| Mathbox for Thierry Arnoux |
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| Mirrors > Home > MPE Home > Th. List > Mathboxes > fply1 | Structured version Visualization version GIF version | ||
| Description: Conditions for a function to be a univariate polynomial. (Contributed by Thierry Arnoux, 19-Aug-2023.) |
| Ref | Expression |
|---|---|
| fply1.1 | ⊢ 0 = (0g‘𝑅) |
| fply1.2 | ⊢ 𝐵 = (Base‘𝑅) |
| fply1.3 | ⊢ 𝑃 = (Base‘(Poly1‘𝑅)) |
| fply1.4 | ⊢ (𝜑 → 𝐹:(ℕ0 ↑m 1o)⟶𝐵) |
| fply1.5 | ⊢ (𝜑 → 𝐹 finSupp 0 ) |
| Ref | Expression |
|---|---|
| fply1 | ⊢ (𝜑 → 𝐹 ∈ 𝑃) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | fply1.4 | . . . . 5 ⊢ (𝜑 → 𝐹:(ℕ0 ↑m 1o)⟶𝐵) | |
| 2 | fply1.2 | . . . . . . 7 ⊢ 𝐵 = (Base‘𝑅) | |
| 3 | 2 | fvexi 6919 | . . . . . 6 ⊢ 𝐵 ∈ V |
| 4 | ovex 7473 | . . . . . 6 ⊢ (ℕ0 ↑m 1o) ∈ V | |
| 5 | 3, 4 | elmap 8924 | . . . . 5 ⊢ (𝐹 ∈ (𝐵 ↑m (ℕ0 ↑m 1o)) ↔ 𝐹:(ℕ0 ↑m 1o)⟶𝐵) |
| 6 | 1, 5 | sylibr 237 | . . . 4 ⊢ (𝜑 → 𝐹 ∈ (𝐵 ↑m (ℕ0 ↑m 1o))) |
| 7 | df1o2 8508 | . . . . . . . . 9 ⊢ 1o = {∅} | |
| 8 | snfi 9096 | . . . . . . . . 9 ⊢ {∅} ∈ Fin | |
| 9 | 7, 8 | eqeltri 2860 | . . . . . . . 8 ⊢ 1o ∈ Fin |
| 10 | 9 | a1i 11 | . . . . . . 7 ⊢ (𝑓 ∈ (ℕ0 ↑m 1o) → 1o ∈ Fin) |
| 11 | elmapi 8894 | . . . . . . 7 ⊢ (𝑓 ∈ (ℕ0 ↑m 1o) → 𝑓:1o⟶ℕ0) | |
| 12 | 10, 11 | fisuppfi 9388 | . . . . . 6 ⊢ (𝑓 ∈ (ℕ0 ↑m 1o) → (◡𝑓 “ ℕ) ∈ Fin) |
| 13 | 12 | rabeqc 3428 | . . . . 5 ⊢ {𝑓 ∈ (ℕ0 ↑m 1o) ∣ (◡𝑓 “ ℕ) ∈ Fin} = (ℕ0 ↑m 1o) |
| 14 | 13 | oveq2i 7451 | . . . 4 ⊢ (𝐵 ↑m {𝑓 ∈ (ℕ0 ↑m 1o) ∣ (◡𝑓 “ ℕ) ∈ Fin}) = (𝐵 ↑m (ℕ0 ↑m 1o)) |
| 15 | 6, 14 | eleqtrrdi 2875 | . . 3 ⊢ (𝜑 → 𝐹 ∈ (𝐵 ↑m {𝑓 ∈ (ℕ0 ↑m 1o) ∣ (◡𝑓 “ ℕ) ∈ Fin})) |
| 16 | eqid 2763 | . . . 4 ⊢ (1o mPwSer 𝑅) = (1o mPwSer 𝑅) | |
| 17 | eqid 2763 | . . . 4 ⊢ {𝑓 ∈ (ℕ0 ↑m 1o) ∣ (◡𝑓 “ ℕ) ∈ Fin} = {𝑓 ∈ (ℕ0 ↑m 1o) ∣ (◡𝑓 “ ℕ) ∈ Fin} | |
| 18 | eqid 2763 | . . . 4 ⊢ (Base‘(1o mPwSer 𝑅)) = (Base‘(1o mPwSer 𝑅)) | |
| 19 | 1oex 8511 | . . . . 5 ⊢ 1o ∈ V | |
| 20 | 19 | a1i 11 | . . . 4 ⊢ (𝜑 → 1o ∈ V) |
| 21 | 16, 2, 17, 18, 20 | psrbas 22269 | . . 3 ⊢ (𝜑 → (Base‘(1o mPwSer 𝑅)) = (𝐵 ↑m {𝑓 ∈ (ℕ0 ↑m 1o) ∣ (◡𝑓 “ ℕ) ∈ Fin})) |
| 22 | 15, 21 | eleqtrrd 2867 | . 2 ⊢ (𝜑 → 𝐹 ∈ (Base‘(1o mPwSer 𝑅))) |
| 23 | fply1.5 | . 2 ⊢ (𝜑 → 𝐹 finSupp 0 ) | |
| 24 | eqid 2763 | . . 3 ⊢ (1o mPoly 𝑅) = (1o mPoly 𝑅) | |
| 25 | fply1.1 | . . 3 ⊢ 0 = (0g‘𝑅) | |
| 26 | eqid 2763 | . . . 4 ⊢ (Poly1‘𝑅) = (Poly1‘𝑅) | |
| 27 | fply1.3 | . . . 4 ⊢ 𝑃 = (Base‘(Poly1‘𝑅)) | |
| 28 | 26, 27 | ply1bas 22540 | . . 3 ⊢ 𝑃 = (Base‘(1o mPoly 𝑅)) |
| 29 | 24, 16, 18, 25, 28 | mplelbas 22325 | . 2 ⊢ (𝐹 ∈ 𝑃 ↔ (𝐹 ∈ (Base‘(1o mPwSer 𝑅)) ∧ 𝐹 finSupp 0 )) |
