| 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 6895 | . . . . . 6 ⊢ 𝐵 ∈ V |
| 4 | ovex 7443 | . . . . . 6 ⊢ (ℕ0 ↑m 1o) ∈ V | |
| 5 | 3, 4 | elmap 8865 | . . . . 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 8456 | . . . . . . . . 9 ⊢ 1o = {∅} | |
| 8 | snfi 9036 | . . . . . . . . 9 ⊢ {∅} ∈ Fin | |
| 9 | 7, 8 | eqeltri 2859 | . . . . . . . 8 ⊢ 1o ∈ Fin |
| 10 | 9 | a1i 11 | . . . . . . 7 ⊢ (𝑓 ∈ (ℕ0 ↑m 1o) → 1o ∈ Fin) |
| 11 | elmapi 8842 | . . . . . . 7 ⊢ (𝑓 ∈ (ℕ0 ↑m 1o) → 𝑓:1o⟶ℕ0) | |
| 12 | 10, 11 | fisuppfi 9327 | . . . . . 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 7421 | . . . 4 ⊢ (𝐵 ↑m {𝑓 ∈ (ℕ0 ↑m 1o) ∣ (◡𝑓 “ ℕ) ∈ Fin}) = (𝐵 ↑m (ℕ0 ↑m 1o)) |
| 15 | 6, 14 | eleqtrrdi 2874 | . . 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 8459 | . . . . 5 ⊢ 1o ∈ V | |
| 20 | 19 | a1i 11 | . . . 4 ⊢ (𝜑 → 1o ∈ V) |
| 21 | 16, 2, 17, 18, 20 | psrbas 22093 | . . 3 ⊢ (𝜑 → (Base‘(1o mPwSer 𝑅)) = (𝐵 ↑m {𝑓 ∈ (ℕ0 ↑m 1o) ∣ (◡𝑓 “ ℕ) ∈ Fin})) |
| 22 | 15, 21 | eleqtrrd 2866 | . 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 22364 | . . 3 ⊢ 𝑃 = (Base‘(1o mPoly 𝑅)) |
| 29 | 24, 16, 18, 25, 28 | mplelbas 22149 | . 2 ⊢ (𝐹 ∈ 𝑃 ↔ (𝐹 ∈ (Base‘(1o mPwSer 𝑅)) ∧ 𝐹 finSupp 0 )) |
| 30 | 22, 23, 29 | sylanbrc 594 | 1 ⊢ (𝜑 → 𝐹 ∈ 𝑃) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 = wceq 1570 ∈ wcel 2143 {crab 3416 Vcvv 3455 ∅c0 4286 {csn 4589 class class class wbr 5109 ◡ccnv 5660 “ cima 5664 ⟶wf 6532 ‘cfv 6536 (class class class)co 7410 1oc1o 8442 ↑m cmap 8820 Fincfn 8939 finSupp cfsupp 9317 ℕcn 12237 ℕ0cn0 12508 Basecbs 17273 0gc0g 17496 mPwSer cmps 22063 mPoly cmpl 22065 Poly1cpl1 22346 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1825 ax-4 1839 ax-5 1940 ax-6 1997 ax-7 2038 ax-8 2145 ax-9 2153 ax-10 2176 ax-11 2192 ax-12 2213 ax-ext 2735 ax-rep 5238 ax-sep 5257 ax-nul 5269 ax-pow 5336 ax-pr 5404 ax-un 7732 ax-cnex 11160 ax-resscn 11161 ax-1cn 11162 ax-icn 11163 ax-addcl 11164 ax-addrcl 11165 ax-mulcl 11166 ax-mulrcl 11167 ax-mulcom 11168 ax-addass 11169 ax-mulass 11170 ax-distr 11171 ax-i2m1 11172 ax-1ne0 11173 ax-1rid 11174 ax-rnegex 11175 ax-rrecex 11176 ax-cnre 11177 ax-pre-lttri 11178 ax-pre-lttrn 11179 ax-pre-ltadd 11180 ax-pre-mulgt0 11181 |
| This proof depends on definitions: df-bi 210 df-an 401 df-or 861 df-3or 1104 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1810 df-nf 1814 df-sb 2097 df-mo 2567 df-eu 2597 df-clab 2742 df-cleq 2755 df-clel 2838 df-nfc 2912 df-ne 2959 df-nel 3065 df-ral 3080 df-rex 3090 df-reu 3370 df-rab 3417 df-v 3457 df-sbc 3745 df-csb 3854 df-dif 3908 df-un 3910 df-in 3912 df-ss 3922 df-pss 3925 df-nul 4287 df-if 4488 df-pw 4564 df-sn 4590 df-pr 4592 df-tp 4594 df-op 4596 df-uni 4873 df-iun 4958 df-br 5110 df-opab 5174 df-mpt 5193 df-tr 5219 df-id 5556 df-eprel 5561 df-po 5569 df-so 5570 df-fr 5614 df-we 5616 df-xp 5667 df-rel 5668 df-cnv 5669 df-co 5670 df-dm 5671 df-rn 5672 df-res 5673 df-ima 5674 df-pred 6302 df-ord 6363 df-on 6364 df-lim 6365 df-suc 6366 df-iota 6492 df-fun 6538 df-fn 6539 df-f 6540 df-f1 6541 df-fo 6542 df-f1o 6543 df-fv 6544 df-riota 7367 df-ov 7413 df-oprab 7414 df-mpo 7415 df-of 7674 df-om 7859 df-1st 7982 df-2nd 7983 df-supp 8153 df-frecs 8274 df-wrecs 8305 df-recs 8354 df-rdg 8393 df-1o 8449 df-er 8690 df-map 8822 df-en 8940 df-dom 8941 df-sdom 8942 df-fin 8943 df-fsupp 9318 df-pnf 11249 df-mnf 11250 df-xr 11251 df-ltxr 11252 df-le 11253 df-sub 11447 df-neg 11448 df-nn 12238 df-2 12307 df-3 12308 df-4 12309 df-5 12310 df-6 12311 df-7 12312 df-8 12313 df-9 12314 df-n0 12509 df-z 12596 df-dec 12716 df-uz 12867 df-fz 13540 df-struct 17211 df-sets 17228 df-slot 17246 df-ndx 17258 df-base 17274 df-ress 17295 df-plusg 17327 df-mulr 17328 df-sca 17330 df-vsca 17331 df-tset 17333 df-ple 17334 df-psr 22068 df-mpl 22070 df-opsr 22072 df-psr1 22349 df-ply1 22351 |
| This theorem is used by: (None) |
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