| Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > MPE Home > Th. List > axlowdimlem7 | Structured version Visualization version GIF version | ||
| Description: Lemma for axlowdim 29030. Set up a point in Euclidean space. (Contributed by Scott Fenton, 29-Jun-2013.) |
| Ref | Expression |
|---|---|
| axlowdimlem7.1 | ⊢ 𝑃 = ({〈3, -1〉} ∪ (((1...𝑁) ∖ {3}) × {0})) |
| Ref | Expression |
|---|---|
| axlowdimlem7 | ⊢ (𝑁 ∈ (ℤ≥‘3) → 𝑃 ∈ (𝔼‘𝑁)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | axlowdimlem7.1 | . 2 ⊢ 𝑃 = ({〈3, -1〉} ∪ (((1...𝑁) ∖ {3}) × {0})) | |
| 2 | eqid 2736 | . . . . . . . 8 ⊢ {〈3, -1〉} = {〈3, -1〉} | |
| 3 | 3ex 12263 | . . . . . . . . 9 ⊢ 3 ∈ V | |
| 4 | negex 11391 | . . . . . . . . 9 ⊢ -1 ∈ V | |
| 5 | 3, 4 | fsn 7088 | . . . . . . . 8 ⊢ ({〈3, -1〉}:{3}⟶{-1} ↔ {〈3, -1〉} = {〈3, -1〉}) |
| 6 | 2, 5 | mpbir 231 | . . . . . . 7 ⊢ {〈3, -1〉}:{3}⟶{-1} |
| 7 | neg1rr 12145 | . . . . . . . 8 ⊢ -1 ∈ ℝ | |
| 8 | snssi 4729 | . . . . . . . 8 ⊢ (-1 ∈ ℝ → {-1} ⊆ ℝ) | |
| 9 | 7, 8 | ax-mp 5 | . . . . . . 7 ⊢ {-1} ⊆ ℝ |
| 10 | fss 6684 | . . . . . . 7 ⊢ (({〈3, -1〉}:{3}⟶{-1} ∧ {-1} ⊆ ℝ) → {〈3, -1〉}:{3}⟶ℝ) | |
| 11 | 6, 9, 10 | mp2an 693 | . . . . . 6 ⊢ {〈3, -1〉}:{3}⟶ℝ |
| 12 | 0re 11146 | . . . . . . 7 ⊢ 0 ∈ ℝ | |
| 13 | 12 | fconst6 6730 | . . . . . 6 ⊢ (((1...𝑁) ∖ {3}) × {0}):((1...𝑁) ∖ {3})⟶ℝ |
| 14 | 11, 13 | pm3.2i 470 | . . . . 5 ⊢ ({〈3, -1〉}:{3}⟶ℝ ∧ (((1...𝑁) ∖ {3}) × {0}):((1...𝑁) ∖ {3})⟶ℝ) |
| 15 | disjdif 4412 | . . . . 5 ⊢ ({3} ∩ ((1...𝑁) ∖ {3})) = ∅ | |
| 16 | fun2 6703 | . . . . 5 ⊢ ((({〈3, -1〉}:{3}⟶ℝ ∧ (((1...𝑁) ∖ {3}) × {0}):((1...𝑁) ∖ {3})⟶ℝ) ∧ ({3} ∩ ((1...𝑁) ∖ {3})) = ∅) → ({〈3, -1〉} ∪ (((1...𝑁) ∖ {3}) × {0})):({3} ∪ ((1...𝑁) ∖ {3}))⟶ℝ) | |
| 17 | 14, 15, 16 | mp2an 693 | . . . 4 ⊢ ({〈3, -1〉} ∪ (((1...𝑁) ∖ {3}) × {0})):({3} ∪ ((1...𝑁) ∖ {3}))⟶ℝ |
| 18 | eluzle 12801 | . . . . . . . . 9 ⊢ (𝑁 ∈ (ℤ≥‘3) → 3 ≤ 𝑁) | |
| 19 | 1le3 12388 | . . . . . . . . 9 ⊢ 1 ≤ 3 | |
