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| Mirrors > Home > ILE Home > Th. List > mplbascoe | GIF version | ||
| Description: Base set of the set of multivariate polynomials. (Contributed by Mario Carneiro, 7-Jan-2015.) (Revised by AV, 25-Jun-2019.) (Revised by Jim Kingdon, 4-Nov-2025.) |
| Ref | Expression |
|---|---|
| mplval.p | ⊢ 𝑃 = (𝐼 mPoly 𝑅) |
| mplval.s | ⊢ 𝑆 = (𝐼 mPwSer 𝑅) |
| mplval.b | ⊢ 𝐵 = (Base‘𝑆) |
| mplval.z | ⊢ 0 = (0g‘𝑅) |
| mplbas.u | ⊢ 𝑈 = (Base‘𝑃) |
| Ref | Expression |
|---|---|
| mplbascoe | ⊢ ((𝐼 ∈ 𝑉 ∧ 𝑅 ∈ 𝑊) → 𝑈 = {𝑓 ∈ 𝐵 ∣ ∃𝑎 ∈ (ℕ0 ↑𝑚 𝐼)∀𝑏 ∈ (ℕ0 ↑𝑚 𝐼)(∀𝑘 ∈ 𝐼 (𝑎‘𝑘) < (𝑏‘𝑘) → (𝑓‘𝑏) = 0 )}) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | mplbas.u | . 2 ⊢ 𝑈 = (Base‘𝑃) | |
| 2 | mplval.p | . . . 4 ⊢ 𝑃 = (𝐼 mPoly 𝑅) | |
| 3 | mplval.s | . . . 4 ⊢ 𝑆 = (𝐼 mPwSer 𝑅) | |
| 4 | mplval.b | . . . 4 ⊢ 𝐵 = (Base‘𝑆) | |
| 5 | mplval.z | . . . 4 ⊢ 0 = (0g‘𝑅) | |
| 6 | eqid 2234 | . . . 4 ⊢ {𝑓 ∈ 𝐵 ∣ ∃𝑎 ∈ (ℕ0 ↑𝑚 𝐼)∀𝑏 ∈ (ℕ0 ↑𝑚 𝐼)(∀𝑘 ∈ 𝐼 (𝑎‘𝑘) < (𝑏‘𝑘) → (𝑓‘𝑏) = 0 )} = {𝑓 ∈ 𝐵 ∣ ∃𝑎 ∈ (ℕ0 ↑𝑚 𝐼)∀𝑏 ∈ (ℕ0 ↑𝑚 𝐼)(∀𝑘 ∈ 𝐼 (𝑎‘𝑘) < (𝑏‘𝑘) → (𝑓‘𝑏) = 0 )} | |
| 7 | 2, 3, 4, 5, 6 | mplvalcoe 14974 | . . 3 ⊢ ((𝐼 ∈ 𝑉 ∧ 𝑅 ∈ 𝑊) → 𝑃 = (𝑆 ↾s {𝑓 ∈ 𝐵 ∣ ∃𝑎 ∈ (ℕ0 ↑𝑚 𝐼)∀𝑏 ∈ (ℕ0 ↑𝑚 𝐼)(∀𝑘 ∈ 𝐼 (𝑎‘𝑘) < (𝑏‘𝑘) → (𝑓‘𝑏) = 0 )})) |
| 8 | 4 | a1i 9 | . . 3 ⊢ ((𝐼 ∈ 𝑉 ∧ 𝑅 ∈ 𝑊) → 𝐵 = (Base‘𝑆)) |
| 9 | fnpsr 14944 | . . . . 5 ⊢ mPwSer Fn (V × V) | |
| 10 | elex 2827 | . . . . 5 ⊢ (𝐼 ∈ 𝑉 → 𝐼 ∈ V) | |
| 11 | elex 2827 | . . . . 5 ⊢ (𝑅 ∈ 𝑊 → 𝑅 ∈ V) | |
| 12 | fnovex 6091 | . . . . 5 ⊢ (( mPwSer Fn (V × V) ∧ 𝐼 ∈ V ∧ 𝑅 ∈ V) → (𝐼 mPwSer 𝑅) ∈ V) | |
| 13 | 9, 10, 11, 12 | mp3an3an 1380 | . . . 4 ⊢ ((𝐼 ∈ 𝑉 ∧ 𝑅 ∈ 𝑊) → (𝐼 mPwSer 𝑅) ∈ V) |
| 14 | 3, 13 | eqeltrid 2321 | . . 3 ⊢ ((𝐼 ∈ 𝑉 ∧ 𝑅 ∈ 𝑊) → 𝑆 ∈ V) |
