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| Mirrors > Home > ILE Home > Th. List > setsmsbasg | GIF version | ||
| Description: The base set of a constructed metric space. (Contributed by Mario Carneiro, 28-Aug-2015.) |
| Ref | Expression |
|---|---|
| setsms.x | ⊢ (𝜑 → 𝑋 = (Base‘𝑀)) |
| setsms.d | ⊢ (𝜑 → 𝐷 = ((dist‘𝑀) ↾ (𝑋 × 𝑋))) |
| setsms.k | ⊢ (𝜑 → 𝐾 = (𝑀 sSet 〈(TopSet‘ndx), (MetOpen‘𝐷)〉)) |
| setsmsbasg.m | ⊢ (𝜑 → 𝑀 ∈ 𝑉) |
| setsmsbasg.d | ⊢ (𝜑 → (MetOpen‘𝐷) ∈ 𝑊) |
| Ref | Expression |
|---|---|
| setsmsbasg | ⊢ (𝜑 → 𝑋 = (Base‘𝐾)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | setsmsbasg.m | . . 3 ⊢ (𝜑 → 𝑀 ∈ 𝑉) | |
| 2 | setsmsbasg.d | . . 3 ⊢ (𝜑 → (MetOpen‘𝐷) ∈ 𝑊) | |
| 3 | baseslid 13291 | . . . 4 ⊢ (Base = Slot (Base‘ndx) ∧ (Base‘ndx) ∈ ℕ) | |
| 4 | 1re 8278 | . . . . . 6 ⊢ 1 ∈ ℝ | |
| 5 | 1lt9 9447 | . . . . . 6 ⊢ 1 < 9 | |
| 6 | 4, 5 | ltneii 8375 | . . . . 5 ⊢ 1 ≠ 9 |
| 7 | basendx 13288 | . . . . . 6 ⊢ (Base‘ndx) = 1 | |
| 8 | tsetndx 13420 | . . . . . 6 ⊢ (TopSet‘ndx) = 9 | |
| 9 | 7, 8 | neeq12i 2431 | . . . . 5 ⊢ ((Base‘ndx) ≠ (TopSet‘ndx) ↔ 1 ≠ 9) |
| 10 | 6, 9 | mpbir 146 | . . . 4 ⊢ (Base‘ndx) ≠ (TopSet‘ndx) |
| 11 | 9nn 9411 | . . . . 5 ⊢ 9 ∈ ℕ | |
| 12 | 8, 11 | eqeltri 2307 | . . . 4 ⊢ (TopSet‘ndx) ∈ ℕ |
| 13 | 3, 10, 12 | setsslnid 13285 | . . 3 ⊢ ((𝑀 ∈ 𝑉 ∧ (MetOpen‘𝐷) ∈ 𝑊) → (Base‘𝑀) = (Base‘(𝑀 sSet 〈(TopSet‘ndx), (MetOpen‘𝐷)〉))) |
| 14 | 1, 2, 13 | syl2anc 411 | . 2 ⊢ (𝜑 → (Base‘𝑀) = (Base‘(𝑀 sSet 〈(TopSet‘ndx), (MetOpen‘𝐷)〉))) |
| 15 | setsms.x | . 2 ⊢ (𝜑 → 𝑋 = (Base‘𝑀)) | |
| 16 | setsms.k | . . 3 ⊢ (𝜑 → 𝐾 = (𝑀 sSet 〈(TopSet‘ndx), (MetOpen‘𝐷)〉)) | |
| 17 | 16 | fveq2d 5676 | . 2 ⊢ (𝜑 → (Base‘𝐾) = (Base‘(𝑀 sSet 〈(TopSet‘ndx), (MetOpen‘𝐷)〉))) |
| 18 | 14, 15, 17 | 3eqtr4d 2277 | 1 ⊢ (𝜑 → 𝑋 = (Base‘𝐾)) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 = wceq 1398 ∈ wcel 2205 ≠ wne 2414 〈cop 3694 × cxp 4749 ↾ cres 4753 ‘cfv 5354 (class class class)co 6052 1c1 8133 ℕcn 9242 9c9 9300 ndxcnx 13230 sSet csts 13231 Basecbs 13233 TopSetcts 13317 distcds 13320 MetOpencmopn 14738 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-in1 619 ax-in2 620 ax-io 717 ax-5 1496 ax-7 1497 ax-gen 1498 ax-ie1 1542 ax-ie2 1543 ax-8 1553 ax-10 1554 ax-11 1555 ax-i12 1556 ax-bndl 1558 ax-4 1559 ax-17 1575 ax-i9 1579 ax-ial 1583 ax-i5r 1584 ax-13 2207 ax-14 2208 ax-ext 2216 ax-sep 4230 ax-pow 4289 ax-pr 4324 ax-un 4556 ax-setind 4661 ax-cnex 8223 ax-resscn 8224 ax-1cn 8225 ax-1re 8226 ax-icn 8227 ax-addcl 8228 ax-addrcl 8229 ax-mulcl 8230 ax-addcom 8232 ax-addass 8234 ax-i2m1 8237 ax-0lt1 8238 ax-0id 8240 ax-rnegex 8241 ax-pre-ltirr 8244 ax-pre-lttrn 8246 ax-pre-ltadd 8248 |
| This theorem depends on definitions: df-bi 117 df-3an 1007 df-tru 1401 df-fal 1404 df-nf 1510 df-sb 1812 df-eu 2085 df-mo 2086 df-clab 2221 df-cleq 2227 df-clel 2230 df-nfc 2375 df-ne 2415 df-nel 2510 df-ral 2527 df-rex 2528 df-rab 2531 df-v 2817 df-sbc 3045 df-dif 3215 df-un 3217 df-in 3219 df-ss 3226 df-nul 3511 df-pw 3673 df-sn 3697 df-pr 3698 df-op 3700 df-uni 3917 df-int 3952 df-br 4112 df-opab 4174 df-mpt 4175 df-id 4416 df-xp 4757 df-rel 4758 df-cnv 4759 df-co 4760 df-dm 4761 df-rn 4762 df-res 4763 df-iota 5314 df-fun 5356 df-fv 5362 df-ov 6055 df-oprab 6056 df-mpo 6057 df-pnf 8315 df-mnf 8316 df-ltxr 8318 df-inn 9243 df-2 9301 df-3 9302 df-4 9303 df-5 9304 df-6 9305 df-7 9306 df-8 9307 df-9 9308 df-ndx 13236 df-slot 13237 df-base 13239 df-sets 13240 df-tset 13330 |
| This theorem is referenced by: (None) |
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