| 20 | 18, 19 | jctil 519 | . . . . . . . 8 ⊢ (𝑁 ∈ (ℤ≥‘3) → (1 ≤ 3 ∧ 3 ≤ 𝑁)) |
| 21 | 3z 12560 | . . . . . . . . 9 ⊢ 3 ∈ ℤ | |
| 22 | 1z 12557 | . . . . . . . . 9 ⊢ 1 ∈ ℤ | |
| 23 | eluzelz 12798 | . . . . . . . . 9 ⊢ (𝑁 ∈ (ℤ≥‘3) → 𝑁 ∈ ℤ) | |
| 24 | elfz 13467 | . . . . . . . . 9 ⊢ ((3 ∈ ℤ ∧ 1 ∈ ℤ ∧ 𝑁 ∈ ℤ) → (3 ∈ (1...𝑁) ↔ (1 ≤ 3 ∧ 3 ≤ 𝑁))) | |
| 25 | 21, 22, 23, 24 | mp3an12i 1468 | . . . . . . . 8 ⊢ (𝑁 ∈ (ℤ≥‘3) → (3 ∈ (1...𝑁) ↔ (1 ≤ 3 ∧ 3 ≤ 𝑁))) |
| 26 | 20, 25 | mpbird 257 | . . . . . . 7 ⊢ (𝑁 ∈ (ℤ≥‘3) → 3 ∈ (1...𝑁)) |
| 27 | 26 | snssd 4730 | . . . . . 6 ⊢ (𝑁 ∈ (ℤ≥‘3) → {3} ⊆ (1...𝑁)) |
| 28 | undif 4422 | . . . . . 6 ⊢ ({3} ⊆ (1...𝑁) ↔ ({3} ∪ ((1...𝑁) ∖ {3})) = (1...𝑁)) | |
| 29 | 27, 28 | sylib 218 | . . . . 5 ⊢ (𝑁 ∈ (ℤ≥‘3) → ({3} ∪ ((1...𝑁) ∖ {3})) = (1...𝑁)) |
| 30 | 29 | feq2d 6652 | . . . 4 ⊢ (𝑁 ∈ (ℤ≥‘3) → (({〈3, -1〉} ∪ (((1...𝑁) ∖ {3}) × {0})):({3} ∪ ((1...𝑁) ∖ {3}))⟶ℝ ↔ ({〈3, -1〉} ∪ (((1...𝑁) ∖ {3}) × {0})):(1...𝑁)⟶ℝ)) |
| 31 | 17, 30 | mpbii 233 | . . 3 ⊢ (𝑁 ∈ (ℤ≥‘3) → ({〈3, -1〉} ∪ (((1...𝑁) ∖ {3}) × {0})):(1...𝑁)⟶ℝ) |
| 32 | eluz3nn 12839 | . . . 4 ⊢ (𝑁 ∈ (ℤ≥‘3) → 𝑁 ∈ ℕ) | |
| 33 | elee 28962 | . . . 4 ⊢ (𝑁 ∈ ℕ → (({〈3, -1〉} ∪ (((1...𝑁) ∖ {3}) × {0})) ∈ (𝔼‘𝑁) ↔ ({〈3, -1〉} ∪ (((1...𝑁) ∖ {3}) × {0})):(1...𝑁)⟶ℝ)) | |
| 34 | 32, 33 | syl 17 | . . 3 ⊢ (𝑁 ∈ (ℤ≥‘3) → (({〈3, -1〉} ∪ (((1...𝑁) ∖ {3}) × {0})) ∈ (𝔼‘𝑁) ↔ ({〈3, -1〉} ∪ (((1...𝑁) ∖ {3}) × {0})):(1...𝑁)⟶ℝ)) |
| 35 | 31, 34 | mpbird 257 | . 2 ⊢ (𝑁 ∈ (ℤ≥‘3) → ({〈3, -1〉} ∪ (((1...𝑁) ∖ {3}) × {0})) ∈ (𝔼‘𝑁)) |
| 36 | 1, 35 | eqeltrid 2840 | 1 ⊢ (𝑁 ∈ (ℤ≥‘3) → 𝑃 ∈ (𝔼‘𝑁)) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ↔ wb 206 ∧ wa 395 = wceq 1542 ∈ wcel 2114 ∖ cdif 3886 ∪ cun 3887 ∩ cin 3888 ⊆ wss 3889 ∅c0 4273 {csn 4567 〈cop 4573 class class class wbr 5085 × cxp 5629 ⟶wf 6494 ‘cfv 6498 (class class class)co 7367 ℝcr 11037 0cc0 11038 1c1 11039 ≤ cle 11180 -cneg 11378 ℕcn 