 10929 ax-pre-lttrn 10930 ax-pre-ltadd 10931 ax-pre-mulgt0 10932 |
This theorem depends on definitions: df-bi 206 df-an 396 df-or 844 df-3or 1086 df-3an 1087 df-tru 1544 df-fal 1554 df-ex 1786 df-nf 1790 df-sb 2071 df-mo 2541 df-eu 2570 df-clab 2717 df-cleq 2731 df-clel 2817 df-nfc 2890 df-ne 2945 df-nel 3051 df-ral 3070 df-rex 3071 df-reu 3072 df-rab 3074 df-v 3432 df-sbc 3720 df-csb 3837 df-dif 3894 df-un 3896 df-in 3898 df-ss 3908 df-pss 3910 df-nul 4262 df-if 4465 df-pw 4540 df-sn 4567 df-pr 4569 df-tp 4571 df-op 4573 df-uni 4845 df-iun 4931 df-br 5079 df-opab 5141 df-mpt 5162 df-tr 5196 df-id 5488 df-eprel 5494 df-po 5502 df-so 5503 df-fr 5543 df-we 5545 df-xp 5594 df-rel 5595 df-cnv 5596 df-co 5597 df-dm 5598 df-rn 5599 df-res 5600 df-ima 5601 df-pred 6199 df-ord 6266 df-on 6267 df-lim 6268 df-suc 6269 df-iota 6388 df-fun 6432 df-fn 6433 df-f 6434 df-f1 6435 df-fo 6436 df-f1o 6437 df-fv 6438 df-riota 7225 df-ov 7271 df-oprab 7272 df-mpo 7273 df-om 7701 df-1st 7817 df-2nd 7818 df-frecs 8081 df-wrecs 8112 df-recs 8186 df-rdg 8225 df-er 8472 df-map 8591 df-en 8708 df-dom 8709 df-sdom 8710 df-pnf 10995 df-mnf 10996 df-xr 10997 df-ltxr 10998 df-le 10999 df-sub 11190 df-neg 11191 df-nn 11957 df-n0 12217 df-z 12303 df-uz 12565 df-fz 13222 df-ee 27240 |
This theorem is referenced by: axlowdimlem14 27304 axlowdimlem15 27305 axlowdimlem16 27306 axlowdimlem17 27307 |
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