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| Mirrors > Home > MPE Home > Th. List > mplbas | Structured version Visualization version 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 | mplbas.u | . 2 ⊢ 𝑈 = (Base‘𝑃) | |
| 2 | ssrab2 4031 | . . 3 ⊢ {𝑓 ∈ 𝐵 ∣ 𝑓 finSupp 0 } ⊆ 𝐵 | |
| 3 | mplval.p | . . . . 5 ⊢ 𝑃 = (𝐼 mPoly 𝑅) | |
| 4 | mplval.s | . . . . 5 ⊢ 𝑆 = (𝐼 mPwSer 𝑅) | |
| 5 | mplval.b | . . . . 5 ⊢ 𝐵 = (Base‘𝑆) | |
| 6 | mplval.z | . . . . 5 ⊢ 0 = (0g‘𝑅) | |
| 7 | eqid 2762 | . . . . 5 ⊢ {𝑓 ∈ 𝐵 ∣ 𝑓 finSupp 0 } = {𝑓 ∈ 𝐵 ∣ 𝑓 finSupp 0 } | |
| 8 | 3, 4, 5, 6, 7 | mplval 22209 | . . . 4 ⊢ 𝑃 = (𝑆 ↾s {𝑓 ∈ 𝐵 ∣ 𝑓 finSupp 0 }) |
| 9 | 8, 5 | ressbas2 17336 | . . 3 ⊢ ({𝑓 ∈ 𝐵 ∣ 𝑓 finSupp 0 } ⊆ 𝐵 → {𝑓 ∈ 𝐵 ∣ 𝑓 finSupp 0 } = (Base‘𝑃)) |
| 10 | 2, 9 | ax-mp 5 | . 2 ⊢ {𝑓 ∈ 𝐵 ∣ 𝑓 finSupp 0 } = (Base‘𝑃) |
| 11 | 1, 10 | eqtr4i 2788 | 1 ⊢ 𝑈 = {𝑓 ∈ 𝐵 ∣ 𝑓 finSupp 0 } |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: = wceq 1570 {crab 3414 ⊆ wss 3902 class class class wbr 5107 ‘cfv 6537 (class class class)co 7417 finSupp cfsupp 9335 Basecbs 17307 0gc0g 17530 mPwSer cmps 22125 mPoly cmpl 22127 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1943 ax-6 2000 ax-7 2041 ax-8 2147 ax-9 2155 ax-10 2178 ax-11 2194 ax-12 2215 ax-ext 2734 ax-sep 5255 ax-nul 5267 ax-pow 5334 ax-pr 5402 ax-un 7740 ax-cnex 11184 ax-1cn 11186 ax-addcl 11188 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2100 df-mo 2566 df-eu 2596 df-clab 2741 df-cleq 2754 df-clel 2837 df-nfc 2911 df-ne 2958 df-ral 3079 df-rex 3089 df-reu 3368 df-rab 3415 df-v 3455 df-sbc 3743 df-csb 3851 df-dif 3905 df-un 3907 df-in 3909 df-ss 3919 df-pss 3922 df-nul 4283 df-if 4486 df-pw 4562 df-sn 4588 df-pr 4590 df-op 4594 df-uni 4871 df-iun 4956 df-br 5108 df-opab 5172 df-mpt 5191 df-tr 5217 df-id 5554 df-eprel 5559 df-po 5567 df-so 5568 df-fr 5612 df-we 5614 df-xp 5665 df-rel 5666 df-cnv 5667 df-co 5668 df-dm 5669 df-rn 5670 df-res 5671 df-ima 5672 df-pred 6303 df-ord 6364 df-on 6365 df-lim 6366 df-suc 6367 df-iota 6493 df-fun 6539 df-fn 6540 df-f 6541 df-f1 6542 df-fo 6543 df-f1o 6544 df-fv 6545 df-ov 7420 df-oprab 7421 df-mpo 7422 df-om 7867 df-2nd 7991 df-frecs 8284 df-wrecs 8315 df-recs 8364 df-rdg 8403 df-nn 12262 df-sets 17262 df-slot 17280 df-ndx 17292 df-base 17308 df-ress 17329 df-psr 22130 df-mpl 22132 |
| This theorem is used by: mplelbas 22211 mplval2 22216 mplbasss 22217 mplsubglem2 22221 ressmplbas2 22248 mplbaspropd 22467 mplnzr 34031 |
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