12174 3c3 12237 ℤcz 12524 ℤ≥cuz 12788 ...cfz 13461 𝔼cee 28956 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-9 2124 ax-10 2147 ax-11 2163 ax-12 2185 ax-ext 2708 ax-sep 5231 ax-nul 5241 ax-pow 5307 ax-pr 5375 ax-un 7689 ax-cnex 11094 ax-resscn 11095 ax-1cn 11096 ax-icn 11097 ax-addcl 11098 ax-addrcl 11099 ax-mulcl 11100 ax-mulrcl 11101 ax-mulcom 11102 ax-addass 11103 ax-mulass 11104 ax-distr 11105 ax-i2m1 11106 ax-1ne0 11107 ax-1rid 11108 ax-rnegex 11109 ax-rrecex 11110 ax-cnre 11111 ax-pre-lttri 11112 ax-pre-lttrn 11113 ax-pre-ltadd 11114 ax-pre-mulgt0 11115 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3or 1088 df-3an 1089 df-tru 1545 df-fal 1555 df-ex 1782 df-nf 1786 df-sb 2069 df-mo 2539 df-eu 2569 df-clab 2715 df-cleq 2728 df-clel 2811 df-nfc 2885 df-ne 2933 df-nel 3037 df-ral 3052 df-rex 3062 df-reu 3343 df-rab 3390 df-v 3431 df-sbc 3729 df-csb 3838 df-dif 3892 df-un 3894 df-in 3896 df-ss 3906 df-pss 3909 df-nul 4274 df-if 4467 df-pw 4543 df-sn 4568 df-pr 4570 df-op 4574 df-uni 4851 df-iun 4935 df-br 5086 df-opab 5148 df-mpt 5167 df-tr 5193 df-id 5526 df-eprel 5531 df-po 5539 df-so 5540 df-fr 5584 df-we 5586 df-xp 5637 df-rel 5638 df-cnv 5639 df-co 5640 df-dm 5641 df-rn 5642 df-res 5643 df-ima 5644 df-pred 6265 df-ord 6326 df-on 6327 df-lim 6328 df-suc 6329 df-iota 6454 df-fun 6500 df-fn 6501 df-f 6502 df-f1 6503 df-fo 6504 df-f1o 6505 df-fv 6506 df-riota 7324 df-ov 7370 df-oprab 7371 df-mpo 7372 df-om 7818 df-2nd 7943 df-frecs 8231 df-wrecs 8262 df-recs 8311 df-rdg 8349 df-er 8643 df-map 8775 df-en 8894 df-dom 8895 df-sdom 8896 df-pnf 11181 df-mnf 11182 df-xr 11183 df-ltxr 11184 df-le 11185 df-sub 11379 df-neg 11380 df-nn 12175 df-2 12244 df-3 12245 df-z 12525 df-uz 12789 df-fz 13462 df-ee 28959 |
| This theorem is referenced by: axlowdimlem15 29025 axlowdimlem16 29026 axlowdimlem17 29027 |
| Copyright terms: Public domain | W3C validator |