| 30 | 22, 23, 29 | sylanbrc 595 | 1 ⊢ (𝜑 → 𝐹 ∈ 𝑃) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 = wceq 1570 ∈ wcel 2147 {crab 3416 Vcvv 3454 ∅c0 4281 {csn 4588 class class class wbr 5106 ◡ccnv 5654 “ cima 5658 ⟶wf 6551 ‘cfv 6555 (class class class)co 7440 1oc1o 8494 ↑m cmap 8872 Fincfn 8998 finSupp cfsupp 9378 ℕcn 12359 ℕ0cn0 12630 Basecbs 17413 0gc0g 17636 mPwSer cmps 22239 mPoly cmpl 22241 Poly1cpl1 22522 |
| 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 1945 ax-6 2002 ax-7 2043 ax-8 2149 ax-9 2157 ax-10 2180 ax-11 2197 ax-12 2216 ax-ext 2735 ax-rep 5235 ax-sep 5252 ax-nul 5263 ax-pow 5331 ax-pr 5395 ax-un 7772 ax-cnex 11280 ax-resscn 11281 ax-1cn 11282 ax-icn 11283 ax-addcl 11284 ax-addrcl 11285 ax-mulcl 11286 ax-mulrcl 11287 ax-mulcom 11288 ax-addass 11289 ax-mulass 11290 ax-distr 11291 ax-i2m1 11292 ax-1ne0 11293 ax-1rid 11294 ax-rnegex 11295 ax-rrecex 11296 ax-cnre 11297 ax-pre-lttri 11298 ax-pre-lttrn 11299 ax-pre-ltadd 11300 ax-pre-mulgt0 11301 |
| 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 2102 df-mo 2567 df-eu 2597 df-clab 2742 df-cleq 2755 df-clel 2839 df-nfc 2913 df-ne 2960 df-nel 3066 df-ral 3081 df-rex 3091 df-reu 3370 df-rab 3417 df-v 3456 df-sbc 3743 df-csb 3852 df-ss 3901 df-pss 4017 df-dif 4050 df-in 4094 df-un 4154 df-nul 4282 df-if 4486 df-pw 4562 df-sn 4589 df-pr 4591 df-tp 4593 df-op 4839 df-uni 4871 df-iun 4956 df-br 5107 df-opab 5171 df-mpt 5190 df-tr 5216 df-id 5550 df-eprel 5555 df-po 5563 df-so 5564 df-fr 5608 df-we 5610 df-xp 5661 df-rel 5662 df-cnv 5663 df-co 5664 df-dm 5665 df-rn 5666 df-res 5667 df-ima 5668 df-pred 6319 df-ord 6380 df-on 6381 df-lim 6382 df-suc 6383 df-iota 6509 df-fun 6557 df-fn 6558 df-f 6559 df-f1 6560 df-fo 6561 df-f1o 6562 df-fv 6563 df-riota 7397 df-ov 7443 df-oprab 7444 df-mpo 7445 df-of 7714 df-om 7899 df-1st 8022 df-2nd 8023 df-supp 8202 df-frecs 8324 df-wrecs 8355 df-recs 8404 df-rdg 8443 df-1o 8501 df-er 8742 df-map 8874 df-en 8999 df-dom 9000 df-sdom 9001 df-fin 9002 df-fsupp 9379 df-pnf 11369 df-mnf 11370 df-xr 11371 df-ltxr 11372 df-le 11373 df-sub 11567 df-neg 11568 df-nn 12360 df-2 12429 df-3 12430 df-4 12431 df-5 12432 df-6 12433 df-7 12434 df-8 12435 df-9 12436 df-n0 12631 df-z 12718 df-dec 12839 df-uz 12990 df-fz 13664 df-struct 17351 df-sets 17368 df-slot 17386 df-ndx 17398 df-base 17414 df-ress 17435 df-plusg 17467 df-mulr 17468 df-sca 17470 df-vsca 17471 df-tset 17473 df-ple 17474 df-psr 22244 df-mpl 22246 df-opsr 22248 df-psr1 22525 df-ply1 22527 |
| This theorem is used by: (None) |
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