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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 13361 | . 2 ⊢ (dist = Slot (dist‘ndx) ∧ (dist‘ndx) ∈ ℕ) | |
| 5 | slotsdnscsi 13367 | . . . 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 2488 | . 2 ⊢ (Scalar‘ndx) ≠ (dist‘ndx) |
| 8 | 5 | simp2i 1034 | . . 3 ⊢ (dist‘ndx) ≠ ( ·𝑠 ‘ndx) |
| 9 | 8 | necomi 2488 | . 2 ⊢ ( ·𝑠 ‘ndx) ≠ (dist‘ndx) |
| 10 | 5 | simp3i 1035 | . . 3 ⊢ (dist‘ndx) ≠ (·𝑖‘ndx) |
| 11 | 10 | necomi 2488 | . 2 ⊢ (·𝑖‘ndx) ≠ (dist‘ndx) |
| 12 | 1, 2, 3, 4, 7, 9, 11 | sralemg 14514 | 1 ⊢ (𝜑 → (dist‘𝑊) = (dist‘𝐴)) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 = wceq 1398 ∈ wcel 2202 ≠ wne 2403 ⊆ wss 3201 ‘cfv 5333 ndxcnx 13140 Basecbs 13143 Scalarcsca 13224 ·𝑠 cvsca 13225 ·𝑖cip 13226 distcds 13230 subringAlg csra 14509 |
| 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 2204 ax-14 2205 ax-ext 2213 ax-coll 4209 ax-sep 4212 ax-pow 4270 ax-pr 4305 ax-un 4536 ax-setind 4641 ax-cnex 8166 ax-resscn 8167 ax-1cn 8168 ax-1re 8169 ax-icn 8170 ax-addcl 8171 ax-addrcl 8172 ax-mulcl 8173 ax-mulrcl 8174 ax-addcom 8175 ax-mulcom 8176 ax-addass 8177 ax-mulass 8178 ax-distr 8179 ax-i2m1 8180 ax-0lt1 8181 ax-1rid 8182 ax-0id 8183 ax-rnegex 8184 ax-precex 8185 ax-cnre 8186 ax-pre-ltirr 8187 ax-pre-ltwlin 8188 ax-pre-lttrn 8189 ax-pre-ltadd 8191 ax-pre-mulgt0 8192 |
| 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 1811 df-eu 2082 df-mo 2083 df-clab 2218 df-cleq 2224 df-clel 2227 df-nfc 2364 df-ne 2404 df-nel 2499 df-ral 2516 df-rex 2517 df-reu 2518 df-rab 2520 df-v 2805 df-sbc 3033 df-csb 3129 df-dif 3203 df-un 3205 df-in 3207 df-ss 3214 df-nul 3497 df-pw 3658 df-sn 3679 df-pr 3680 df-op 3682 df-uni 3899 df-int 3934 df-iun 3977 df-br 4094 df-opab 4156 df-mpt 4157 df-id 4396 df-xp 4737 df-rel 4738 df-cnv 4739 df-co 4740 df-dm 4741 df-rn 4742 df-res 4743 df-ima 4744 df-iota 5293 df-fun 5335 df-fn 5336 df-f 5337 df-f1 5338 df-fo 5339 df-f1o 5340 df-fv 5341 df-riota 5981 df-ov 6031 df-oprab 6032 df-mpo 6033 df-pnf 8259 df-mnf 8260 df-xr 8261 df-ltxr 8262 df-le 8263 df-sub 8395 df-neg 8396 df-inn 9187 df-2 9245 df-3 9246 df-4 9247 df-5 9248 df-6 9249 df-7 9250 df-8 9251 df-9 9252 df-n0 9446 df-z 9523 df-dec 9655 df-ndx 13146 df-slot 13147 df-base 13149 df-sets 13150 df-iress 13151 df-mulr 13235 df-sca 13237 df-vsca 13238 df-ip 13239 df-ds 13243 df-sra 14511 |
| This theorem is referenced by: rlmdsg 14539 |
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