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| Mirrors > Home > ILE Home > Th. List > sradsg | GIF version | ||
| Description: Distance function of a subring algebra. (Contributed by Mario Carneiro, 4-Oct-2015.) (Revised by Thierry Arnoux, 16-Jun-2019.) (Revised by AV, 29-Oct-2024.) |
| Ref | Expression |
|---|---|
| srapart.a | ⊢ (𝜑 → 𝐴 = ((subringAlg ‘𝑊)‘𝑆)) |
| srapart.s | ⊢ (𝜑 → 𝑆 ⊆ (Base‘𝑊)) |
| srapart.ex | ⊢ (𝜑 → 𝑊 ∈ 𝑋) |
| Ref | Expression |
|---|---|
| sradsg | ⊢ (𝜑 → (dist‘𝑊) = (dist‘𝐴)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | srapart.a | . 2 ⊢ (𝜑 → 𝐴 = ((subringAlg ‘𝑊)‘𝑆)) | |
| 2 | srapart.s | . 2 ⊢ (𝜑 → 𝑆 ⊆ (Base‘𝑊)) | |
| 3 | srapart.ex | . 2 ⊢ (𝜑 → 𝑊 ∈ 𝑋) | |
| 4 | dsslid 13514 | . 2 ⊢ (dist = Slot (dist‘ndx) ∧ (dist‘ndx) ∈ ℕ) | |
| 5 | slotsdnscsi 13520 | . . . 4 ⊢ ((dist‘ndx) ≠ (Scalar‘ndx) ∧ (dist‘ndx) ≠ ( ·𝑠 ‘ndx) ∧ (dist‘ndx) ≠ (·𝑖‘ndx)) | |
| 6 | 5 | simp1i 1033 | . . 3 ⊢ (dist‘ndx) ≠ (Scalar‘ndx) |
| 7 | 6 | necomi 2499 | . 2 ⊢ (Scalar‘ndx) ≠ (dist‘ndx) |
| 8 | 5 | simp2i 1034 | . . 3 ⊢ (dist‘ndx) ≠ ( ·𝑠 ‘ndx) |
| 9 | 8 | necomi 2499 | . 2 ⊢ ( ·𝑠 ‘ndx) ≠ (dist‘ndx) |
| 10 | 5 | simp3i 1035 | . . 3 ⊢ (dist‘ndx) ≠ (·𝑖‘ndx) |
| 11 | 10 | necomi 2499 | . 2 ⊢ (·𝑖‘ndx) ≠ (dist‘ndx) |
| 12 | 1, 2, 3, 4, 7, 9, 11 | sralemg 14698 | 1 ⊢ (𝜑 → (dist‘𝑊) = (dist‘𝐴)) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 = wceq 1398 ∈ wcel 2205 ≠ wne 2414 ⊆ wss 3214 ‘cfv 5357 ndxcnx 13293 Basecbs 13296 Scalarcsca 13377 ·𝑠 cvsca 13378 ·𝑖cip 13379 distcds 13383 subringAlg csra 14693 |
| 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-coll 4230 ax-sep 4233 ax-pow 4292 ax-pr 4327 ax-un 4559 ax-setind 4664 ax-cnex 8234 ax-resscn 8235 ax-1cn 8236 ax-1re 8237 ax-icn 8238 ax-addcl 8239 ax-addrcl 8240 ax-mulcl 8241 ax-mulrcl 8242 ax-addcom 8243 ax-mulcom 8244 ax-addass 8245 ax-mulass 8246 ax-distr 8247 ax-i2m1 8248 ax-0lt1 8249 ax-1rid 8250 ax-0id 8251 ax-rnegex 8252 ax-precex 8253 ax-cnre 8254 ax-pre-ltirr 8255 ax-pre-ltwlin 8256 ax-pre-lttrn 8257 ax-pre-ltadd 8259 ax-pre-mulgt0 8260 |
| This theorem depends on definitions: df-bi 117 df-3or 1006 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-reu 2529 df-rab 2531 df-v 2817 df-sbc 3046 df-csb 3142 df-dif 3216 df-un 3218 df-in 3220 df-ss 3227 df-nul 3513 df-pw 3676 df-sn 3700 df-pr 3701 df-op 3703 df-uni 3920 df-int 3955 df-iun 3998 df-br 4115 df-opab 4177 df-mpt 4178 df-id 4419 df-xp 4760 df-rel 4761 df-cnv 4762 df-co 4763 df-dm 4764 df-rn 4765 df-res 4766 df-ima 4767 df-iota 5317 df-fun 5359 df-fn 5360 df-f 5361 df-f1 5362 df-fo 5363 df-f1o 5364 df-fv 5365 df-riota 6011 df-ov 6061 df-oprab 6062 df-mpo 6063 df-pnf 8326 df-mnf 8327 df-xr 8328 df-ltxr 8329 df-le 8330 df-sub 8462 df-neg 8463 df-inn 9255 df-2 9313 df-3 9314 df-4 9315 df-5 9316 df-6 9317 df-7 9318 df-8 9319 df-9 9320 df-n0 9514 df-z 9595 df-dec 9728 df-ndx 13299 df-slot 13300 df-base 13302 df-sets 13303 df-iress 13304 df-mulr 13388 df-sca 13390 df-vsca 13391 df-ip 13392 df-ds 13396 df-sra 14695 |
| This theorem is referenced by: rlmdsg 14723 |
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