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| Mirrors > Home > ILE Home > Th. List > mplbas | GIF version | ||
| Description: Base set of the set of multivariate polynomials. (Contributed by Mario Carneiro, 7-Jan-2015.) (Revised by Mario Carneiro, 2-Oct-2015.) (Revised by AV, 25-Jun-2019.) |
| 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 |
|---|---|
| mplbas | ⊢ 𝑈 = {𝑓 ∈ 𝐵 ∣ 𝑓 finSupp 0 } |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | reldmmpl 15221 | . . . 4 ⊢ Rel dom mPoly | |
| 2 | df-mpl 15158 | . . . . . 6 ⊢ mPoly = (𝑖 ∈ V, 𝑟 ∈ V ↦ ⦋(𝑖 mPwSer 𝑟) / 𝑤⦌(𝑤 ↾s {𝑓 ∈ (Base‘𝑤) ∣ 𝑓 finSupp (0g‘𝑟)})) | |
| 3 | 2 | mpofun 6193 | . . . . 5 ⊢ Fun mPoly |
| 4 | funrel 5397 | . . . . 5 ⊢ (Fun mPoly → Rel mPoly ) | |
| 5 | 3, 4 | ax-mp 5 | . . . 4 ⊢ Rel mPoly |
| 6 | mplval.p | . . . 4 ⊢ 𝑃 = (𝐼 mPoly 𝑅) | |
| 7 | mplbas.u | . . . 4 ⊢ 𝑈 = (Base‘𝑃) | |
| 8 | 1, 5, 6, 7 | relelbasov 13473 | . . 3 ⊢ (𝑥 ∈ 𝑈 → (𝐼 ∈ V ∧ 𝑅 ∈ V)) |
| 9 | elrabi 2979 | . . . 4 ⊢ (𝑥 ∈ {𝑓 ∈ 𝐵 ∣ 𝑓 finSupp 0 } → 𝑥 ∈ 𝐵) | |
| 10 | reldmpsr 15159 | . . . . 5 ⊢ Rel dom mPwSer | |
| 11 | fnpsr 15161 | . . . . . 6 ⊢ mPwSer Fn (V × V) | |
| 12 | fnrel 5482 | . . . . . 6 ⊢ ( mPwSer Fn (V × V) → Rel mPwSer ) | |
| 13 | 11, 12 | ax-mp 5 | . . . . 5 ⊢ Rel mPwSer |
| 14 | mplval.s | . . . . 5 ⊢ 𝑆 = (𝐼 mPwSer 𝑅) | |
| 15 | mplval.b | . . . . 5 ⊢ 𝐵 = (Base‘𝑆) | |
| 16 | 10, 13, 14, 15 | relelbasov 13473 | . . . 4 ⊢ (𝑥 ∈ 𝐵 → (𝐼 ∈ V ∧ 𝑅 ∈ V)) |
| 17 | 9, 16 | syl 14 | . . 3 ⊢ (𝑥 ∈ {𝑓 ∈ 𝐵 ∣ 𝑓 finSupp 0 } → (𝐼 ∈ V ∧ 𝑅 ∈ V)) |
| 18 | mplval.z | . . . . . . 7 ⊢ 0 = (0g‘𝑅) | |
| 19 | eqid 2238 | . . . . . . 7 ⊢ {𝑓 ∈ 𝐵 ∣ 𝑓 finSupp 0 } = {𝑓 ∈ 𝐵 ∣ 𝑓 finSupp 0 } | |
| 20 | 6, 14, 15, 18, 19 | mplvalg 15222 | . . . . . 6 ⊢ ((𝐼 ∈ V ∧ 𝑅 ∈ V) → 𝑃 = (𝑆 ↾s {𝑓 ∈ 𝐵 ∣ 𝑓 finSupp 0 })) |
| 21 | 15 | a1i 9 | . . . . . 6 ⊢ ((𝐼 ∈ V ∧ 𝑅 ∈ V) → 𝐵 = (Base‘𝑆)) |
| 22 | fnovex 6121 | . . . . . . . 8 ⊢ (( mPwSer Fn (V × V) ∧ 𝐼 ∈ V ∧ 𝑅 ∈ V) → (𝐼 mPwSer 𝑅) ∈ V) | |
| 23 | 11, 22 | mp3an1 1365 | . . . . . . 7 ⊢ ((𝐼 ∈ V ∧ 𝑅 ∈ V) → (𝐼 mPwSer 𝑅) ∈ V) |
| 24 | 14, 23 | eqeltrid 2325 | . . . . . 6 ⊢ ((𝐼 ∈ V ∧ 𝑅 ∈ V) → 𝑆 ∈ V) |
| 25 | ssrab2 3333 | . . . . . . 7 ⊢ {𝑓 ∈ 𝐵 ∣ 𝑓 finSupp 0 } ⊆ 𝐵 | |
| 26 | 25 | a1i 9 | . . . . . 6 ⊢ ((𝐼 ∈ V ∧ 𝑅 ∈ V) → {𝑓 ∈ 𝐵 ∣ 𝑓 finSupp 0 } ⊆ 𝐵) |
| 27 | 20, 21, 24, 26 | ressbas2d 13480 | . . . . 5 ⊢ ((𝐼 ∈ V ∧ 𝑅 ∈ V) → {𝑓 ∈ 𝐵 ∣ 𝑓 finSupp 0 } = (Base‘𝑃)) |