| 15 | ssrab2 3327 | . . . 4 ⊢ {𝑓 ∈ 𝐵 ∣ ∃𝑎 ∈ (ℕ0 ↑𝑚 𝐼)∀𝑏 ∈ (ℕ0 ↑𝑚 𝐼)(∀𝑘 ∈ 𝐼 (𝑎‘𝑘) < (𝑏‘𝑘) → (𝑓‘𝑏) = 0 )} ⊆ 𝐵 | |
| 16 | 15 | a1i 9 | . . 3 ⊢ ((𝐼 ∈ 𝑉 ∧ 𝑅 ∈ 𝑊) → {𝑓 ∈ 𝐵 ∣ ∃𝑎 ∈ (ℕ0 ↑𝑚 𝐼)∀𝑏 ∈ (ℕ0 ↑𝑚 𝐼)(∀𝑘 ∈ 𝐼 (𝑎‘𝑘) < (𝑏‘𝑘) → (𝑓‘𝑏) = 0 )} ⊆ 𝐵) |
| 17 | 7, 8, 14, 16 | ressbas2d 13368 | . 2 ⊢ ((𝐼 ∈ 𝑉 ∧ 𝑅 ∈ 𝑊) → {𝑓 ∈ 𝐵 ∣ ∃𝑎 ∈ (ℕ0 ↑𝑚 𝐼)∀𝑏 ∈ (ℕ0 ↑𝑚 𝐼)(∀𝑘 ∈ 𝐼 (𝑎‘𝑘) < (𝑏‘𝑘) → (𝑓‘𝑏) = 0 )} = (Base‘𝑃)) |
| 18 | 1, 17 | eqtr4id 2286 | 1 ⊢ ((𝐼 ∈ 𝑉 ∧ 𝑅 ∈ 𝑊) → 𝑈 = {𝑓 ∈ 𝐵 ∣ ∃𝑎 ∈ (ℕ0 ↑𝑚 𝐼)∀𝑏 ∈ (ℕ0 ↑𝑚 𝐼)(∀𝑘 ∈ 𝐼 (𝑎‘𝑘) < (𝑏‘𝑘) → (𝑓‘𝑏) = 0 )}) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 ∧ wa 104 = wceq 1398 ∈ wcel 2205 ∀wral 2522 ∃wrex 2523 {crab 2526 Vcvv 2815 ⊆ wss 3214 class class class wbr 4114 × cxp 4752 Fn wfn 5352 ‘cfv 5357 (class class class)co 6058 ↑𝑚 cmap 6895 < clt 8324 ℕ0cn0 9516 Basecbs 13299 0gc0g 13556 mPwSer cmps 14938 mPoly cmpl 14939 |
| 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-i2m1 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-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-tp 3702 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-ov 6061 df-oprab 6062 df-mpo 6063 df-of 6275 df-1st 6347 df-2nd 6348 df-map 6897 df-ixp 6947 df-inn 9258 df-2 9316 df-3 9317 df-4 9318 df-5 9319 df-6 9320 df-7 9321 df-8 9322 df-9 9323 df-n0 9517 df-ndx 13302 df-slot 13303 df-base 13305 df-sets 13306 df-iress 13307 df-plusg 13390 df-mulr 13391 df-sca 13393 df-vsca 13394 df-tset 13396 df-rest 13541 df-topn 13542 df-topgen 13560 df-pt 13561 df-psr 14940 df-mplcoe 14941 |
| This theorem is referenced by: mplelbascoe 14976 mplval2g 14979 mplbasss 14980 |
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