| 28 | 7, 27 | eqtr4id 2290 | . . . 4 ⊢ ((𝐼 ∈ V ∧ 𝑅 ∈ V) → 𝑈 = {𝑓 ∈ 𝐵 ∣ 𝑓 finSupp 0 }) |
| 29 | 28 | eleq2d 2308 | . . 3 ⊢ ((𝐼 ∈ V ∧ 𝑅 ∈ V) → (𝑥 ∈ 𝑈 ↔ 𝑥 ∈ {𝑓 ∈ 𝐵 ∣ 𝑓 finSupp 0 })) |
| 30 | 8, 17, 29 | pm5.21nii 716 | . 2 ⊢ (𝑥 ∈ 𝑈 ↔ 𝑥 ∈ {𝑓 ∈ 𝐵 ∣ 𝑓 finSupp 0 }) |
| 31 | 30 | eqriv 2235 | 1 ⊢ 𝑈 = {𝑓 ∈ 𝐵 ∣ 𝑓 finSupp 0 } |
| Colors of variables: wff set class |
| This proof depends on syntax axioms: ∧ wa 104 = wceq 1402 ∈ wcel 2209 {crab 2532 Vcvv 2821 ⦋csb 3147 ⊆ wss 3220 class class class wbr 4131 × cxp 4774 Rel wrel 4781 Fun wfun 5374 Fn wfn 5375 ‘cfv 5380 (class class class)co 6088 finSupp cfsupp 7292 Basecbs 13409 ↾s cress 13410 0gc0g 13668 mPwSer cmps 15153 mPoly cmpl 15155 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-in1 623 ax-in2 624 ax-io 721 ax-5 1500 ax-7 1501 ax-gen 1502 ax-ie1 1546 ax-ie2 1547 ax-8 1557 ax-10 1558 ax-11 1559 ax-i12 1560 ax-bndl 1562 ax-4 1563 ax-17 1579 ax-i9 1583 ax-ial 1587 ax-i5r 1588 ax-14 2212 ax-ext 2220 ax-coll 4248 ax-sep 4251 ax-pow 4313 ax-pr 4348 ax-un 4580 ax-setind 4686 ax-cnex 8276 ax-resscn 8277 ax-1cn 8278 ax-1re 8279 ax-icn 8280 ax-addcl 8281 ax-addrcl 8282 ax-mulcl 8283 ax-i2m1 8290 |
| This proof depends on definitions: df-bi 117 df-3an 1011 df-tru 1405 df-fal 1408 df-nf 1514 df-sb 1816 df-eu 2089 df-mo 2090 df-clab 2225 df-cleq 2231 df-clel 2234 df-nfc 2381 df-ne 2421 df-ral 2533 df-rex 2534 df-reu 2535 df-rab 2537 df-v 2823 df-sbc 3052 df-csb 3148 df-dif 3222 df-un 3224 df-in 3226 df-ss 3233 df-nul 3521 df-pw 3690 df-sn 3715 df-pr 3716 df-tp 3717 df-op 3718 df-uni 3936 df-int 3971 df-iun 4014 df-br 4132 df-opab 4194 df-mpt 4195 df-id 4440 df-xp 4782 df-rel 4783 df-cnv 4784 df-co 4785 df-dm 4786 df-rn 4787 df-res 4788 df-ima 4789 df-iota 5340 df-fun 5382 df-fn 5383 df-f 5384 df-f1 5385 df-fo 5386 df-f1o 5387 df-fv 5388 df-ov 6091 df-oprab 6092 df-mpo 6093 df-of 6305 df-1st 6378 df-2nd 6379 df-map 6929 df-ixp 6987 df-inn 9314 df-2 9372 df-3 9373 df-4 9374 df-5 9375 df-6 9376 df-7 9377 df-8 9378 df-9 9379 df-n0 9575 df-ndx 13412 df-slot 13413 df-base 13415 df-sets 13416 df-iress 13417 df-plusg 13502 df-mulr 13503 df-sca 13505 df-vsca 13506 df-tset 13508 df-rest 13653 df-topn 13654 df-topgen 13672 df-pt 13673 df-psr 15156 df-mpl 15158 |
| This theorem is used by: mplelbas 15224 mplval2g 15228 mplbasss 15229 |
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